AMS Sectional Meeting Full Program
Current as of Saturday, April 12, 2008 00:23:32
2008 Spring Central Section Meeting
Bloomington, IN, April 56, 2008 (Saturday  Sunday)
Meeting #1038
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Saturday April 5, 2008

Saturday April 5, 2008, 7:30 a.m.4:00 p.m.
Meeting Registration
East Lounge  Mezzanine Level, Indiana Memorial Union 
Saturday April 5, 2008, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Distinguished Alumni Room, Indiana Memorial Union 
Saturday April 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on Combinatorial and Geometric Aspects of Commutative Algebra, I
Room 228, Ballantine Hall
Organizers:
Juan Migliore, University of Notre Dame migliore.1@nd.edu
Uwe Nagel, University of Kentucky uwenagel@ms.uky.edu

8:00 a.m.
Determinantal Equations.
Gregory G. Smith*, Queen's University
Jessica Sidman, Mount Holyoke College
(103814294) 
8:30 a.m.
Free Resolutions of Edge Ideals Corresponding to Simple Graphs.
Rachelle R Bouchat*, University of Kentucky
(103813253) 
9:00 a.m.
Detecting properties of graphs via commutative algebra.
Christopher A. Francisco*, Oklahoma State University
Tai H. Ha, Tulane University
Adam Van Tuyl, Lakehead University
(10381390) 
9:30 a.m.
Arrangements of hyperplanes, poset resolutions of monomial ideals, and free resolutions of multigraded modules.
A. Beecher, United States Military Academy
T. Clark, University at Albany, SUNY
A. Tchernev*, University at Albany, SUNY
(103813129) 
10:00 a.m.
Some results on the $h$vectors of matroids.
Erik Stokes*, University of Kentucky
(103813250) 
10:30 a.m.
The first Picardgraded Betti numbers of some Cox rings.
Mauricio F Velasco*, UC Berkeley
(103813194)

8:00 a.m.

Saturday April 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, I
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

8:30 a.m.
The complete {\bf cd}index of a Bruhat interval.
Louis J. Billera*, Cornell University
(103805148) 
9:30 a.m.
Bruhat order structure via permutation patterns.
Bridget Eileen Tenner*, DePaul University
(10380552) 
10:00 a.m.
The numbers game and Dynkin diagram classification results.
Robert G. Donnelly*, Murray State University
(103805138) 
10:30 a.m.
Sorting orders on finite reflection groups and quotientclosed subcategories of representations of quivers.
Drew Armstrong, University of Minnesota
Hugh Thomas*, University of New Brunswick
(103805130)

8:30 a.m.

Saturday April 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Hyperbolic and Kinetic Equations, I
Room 304, Ballantine Hall
Organizers:
Shi Jin, University of Wisconsin jin@math.wisc.edu
Marshall Slemrod, University of Wisconsin slemrod@math.wisc.edu

8:30 a.m.
Nonlinear waves with constant frequency and surface waves on vortex patches.
Joseph Biello, University of California at Davis
John K Hunter*, University of California at Davis
(103835338) 
9:00 a.m.
Stability of traveling waves in quasilinear hyperbolic systems with relaxation and diffusion.
Tong Li*, University of Iowa
(103835334) 
9:30 a.m.
On the Linearized BalescuLenard Equation.
Robert M Strain*, Harvard University
(103835330) 
10:00 a.m.
NonOscillatory Central Schemes for a Traffic Flow Model with Arrhenius LookAhead Dynamics.
Alexander Kurganov*, Tulane University, Mathematics Department
Anthony Polizzi, University of Michigan
(103865309) 
10:30 a.m.
Regular reflection below the sonic angle.
Volker W Elling*, University of Michigan
(103876305)

8:30 a.m.

Saturday April 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Algebraic Aspects of Coding Theory, I
Room 247, Ballantine Hall
Organizers:
Heide GluesingLuerssen, University of Kentucky heidegl@ms.uky.edu
Roxana Smarandache, San Diego State University rsmarand@sciences.sdsu.edu

8:30 a.m.
Sequential Codes.
Sergio R L\'opezPermouth*, Ohio University
Benigno R ParraAvila, Ohio University
(103894323) 
9:00 a.m.
Dual Codes over Finite RingsCautions and Compromises.
Jay A. Wood*, Western Michigan University
(10389459) 
9:30 a.m.
An exact bound on dimension of binary divisible codes.
Xiaoyu Liu*, Wright State University
(103805246) 
10:00 a.m.
Constacyclic Codes Of Length $p^s$ Over $\mathbb F_{p^m} + u\mathbb F_{p^m}$.
Hai Q. Dinh*, Department of Mathematical Sciences, Kent State University, 4314 Mahoning Avenue, Warren, OH 44483, USA
(103894285) 
10:30 a.m.
Convolutional Codes with Additional Structure.
Steve Szabo*, Ohio University
Sergio R. L\'opezPermouth, Ohio University
(103816273)

8:30 a.m.

Saturday April 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Finite Element Methods and Applications, I
Room 305, Ballantine Hall
Organizers:
Nicolae Tarfulea, Purdue University Calumet Tarfulea@calumet.purdue.edu
Sheng Zhang, Wayne State University sheng@math.wayne.edu

8:30 a.m.
Saddle Point System Discretization Without the Discrete LBB Condition.
Constantin Bacuta*, University of Delaware
(10386575) 
9:00 a.m.
Adaptive stabilization of discontinuous Galerkin methods for nonlinear elasticity.
Fatih Celiker*, Wayne State University
Alexander Ten Eyck, Stanford University
Adrian Lew, Stanford University
(10386578) 
9:30 a.m.
Hybridization of Finite Element Methods for the Helmholtz Equation.
Peter B Monk*, University of Delaware
(103865220) 
10:00 a.m.
Quasioptimal meshes for transmission problems in the plane.
Victor Nistor*, Pennsylvania State University
Hengguang Li Li, Pennsylvania State University
Anna Mazzucato, Pennsylvania State University
(103865216) 
10:30 a.m.
Flux Recovery and Accurate A Posteriori Error Estimation for Elliptic Equations.
Z. Cai*, Purdue University
(10386534)

8:30 a.m.

Saturday April 5, 2008, 9:00 a.m.10:45 a.m.
Special Session on Probability and Spatial Systems, I
Room 319, Ballantine Hall
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Alexander Holroyd, University of British Columbia holroyd@math.ubc.ca

9:00 a.m.
Diffusion at RMT's hard edge.
Brian Rider*, CU Boulder
Jose Ramirez, Universidad de Costa Rica
(103860198) 
9:30 a.m.
Matchings of exponential tail on coin flips in $Z^d$.
Adam Timar*, The University of British Columbia
(103860304) 
10:00 a.m.
Internal aggregation with multiple sources.
Lionel Levine, University of California, Berkeley
Yuval Peres*, Microsoft Research
(103860245)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Discrete Structures in Conformal Dynamics and Geometry, I
Room 005, Ballantine Hall
Organizers:
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu
William J. Floyd, Virginia Polytech Institute & State University floyd@math.vt.edu

9:00 a.m.
Postcriticallyfinite maps on the sphere.
Mario Bonk*, University of Michigan
(103830209) 
10:00 a.m.
From Starburst to Barycenter: the combinatorial structure of two rational maps.
James W. Cannon*, Brigham Young University
William J. Floyd, Virginia Tech
Walter R. Parry, Eastern Michigan University
(103837255) 
10:30 a.m.
Latt\`{e}s Maps and Finite Subdivision Rules.
Walter Parry*, Eastern Michigan University
(103837290)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:55 a.m.
Special Session on Operator Algebras and Applications, I
Room 317, Ballantine Hall
Organizers:
Hari Bercovici, Indiana University bercovic@indiana.edu
Marius Dadarlat, Purdue University mdd@math.purdue.edu
Mihai Popa, Indiana University mipopa@indiana.edu

9:00 a.m.
Connes' embedding problem and Horn's inequalities.
Benoit Collins, University of Ottawa and CNRS, France
Kenneth J Dykema*, Texas A&M University
(10384698) 
9:30 a.m.
Nonstable KTheory and Extramally Rich C*algebras.
Lawrence G. Brown*, Purdue University
Gert K. Pedersen, deceased
(103846121) 
10:00 a.m.
Nonembedding of the JiangSu algebra.
Andrew S Toms*, York University
Marius Dadarlat, Purdue University
Ilan Hirshberg, Ben Gurion University
Wilhelm Winter, University of Nottingham
(103847123) 
10:30 a.m.
Essential representations of product systems.
Remus Floricel*, University of Regina
(103846238)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Dmodules, I
Room 219, Ballantine Hall
Organizers:
Mathias Schulze, Oklahoma State University mschulze@math.okstate.edu
Hans Ulrich Walther, Purdue University walther@math.purdue.edu

9:00 a.m.
Hodge numbers and exponential sums on ${\mathbb P}^n$.
Alan Adolphson*, Oklahoma State University
Steven Sperber, University of Minnesota
(103814240) 
9:30 a.m.
padic analytic formulas for unitroots of Lfunctions for exponential sums.
Steven Sperber*, School of Mathematics, University of Minnesota
(103814170) 
10:00 a.m.
On 'maximal' poles of zeta functions, roots of BersteinSato polynomials and monodromy Jordan blocks.
Willem Veys*, K.U.Leuven
(10381441) 
10:30 a.m.
A Ramified Langlands Duality in Characteristic $p$.
Thomas Nevins*, University of Illinois at UrbanaChampaign
(10381405)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Recent Advances in Classical and Geophysical Fluid Dynamics, I
Room 103, Ballantine Hall
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

9:00 a.m.
On the partial regularity for solutions of the NavierStokes system.
Igor Kukavica*, University of Southern California
(103835328) 
9:30 a.m.
On the dyadic model of the NavierStokes equations.
Alexey Cheskidov*, University of Chicago
(103835336) 
10:00 a.m.
On the blowup problem and a priori estimates for the 3D Euler equations.
Dongho Chae*, Sungkyunkwan University
(103876156) 
10:30 a.m.
A posteriori error analysis of cellcentered finite volume method for convection diffusion problems with interface.
Du X Pham*, Colorado State University
(103865349)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:45 a.m.
Special Session on Applications of Ring Spectra, I
Room 209, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois at UrbanaChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

9:00 a.m.
What are E infinity ring spaces and E infinity ring spectra?
J. P. May*, University of Chicago
(103855186) 
10:00 a.m.
LubinTate space and Morava Etheory.
Paul G Goerss*, Northwestern University
(103855261)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Graph Theory, I
Room 246, Ballantine Hall
Organizers:
Jozsef Balogh, University of Illinois at UrbanaChampaign jobal@math.uiuc.edu
Hemanshu Kaul, Illinois Institute of Technology kaul@math.iit.edu
Tao Jiang, Miami University jiangt@muohio.edu

9:00 a.m.
Explicit construction of small Folkman graphs.
Linyuan Lu*, University of South Carolina
(103805169) 
9:30 a.m.
Variance of the subgraph count for sparse Erd\H{o}sR\'enyi graphs.
Robert B Ellis*, Illinois Institute of Technology
James P Ferry, Metron, Inc.
(103805157) 
10:00 a.m.
The Minimal Size of Restricted Difference Bases.
Jozsef Balogh, Department of Mathematics, University of Illinois
Wojciech Samotij, Department of Mathematics, University of Illinois
Sujith Vijay*, Department of Mathematics, University of Illinois
(103805213) 
10:30 a.m.
The number of induced subgraphs with distinct size or order.
Noga Alon, Tel Aviv Univesity, Israel
Jozsef Balogh, University of Illinois at UrbanaChampaign
Alexandr V. Kostochka, University of Illinois at UrbanaChampaign
Wojciech Samotij*, University of Illinois at UrbanaChampaign
(10380573)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:55 a.m.
Special Session on Mathematical Modeling of Cell Motility: From Molecular Events to Mechanical Movement, I
Room 149, Ballantine Hall
Organizers:
Anastasios Matzavinos, Ohio State University tasos@math.ohiostate.edu
Nicoleta Eugenia Tarfulea, Purdue University Calumet ntarfule@calumet.purdue.edu

9:00 a.m.
Instability Mechanisms and Wavelength Selection during Vasculogenesis and Angiogenesis.
James A. Glazier*, Indiana University, Department of Physics and Biocomplexity Institute
Abbas Shirinifard, Indiana University, Department of Physics and Biocomplexity Institute
(103892127) 
10:00 a.m.
A model of fibroblast motility on substrates with different rigidities.
Maria E Gracheva*, University of Illinois at UrbanaChampaign
(103892168) 
10:30 a.m.
A simple model for the mechanical behaviour of thin layers of collagen gel.
J. E. F. Green*, Mathematical Biosciences Institute, The Ohio State University
A. Friedman, Mathematical Biosciences Institute, The Ohio State University
(103876214)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Minimal and CMC Surfaces, I
Oak Room, Indiana Memorial Union
Organizers:
Bruce Michael Solomon, Indiana University solomon@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu
Adam Weyhaupt, Southern Illinois University aweyhau@siue.edu

9:00 a.m.
Perturbed GenusOne Scherk Surfaces.
Casey Douglas*, Rice University
(10385361) 
9:30 a.m.
Conelike soap films spanning tetrahedra.
Robert Huff*, Indiana University South Bend
(103851106) 
10:00 a.m.
Limits of Minimal Surfaces with Increasing Genus.
Soomin Kim*, Purdue University
(103849146) 
10:30 a.m.
Rigidity and deformations of constant mean curvature surfaces.
Jesse Ratzkin*, University of Georgia
Karsten GrosseBrauckmann, Technische Universitat Darmstadt
Nick Korevaar, University of Utah
Rob Kusner, University of Massachusetts
John Sullivan, Technische Univeristat Berlin
(10385333)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:45 a.m.
Special Session on Algebraic Ktheory and Nil groups in Algebra and Topology, I
Room 204, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Christian Haesemeyer, University of Illinois at Chicago chh@math.uic.edu

9:00 a.m.
Formulas for $NK_*(R)$ for $\Bbb Q$algebras.
Charles A Weibel*, Rutgers University
Guillermo Cortinas, Universities of Buenos Aires and of Valladolid
Christian Haesemeyer, University of Illinois at Chicago
Mark E Walker, University of Nebraska
(103819232) 
10:00 a.m.
On a question of Bass.
G Cortinas, Universities of Buenos Aires and of Valladolid
C Haesemeyer, University of IllinoisChicago
Mark Walker*, University of NebraskaLincoln
C Weibel, Rutgers University
(103819258)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:55 a.m.
Special Session on Harmonic Analysis Methods in Mathematical Fluid Dynamics, I
Room 144, Ballantine Hall
Organizers:
Zoran Grujic, University of Virginia zg7c@virginia.edu
Irina Mitrea, University of Virginia im3p@virginia.edu

9:00 a.m.
Energy of singular solutions to the Euler equations.
Roman Shvydkoy*, University of Illinois at Chicago
(10387621) 
9:30 a.m.
An Estimate on the Number of Rapid Oscillations of an Undular Bore.
Zoran Grujic, University of Virginia
Henrik Kalisch*, University of Bergen
(103835206) 
10:00 a.m.
Wellposedness and Optimal Control of System of Fluid Structure Interaction.
Amjad Tuffaha*, University of Southern California
Viorel Barbu, Romanian Academy
Zoran Grujic, University of Virginia
Irena Lasiecka, University of Virginia
(103835348) 
10:30 a.m.
On the regularity of weak solutions to the 3D NavierStokes equations in critical spaces.
Alexey Cheskidov*, University of Chicago
(103835333)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Financial Mathematics, I
Room 345, Ballantine Hall
Organizers:
Victor Goodman, Indiana University goodmanv@indiana.edu
Kiseop Lee, University of Louisville kiseop.lee@louisville.edu

9:00 a.m.
A Multistart Approach for Parameter Optimization of Asset Flow Differential Equations.
Ahmet Duran*, Department of Mathematics, University of MichiganAnn Arbor
Gunduz Caginalp, Department of Mathematics, University of Pittsburgh
(103891247) 
9:30 a.m.
Existence criteria for solutions of linear stochastic differential equations with skewsymmetric differential operator and additive fractional Brownian noise.
Boris P Belinskiy, University of Tennessee at Chattanooga
Peter Caithamer*, Indiana University Northwest
(10386092) 
10:00 a.m.
Large Deviations in Multifactor Portfolio Credit Risk.
Wanmo Kang*, Korea Advanced Institute of Science and Technology
Paul Glasserman, Columbia University
Perwez Shahabuddin, Columbia University
(103860234) 
10:30 a.m.
A BottomUp Intensity Based Jump Model for Pricing CDOs.
Jesus F Rodriguez*, Rutgers University
(103860326)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:45 a.m.
Special Session on Birational Algebraic Geometry, I
Room 215, Ballantine Hall
Organizers:
Mircea I. Mustata, University of Michigan mmustata@umich.edu
Mihnea Popa, University of Illinois at Chicago mpopa@math.uic.edu

9:00 a.m.
Upper and lower bounds for nef cones.
Angela C Gibney*, The University of Pennsylvania
Diane Maclagan, University of Warwick
(103814142) 
10:00 a.m.
Extension theorems.
Lawrence Man Hou Ein*, University of Illinois at Chicago
Mihnea Popa, University Of Illinois at Chicago
(10381479)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Weak Dependence in Probability and Statistics, I
Room 344, Ballantine Hall
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lahn T. Tran, Indiana University tran@indiana.edu

9:00 a.m.
A strictly stationary, ``causal,'' 5tuplewise independent counterexample to the central limit theorem.
Richard C. Bradley*, Indiana University
(10386039) 
9:30 a.m.
Rates of convergence for minimal distances in the CLT under projective criteria.
Florence Merlevede*, University Paris VI. LPMA
(10386050) 
10:00 a.m.
Moment and maximal inequalities for some classes of dependent variables.
Magda Peligrad*, University of Cincinnati
Sergey Utev, University of Nottingham
(103860162) 
10:30 a.m.
qWishart matrices.
Wlodek Bryc*, University of Cincinnati
(10386069)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:20 a.m.
Special Session on Some Mathematical Problems in Biology, from Macromolecules to Ecosystems, I
Room 148, Ballantine Hall
Organizers:
Santiago David Schnell, Indiana University schnell@indiana.edu
Roger Temam, Indiana University temam@indiana.edu

9:00 a.m.
Mathematical and computational methods for understanding the dynamics of biochemical networks.
Gheorghe Craciun*, University of WisconsinMadison
(10389284) 
9:30 a.m.
Modeling Mammalian Circadian Rhythms.
Daniel B Forger*, Department of Mathematics, University of Michigan
(103892149) 
10:00 a.m.
A neurobiological model of the human sleep/wake cycle.
Michael Rempe, MBI; Ohio State University
Janet Best, Ohio State University
David Terman*, Ohio State University
(10389257)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Geometry and Dynamics, I
Room 006, Ballantine Hall
Organizers:
Chris Connell, Indiana University connell@indiana.edu
David M. Fisher, Indiana University fisherdm@indiana.edu
Marlies Gerber, Indiana University gerber@indiana.edu

9:00 a.m.
Insecurity and the growth of the number of geodesics between two points.
Keith Burns*, Department of Mathematics, Northwestern University
Eugene Gutkin, Uniwersytet Mikolaja Kopernika w Toruniu
(103853301) 
9:30 a.m.
The Three Gap Theorem in Riemannian Geometry.
Benjamin Schmidt*, University of Chicago
Ian Biringer, University of Chicago
(103853153) 
10:00 a.m.
A new isomorphism invariant for free group actions.
Lewis Phylip Bowen*, University of Hawaii
(103837256) 
10:30 a.m.
Anosov rigidity  Nonuniform hyperbolicity everywhere implies uniform hyperbolicity.
Yakov Pesin*, Penn State University
(103837314)

9:00 a.m.

Saturday April 5, 2008, 9:00 a.m.10:55 a.m.
Special Session on Harmonic Analysis and Related Topics, I
Room 146, Ballantine Hall
Organizers:
Ciprian Demeter, Institute for Advance Study demeter@math.ias.edu
Nets Katz, Indiana University nhkatz@indiana.edu

9:00 a.m.
On Additive Doubling and Energy.
Paul H. Koester*, Indiana University
Nets Hawk Katz, Indiana University
(103805299) 
9:30 a.m.
Recent progress on multilinear commutators.
Rodolfo H. Torres*, University of Kansas
(103842295) 
10:00 a.m.
Quasilinear dynamics in nonlinear Schrodinger equation with periodic boundary conditions.
M Burak Erdogan*, University of Illinois at Urbana Champaign
Vadim Zharnitsky, University of Illinois at Urbana Champaign
(103835165) 
10:30 a.m.
Discrepancy, small ball probabilities and entropy estimates.
Dmitriy Bilyk*, Georgia Institute of Technology
Michael Lacey, Georgia Institute of Technology
Armen Vagharshakyan, Georgia Institute of Technology
(103846283)

9:00 a.m.

Saturday April 5, 2008, 11:10 a.m.12:00 p.m.
Invited Address
Solving equations in finite groups.
Room 122, Chemistry Building
Michael J. Larsen*, Indiana University
(10382002) 
Saturday April 5, 2008, 1:30 p.m.2:20 p.m.
Invited Address
Invariants of singularities in algebraic geometry.
Room 122, Chemistry Building
Mircea Mustata*, University of Michigan
(10381403) 
Saturday April 5, 2008, 2:30 p.m.5:20 p.m.
Special Session on Probability and Spatial Systems, II
Room 319, Ballantine Hall
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Alexander Holroyd, University of British Columbia holroyd@math.ubc.ca

2:30 p.m.
Critical percolation on finite graphs.
Asaf Nachmias*, U.C. Berkeley
(103860193) 
3:00 p.m.
Random matrices: The Circular Law.
Van H. Vu*, Department of Mathematics, Rutgers
(103860200) 
4:00 p.m.
The TASEP speed process.
Omer Angel*, University of Toronto
Gideon Amir, Univ. of Toronto
Benedek Valko, Univ. of Toronto
(103860204) 
5:00 p.m.
Discussion

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Discrete Structures in Conformal Dynamics and Geometry, II
Room 005, Ballantine Hall
Organizers:
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu
William J. Floyd, Virginia Polytech Institute & State University floyd@math.vt.edu

2:30 p.m.
Discussion 
3:00 p.m.
Hyperbolic pseudogroups.
Volodymyr Nekrashevych*, Texas A&M University
(103837318) 
4:00 p.m.
Quasisymmetric rigidity properties of relative Schottky sets.
Sergiy Merenkov*, University of Illinois at UrbanaChampaign
(103830210) 
4:30 p.m.
Invariant Peano curves of expanding Thurston maps.
Daniel Meyer*, University of Michigan
(103837289) 
5:00 p.m.
Thermodynamic formalism for Siegel disks.
Lukas Geyer*, Montana State University
(103837331) 
5:30 p.m.
Discussion

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.4:55 p.m.
Special Session on Operator Algebras and Applications, II
Room 317, Ballantine Hall
Organizers:
Hari Bercovici, Indiana University bercovic@indiana.edu
Marius Dadarlat, Purdue University mdd@math.purdue.edu
Mihai Popa, Indiana University mipopa@indiana.edu

2:30 p.m.
Some probabilistic and topological properties of the free quantum orthogonal group $A_o(n)$.
Benoit V P Collins*, University of Ottawa and CNRS
(103846105) 
3:00 p.m.
Application of multilinear function series in noncommutative probability with amalgamation.
Mihai Popa*, Indiana University at Bloomington
(103847154) 
3:30 p.m.
Noncommutative independence from the braid group $\mathbb{B}_\infty$.
Claus M Koestler*, University of Illinois at UrbanaChampaign
(103846286) 
4:00 p.m.
Conditionally free convolutions of probability measures with unbounded support.
Serban T. Belinschi*, University of Saskatchewan
(103846131) 
4:30 p.m.
Some applications of free stochastic calculus: absence of Cartan subalgebras in qdeformed free group factors.
Dimitri Shlyakhtenko*, UCLA Department of Mathematics
(103846118)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:45 p.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, II
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

2:30 p.m.
Smooth and palindromic Schubert varieties in affine Grassmannians.
Stephen A. Mitchell*, University of Washington (Seattle)
Sara C. Billey, University of Washington (Seattle)
(10380520) 
3:30 p.m.
Schubert Polynomials for the affine Grassmannian of the symplectic group.
Thomas Lam, Harvard
Anne Schilling*, UC Davis
Mark Shimozono, Virginia Tech
(10380523) 
4:00 p.m.
Geometric representations through Springer fibers and related varieties.
Julianna Tymoczko*, University of Iowa
(103814346) 
4:30 p.m.
Singular sensations in the KGB picture.
William M. McGovern*, University of Washington
(10382212) 
5:00 p.m.
Cluster algebras associated with bordered surfaces.
Sergey Fomin*, University of Michigan
Michael Z. Shapiro, Michigan State University
Dylan P. Thurston, Barnard College, Columbia University
(103805176)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Recent Advances in Classical and Geophysical Fluid Dynamics, II
Room 103, Ballantine Hall
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

2:30 p.m.
Energy balance for the fluid equations.
Susan Friedlander*, UIC and USC
(103835145) 
3:00 p.m.
Controlling the morphology of viscous fingering patterns: A surprising discovery.
John S Lowengrub*, University of California, Irvine
(103876278) 
3:30 p.m.
A stability and bifurcation analysis of the doublydiffusive convection.
Jerry L. Bona, Department of Mathematics, Statistics and Computer Science, The University of Illinois at Chicago
ChunHsiung Hsia*, Department of Mathematics, Statistics and Computer Science, The University of Illinois at Chicago
Tian Ma, Department of Mathematics, Sichuan University
Shouhong Wang, Department of Mathematics, Indiana University
(103835270) 
4:00 p.m.
Break 
4:30 p.m.
Modeling and simulation of multiphase incompressible flows using an energetic variational phase field model.
Jie Shen*, Purdue University
(103865174) 
5:00 p.m.
Vorticity concentration for 2D circularly symmetric flows in the presence of moving boundaries.
M. C. Lopes, UniCamp, Brazil
A. L. Mazzucato*, Penn State University
H. J. NussenzveigLopes, UniCamp, Brazil
M. E. Taylor, UNCChapel Hill
(103876310) 
5:30 p.m.
Attractors for nonautonomous 2D NavierStokes equations with normal external forces.
Chengkui Zhong*, Lanzhou University
(103835345)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:45 p.m.
Special Session on Applications of Ring Spectra, II
Room 209, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois at UrbanaChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

2:30 p.m.
Representing objects in algebraic $K$theory.
Anthony D Elmendorf*, Purdue University Calumet
(10385566) 
3:30 p.m.
Equivariant homotopy and algebraic $K$theory.
Teena M Gerhardt*, Indiana University
(103855217) 
4:30 p.m.
A Parameterized Atheory of Space and Lefschetz Trace.
Yuichi Iwashita*, University of Illinois at Springfield
(10385555) 
5:00 p.m.
Equivariant Intersection Theory.
Bruce Williams*, University of Notre Dame
John Klein, Wayne State University
(103857325)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Graph Theory, II
Room 246, Ballantine Hall
Organizers:
Jozsef Balogh, University of Illinois at UrbanaChampaign jobal@math.uiuc.edu
Hemanshu Kaul, Illinois Institute of Technology kaul@math.iit.edu
Tao Jiang, Miami University jiangt@muohio.edu

2:30 p.m.
A fast algorithm for equitable coloring.
H. A. Kierstead, Arizona State University
A. V Kostochka*, University of Illinois at UrbanaChampaign
(10380577) 
3:00 p.m.
Generalized regularity lemma for graphs.
Bela Csaba*, Department of Mathematics, Western Kentucky University
(103805152) 
3:30 p.m.
Complete Hdecompositions.
Zoltan Furedi*, University of Illinois at UrbanaChampaign
(103805158) 
4:00 p.m.
Online Ramsey theory in boundeddegree graphs.
Jane Butterfield, University of Illinois at UrbanaChampaign
Tracy Grauman, University of Illinois at UrbanaChampaign
Bill Kinnersley, University of Illinois at UrbanaChampaign
Kevin Milans*, University of Illinois at UrbanaChampaign
Christopher Stocker, University of Illinois at UrbanaChampaign
Douglas B. West, University of Illinois at UrbanaChampaign
(103805275) 
4:30 p.m.
The edit distance function.
J\'ozsef Balogh, University of Illinois at UrbanaChampaign
Ryan Martin*, Iowa State University
(103805119) 
5:00 p.m.
NordhausGaddum Bounds for $k$Domination in Graphs.
Noah Prince*, University of Illinois at UrbanaChampaign
(103805189) 
5:30 p.m.
Cycles in edgecolored graphs.
Tao Jiang*, Miami University
(103805192)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Minimal and CMC Surfaces, II
Oak Room, Indiana Memorial Union
Organizers:
Bruce Michael Solomon, Indiana University solomon@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu
Adam Weyhaupt, Southern Illinois University aweyhau@siue.edu

2:30 p.m.
Discussions

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:15 p.m.
Special Session on Algebraic Ktheory and Nil groups in Algebra and Topology, II
Room 204, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Christian Haesemeyer, University of Illinois at Chicago chh@math.uic.edu

2:30 p.m.
Nilgroups, convex geometry, and discrete geometry.
Joseph Gubeladze*, San Francisco State University
(103819112) 
3:30 p.m.
Algebraic Ktheory over the infinite dihedral group.
James F Davis, Department of Mathematics, Indiana University
Qayum Khan*, Department of Mathematics, Vanderbilt University
Andrew Ranicki, School of Mathematics, University of Edinburgh
(103819248) 
4:30 p.m.
Splitting formulas for certain Waldhausen Nilgroups.
Ivonne J. Ortiz*, Miami University
JeanFrancois Lafont, Ohio State University
(103819296)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.4:25 p.m.
Special Session on Harmonic Analysis Methods in Mathematical Fluid Dynamics, II
Room 144, Ballantine Hall
Organizers:
Zoran Grujic, University of Virginia zg7c@virginia.edu
Irina Mitrea, University of Virginia im3p@virginia.edu

2:30 p.m.
Vanishing viscosity limits of solutions to NavierStokes equations.
Michael E. Taylor*, Mathematics Dept., University of North Carolina
(10383564) 
3:00 p.m.
Vanishing viscosity limit for flow in a channel and related singular perturbation problems.
Anna L Mazzucato*, Department of Mathematics, Penn State University
Michael E Taylor, Department of Mathematics, UNCChapel Hill
(103835141) 
3:30 p.m.
Transmission Problems for Higher Order Operators.
Matthew Wright*, University of Missouri
Marius Mitrea, University of Missouri
(103835150) 
4:00 p.m.
A regularity criterion for the dissipative quasigeostrophic equations.
Hongjie Dong, Brown University
Natasa Pavlovic*, University of Texas at Austin
(103835126)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Financial Mathematics, II
Room 345, Ballantine Hall
Organizers:
Victor Goodman, Indiana University goodmanv@indiana.edu
Kiseop Lee, University of Louisville kiseop.lee@louisville.edu

2:30 p.m.
Foreign exchange rates and foreign exchange derivatives: an optimal portfolio based theory.
Srdjan Stojanovic*, University of Cincinnati
(103860115) 
3:00 p.m.
Trading the line strategy using fractional Brownian motion.
Oana Mocioalca*, Department of Mathematical Sciences, Kent State University
Vilen Abramov, Cleveland, Ohio
Kazim Khan, Department of Mathematical Sciences, Kent State University
(103860229) 
3:30 p.m.
Statedependent utility maximization in markets driven by additive Levy processes.
Jose E. FigueroaLopez*, Purdue University
(103860211) 
4:00 p.m.
Portfolio optimization under stochastic volatility and discrete observations.
Andrew B Vizcarra*, Purdue University
(103860183) 
4:30 p.m.
Disequilibrium asset price dynamics with heterogeneous agents.
Alec N Kercheval*, Florida State University
Paul Beaumont, Florida State University
Andrew Culham, FPL Energy, Juno Beach, FL
(103891117) 
5:00 p.m.
Pricing Caps When Bond Prices Follow Jumpdiffusion Processes and Have Log Price Volatility.
Siyu Zhang*, Indiana University Bloomington
(103860266) 
5:30 p.m.
Tradeable Measures of Risk.
Libor Pospisil, Columbia University
Jan Vecer, Columbia University
Mingxin Xu*, University of North Carolina at Charlotte
(10386046)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Hyperbolic and Kinetic Equations, II
Room 304, Ballantine Hall
Organizers:
Shi Jin, University of Wisconsin jin@math.wisc.edu
Marshall Slemrod, University of Wisconsin slemrod@math.wisc.edu

2:30 p.m.
Instantaneous boundarytangency of singularity curves in compressible fluid flow.
David Hoff*, Indiana University
Mikhail Perepelitsa, Vanderbilt University
(103835292) 
3:00 p.m.
Critical thresholds in EulerPoisson equations with pressure.
Dongming Wei*, University of Maryland, College Park, Center for Scientific Computation and Mathematical Modeling (CSCAMM)
Eitan Tadmor, University of Maryland, College Park, Center for Scientific Computation and Mathematical Modeling (CSCAMM)
(103835222) 
3:30 p.m.
Shock Reflection, Transonic Flow, and Free Boundary Problems (Part II).
GuiQiang Chen, Northwestern University
Mikhail Feldman*, University of WisconsinMadison
(103835201) 
4:00 p.m.
Shock Reflection, Transonic Flow, and Free Boundary Problems (Part I).
GuiQiang G. Chen*, Northwestern University
Mikhail Feldman, University of WisconsinMadison
(103835175) 
4:30 p.m.
From the dynamics of gaseous stars to the incompressible Euler equations.
Donatella Donatelli, University of L'Aquila
Konstantina Trivisa*, University of Maryland
(10383596) 
5:00 p.m.
Time Decay for a OneDimensional, TwoComponent Plasma.
Robert Glassey, Indiana University
Jack Schaeffer, Carnegie Mellon University
Stephen Pankavich*, Indiana University
(10383572) 
5:30 p.m.
The InitialBoundary Riemann Problem for Hyperbolic Conservation Laws and the TimeDependent Vanishing Viscosity Method.
Cleopatra Christoforou*, University of Houston
Laura Spinolo, Northwestern University
(10383551)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Algebraic Aspects of Coding Theory, II
Room 247, Ballantine Hall
Organizers:
Heide GluesingLuerssen, University of Kentucky heidegl@ms.uky.edu
Roxana Smarandache, San Diego State University rsmarand@sciences.sdsu.edu

2:30 p.m.
Recent Results on Asymptotically Good Code Ensembles.
Daniel J. Costello*, University of Notre Dame
(103894300) 
3:30 p.m.
List Decoding of Burst Errors.
Ron M. Roth, Computer Science Department, Technion  Israel Institute of Technology, Israel
Pascal O. Vontobel*, HewlettPackard Laboratories, Palo Alto, CA
(10389432) 
4:00 p.m.
Spherical codes for sparse digital fingerprinting.
Dai Wei, University of Illinois, UrbanaChampaign
Negar Kiyavash, University of Illinois, UrbanaChampaign
Olgica Milenkovic*, University of Illinois, UrbanaChampaign
(103805188) 
4:30 p.m.
Pseudocodeword weights and the paritycheck matrix redundancy of linear codes.
Christine A. Kelley*, University of NebraskaLincoln
Deepak Sridhara, Seagate Technology
(103894288) 
5:00 p.m.
Pseudocodewords of LDPC codes from voltage graphs.
Deanna T. Dreher*, University of Nebraska, Lincoln
(103894260) 
5:30 p.m.
Convergences of the SumProduct Algorithm on Some Small MultiEdged Graphs.
Shayne Michael Vargo*, San Diego State University
(103894203)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.4:50 p.m.
Special Session on Some Mathematical Problems in Biology, from Macromolecules to Ecosystems, II
Room 148, Ballantine Hall
Organizers:
Santiago David Schnell, Indiana University schnell@indiana.edu
Roger Temam, Indiana University temam@indiana.edu

2:30 p.m.
Synchronization in Basal Ganglia Networks.
Leonid L Rubchinsky*, Dept of Math Sciences and Center for Math Biosci, IUPUI; Stark Neuroscience Res Inst, Indiana Univ School of Medicine
Choongseok Park, Departmen of Mathematical Sciences and Center for Mathematical Biosciences, IUPUI
Robert M Worth, Dept of Neurosurgery, Indiana Univ School of Medicine; Dept of Math Sciences and Center for Math Biosciences, IUPUI
(103892139) 
3:00 p.m.
Bifurcation theory for a model of the oculomotor neural integrator.
Andrea K Barreiro*, University of Illinois at UrbanaChampaign, Mathematics
Jared C Bronski, University of Illinois at UrbanaChampaign, Mathematics
Thomas J Anastasio, University of Illinois at UrbanaChampaign, Molecular and Integrative Physiology
(10389227) 
3:30 p.m.
Break 
4:00 p.m.
Impact of fluid flow on modeling bacterial biofilms.
David Chopp*, Northwestern University
(10389282) 
4:30 p.m.
A multiscale model of blood clot development.
Mark Alber*, Department of Mathematics, University of Notre Dame
(10389217)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:20 p.m.
Special Session on Geometry and Dynamics, II
Room 006, Ballantine Hall
Organizers:
Chris Connell, Indiana University connell@indiana.edu
David M. Fisher, Indiana University fisherdm@indiana.edu
Marlies Gerber, Indiana University gerber@indiana.edu

2:30 p.m.
Amenable groups that act on the line.
Dave Witte Morris*, University of Lethbridge, Canada
(10383781) 
3:00 p.m.
Totally geodesic submanifolds in locally symmetric spaces of noncompact type.
JeanFrancois Lafont*, Ohio State University
Benjamin Schmidt, University of Chicago
(103853302) 
3:30 p.m.
Ergodic Frame Flow and Rank Rigidity.
David Constantine*, University of Michigan
(103853315) 
4:00 p.m.
Irreducibility of boundary representation of hyperbolic group.
Roman Muchnik*, Lehman College
(103837341) 
4:30 p.m.
Real SaddleNode Bifurcation from the Complex Viewpoint.
Michal Misiurewicz, Indiana University Purdue University at Indianapolis
Rodrigo A Perez*, Indiana University Purdue University at Indianapolis
(103837308) 
5:00 p.m.
Metrics and rigidity questions for hyperbolic groups.
Igor Mineyev*, University of Illinois at UrbanaChampaign
(103820268)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:55 p.m.
Special Session on Harmonic Analysis and Related Topics, II
Room 146, Ballantine Hall
Organizers:
Ciprian Demeter, Institute for Advance Study demeter@math.ias.edu
Nets Katz, Indiana University nhkatz@indiana.edu

2:30 p.m.
The Bilinear Hilbert Transform in 2D.
Ciprian Demeter, IU Bloomington
Christoph Thiele*, UCLA
(103842277) 
3:00 p.m.
Rooted trees, AKNS systems and Fourier analysis.
Camil Muscalu*, Cornell University
Terence Tao, UCLA
Christoph Thiele, UCLA
(103842265) 
3:30 p.m.
Multiparameter Riesz Commutators.
Brett D. Wick*, University of South Carolina
Michael Lacey, Georgia Institute of Technology
Stefanie Petermichl, Institut de Math\'ematiques de Bordeaux
Jill Pipher, Brown University
(103842239) 
4:00 p.m.
On the Sum Product estimates and 2variables expanders.
Nets Katz, Department of Mathematics, Indiana University Bloomington
ChunYen Shen*, Department of Mathematics, Indiana University Bloomington
(10380548) 
4:30 p.m.
Sharp nonremovability examples for BMO and H\"{o}lder quasiregular mappings.
Kari Astala, University of Helsinki
Albert Clop, University of Helsinki  University of Jyvaskyla  Universitat Autonoma de Barcelona
Joan Mateu, Universitat Autonoma de Barcelona
Joan Orobitg, Universitat Autonoma de Barcelona
Ignacio UriarteTuero*, University of Missouri  Columbia & Fields Institute
(103830101) 
5:00 p.m.
Spaces between $H^{1}$ and $L^{1}$.
Alberto Torchinsky*, Indiana University
(103842171) 
5:30 p.m.
``Around a problem of E. Sawyer for the Hilbert transform and weights".
Carlos Perez*, Universidad de Sevilla and University of Kansas
Sheldy Ombrosi, Universidad Nacional del Sur, Bahia Blanca
(103842236)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:50 p.m.
Special Session on Finite Element Methods and Applications, II
Room 305, Ballantine Hall
Organizers:
Nicolae Tarfulea, Purdue University Calumet Tarfulea@calumet.purdue.edu
Sheng Zhang, Wayne State University sheng@math.wayne.edu

2:30 p.m.
New and Old Rectangular Mixed Finite Elements for Plane Elasticity.
Gerard Awanou*, Northern Illinois University
(10386599) 
3:00 p.m.
Adaptive Finite Element Methods for Multiphysics Coupled Problems.
Pavel Solin*, University of Texas at El Paso
Jakub Cerveny, University of Texas at El Paso
Lenka Dubcova, University of Texas at El Paso
(10386536) 
3:30 p.m.
Exact NonReflecting Boundary Conditions on General Domains and hpFinite Elements.
David P. Nicholls*, University of Illinois at Chicago
T. Binford, Rice University
N. Nigam, McGill University
T. Warburton, Rice University
(103865297) 
4:00 p.m.
Verification and Validation in Ocean Modeling.
Traian Iliescu*, Virginia Tech
(103886179) 
4:30 p.m.
Reproducing Polynomial(Singularity) Particle Methods and Adaptive Meshless Methods for 2Dim Elliptic Boundary Value Problems.
HaeSoo Oh*, Dept. of Mathematics and Statistics, Univ. of North Carolina at Charlotte
JaeWoo Jeong, Dept. of Mathematics and Statistics, Univ. of North Carolina at Charlotte
(10386540) 
5:00 p.m.
A Discontinuous Galerkin Method for Solving a Second Order Hyperbolic Equation with Differential Boundary Conditions.
Alexander Alekseenko*, California State University, Northridge
(103865337) 
5:30 p.m.
Applications of the FEM on elliptic PDEs with singular coefficients.
Hengguang Li*, The Pennsylvania State University
Victor Nistor, The Pennsylvania State University
(103865280)

2:30 p.m.

Saturday April 5, 2008, 2:30 p.m.5:40 p.m.
Contributed Paper Session
Maple Room, Indiana Memorial Union

2:30 p.m.
Nonconservative mechanical systems of cofactor type.
Willy Sarlet*, Ghent University, Belgium
(10383715) 
2:45 p.m.
The invariant inverse problem of the calculus of variations.
Tom Mestdag*, University of Michigan
(10383416) 
3:00 p.m.
$E_{6}$, $E_{7}$, $E_{8}$, and the Finite Simple Group $Sp(6,2)$.
Cecil Andrew Ellard*, Ivy Tech Community College of Indiana
(10382022) 
3:15 p.m.
Monomial sequences of linear type.
Hamid Kulosman*, University of Louisville
(10381325) 
3:30 p.m.
Holomorpic extensions in toric varieties.
Marciniak Aneta Malgorzata*, Missouri University of Science and Technology
(103832128) 
3:45 p.m.
Kostant's partition function and the topology of toric arrangements.
Luca Moci*, Roma Tre University, Italy  visiting at Berkeley University.
(10380537) 
4:00 p.m.
A Class of Finite Topological Spaces with no Corresponding Semigroup Structures.
Bettina Richmond*, Western Kentucky University
(103806218) 
4:30 p.m.
Minimum Rank, Boolean Rank, and Schein Rank of Nonnegative Sign Pattern Matrices.
Frank J Hall*, Georgia State University
(10381595) 
4:45 p.m.
On $R$automorphisms of $R[X]$.
Bryan G Sandor*, Western Kentucky University
(103808269) 
5:00 p.m.
A populationprocess model for HIV infection.
John J. Coffey*, Purdue University Calumet
(103860233) 
5:15 p.m.
Practical numbers and Egyptian fraction theorem.
Bhaskara Rao Kopparty*, Departmet of Mathematics and Computer Science, Indiana State University
(103811207) 
5:30 p.m.
The Method of Infinite Ascent.
Susil Kumar Jena*, KIIT University, Bhubaneswar, Orissa, India
(103811284)

2:30 p.m.

Saturday April 5, 2008, 3:00 p.m.5:50 p.m.
Special Session on Dmodules, II
Room 219, Ballantine Hall
Organizers:
Mathias Schulze, Oklahoma State University mschulze@math.okstate.edu
Hans Ulrich Walther, Purdue University walther@math.purdue.edu

3:00 p.m.
Critical modules of rings of differential operators of affine semigroup algebras.
Mutsumi Saito*, Hokkaido University
(103816164) 
3:30 p.m.
Weyl closure of hypergeometric systems.
Laura Felicia Matusevich*, Texas A&M University
(103833190) 
4:00 p.m.
Rational hypergeometric functions in two variables.
Eduardo Cattani*, University of Massachusetts Amherst
Alicia Dickenstein, Universidad de Buenos Aires
Fernando Rodriguez Villegas, University of Texas at Austin
(103833205) 
4:30 p.m.
Bivariate rational hypergeometric functions and residues.
Eduardo Cattani, Department of Mathematics and Statistics, University of Massachusetts at Amherst
Alicia Dickenstein*, Departamento de Matematica, FCEN, Universidad de Buenos Aires
Fernando Rodriguez Villegas, Department of Mathematics, University of Texas at Austin
(103814181) 
5:00 p.m.
Rank Jumps of $\mathcal{A}$hypergeometric Systems.
Christine Berkesch*, Purdue University
(103814237) 
5:30 p.m.
Connections between $\mathcal{D}$modules and multiplier ideals.
Nero Budur*, University of Notre Dame
(103814147)

3:00 p.m.

Saturday April 5, 2008, 3:00 p.m.5:25 p.m.
Special Session on Mathematical Modeling of Cell Motility: From Molecular Events to Mechanical Movement, II
Room 149, Ballantine Hall
Organizers:
Anastasios Matzavinos, Ohio State University tasos@math.ohiostate.edu
Nicoleta Eugenia Tarfulea, Purdue University Calumet ntarfule@calumet.purdue.edu

3:00 p.m.
Modeling actin cytoskeleton dynamics in fission yeast.
Dimitrios Vavylonis*, Lehigh University
(103892327) 
4:00 p.m.
A mathematical model for wound angiogenesis as a function of tissue oxygen tension.
Richard C. Schugart*, The Ohio State University
Avner Friedman, The Ohio State University
Rui Zhao, University of California, Irvine
Chandan K. Sen, The Ohio State University
(10389238) 
4:30 p.m.
A multiscale model for avascular tumor growth.
Yangjin Kim*, Mathematical Biosciences Institute, The Ohio State University
Hans G. Othmer, School of mathematics/University of Minnesota
Magdalena Stolarska, Department of Mathematics/ University of St. Thomas
(10380062) 
5:00 p.m.
A Spatial Model of TumourHost Interaction: Application of Chemotherapy.
Peter Hinow*, Institute for Mathematics and its Applications
(10389263)

3:00 p.m.

Saturday April 5, 2008, 3:00 p.m.5:50 p.m.
Special Session on Combinatorial and Geometric Aspects of Commutative Algebra, II
Room 228, Ballantine Hall
Organizers:
Juan Migliore, University of Notre Dame migliore.1@nd.edu
Uwe Nagel, University of Kentucky uwenagel@ms.uky.edu

3:00 p.m.
A vanishing theorem for logcanonical pairs.
Lawrence Man Hou Ein*, University of Illinois at Chicago
Tomaso de Fernex, University of Utah
(10381880) 
3:30 p.m.
Toroidalization of Locally Toroidal Morphisms from $N$folds to Surfaces.
Krishna C Hanumanthu*, University of Missouri
(103814191) 
4:00 p.m.
The Newton filtration on a semigroup ring.
Mathias Schulze, Oklahoma State University
Uli Walther*, Purdue University
(10381331) 
4:30 p.m.
Properties of cut ideals of certain graphs.
Uwe Nagel, University of Kentucky
Sonja Petrovi\'c*, University of Kentucky
(103813279) 
5:00 p.m.
Cup product of line bundles on complete flag varieties and Weyl group combinatorics.
Mike Roth*, Queen's University
(103814287) 
5:30 p.m.
On the Equations of Blowup Algebras.
C Polini*, University of Notre Dame
(103813177)

3:00 p.m.

Saturday April 5, 2008, 3:00 p.m.5:45 p.m.
Special Session on Birational Algebraic Geometry, II
Room 215, Ballantine Hall
Organizers:
Mircea I. Mustata, University of Michigan mmustata@umich.edu
Mihnea Popa, University of Illinois at Chicago mpopa@math.uic.edu

3:00 p.m.
Flops and ample cones of holomorphic symplectic fourfolds.
Brendan Hassett*, Rice University
Yuri Tschinkel, Courant Institute of Mathematical Sciences, New York University
(103814104) 
4:00 p.m.
On the Minimal Model Program.
Paolo Cascini*, UC Santa Barbara
(10381497) 
5:00 p.m.
Title: Resolution algorithm in characteristic zero and its possible extension in positive characteristic.
Jaroslaw Wlodarczyk*, Department of Mathematics, Purdue University
(10381493)

3:00 p.m.

Saturday April 5, 2008, 3:00 p.m.5:50 p.m.
Special Session on Weak Dependence in Probability and Statistics, II
Room 344, Ballantine Hall
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lahn T. Tran, Indiana University tran@indiana.edu

3:00 p.m.
Nonparametric estimation of the regression function under mixing conditions.
Lanh Tat Tran, Indiana University
Jiexiang Li*, College of Charleston
(10386229) 
3:30 p.m.
Selfnormalized L\'{e}vy process distributional convergence at small times.
Ross A Maller, Australian National University
David M Mason*, University of Delaware
(10386009) 
4:00 p.m.
Empirical Process Invariance Principle for Markov Chains.
Herold Dehling*, RuhrUniversit\"at Bochum, Germany
Olivier Durieu, Universit\'e de Rouen, France
Dalibor Volny, Universit\'e de Rouen, France
(103860124) 
4:30 p.m.
What is Dependence?
Wei B Wu*, University of Chicago
(10386094) 
5:00 p.m.
Isotonic regression with applications to global warming.
Ou Zhao*, University of Michigan
Michael Woodroofe, University of Michigan
(10386287) 
5:30 p.m.
A continuous spectral density for a random field of continuousindex.
Jason T Shaw*, Truman State University
(103860144)

3:00 p.m.

Saturday April 5, 2008, 6:15 p.m.7:30 p.m.
Indiana University Department of Mathematics Reception
Alumni Hall, Indiana Memorial Union
Sunday April 6, 2008

Sunday April 6, 2008, 7:30 a.m.12:00 p.m.
Meeting Registration
East Lounge  Mezzanine Level, Indiana Memorial Union 
Sunday April 6, 2008, 7:30 a.m.12:00 p.m.
Exhibit and Book Sale
Distinguished Alumni Room, Indiana Memorial Union 
Sunday April 6, 2008, 8:00 a.m.10:45 a.m.
Special Session on Algebraic Ktheory and Nil groups in Algebra and Topology, III
Room 204, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Christian Haesemeyer, University of Illinois at Chicago chh@math.uic.edu

8:00 a.m.
The Behavior of NilGroups under Localization and the Relative Assembly Map.
Grunewald Joachim*, Bonn University
(103819249) 
9:00 a.m.
Higher GrothendieckWitt groups of schemes.
Marco Schlichting*, Louisiana State University
(10381985) 
10:00 a.m.
Generation and computation of Nilgroups.
Ian Hambleton*, McMaster University
(103819293)

8:00 a.m.

Sunday April 6, 2008, 8:00 a.m.10:50 a.m.
Special Session on Hyperbolic and Kinetic Equations, III
Room 304, Ballantine Hall
Organizers:
Shi Jin, University of Wisconsin jin@math.wisc.edu
Marshall Slemrod, University of Wisconsin slemrod@math.wisc.edu

8:00 a.m.
Subsonic Flows for Full Euler Equations in Half Plane.
Jun Chen*, University of Wisconsin, Madison
(10383549) 
8:30 a.m.
Stability of strong ideal gas shock layers.
J Humpherys, Dept. Math., BYU
G Lyng, Dept. Math., Univ. Wyoming
K Zumbrun*, Dept. Math., Indiana Univ.
(10383542) 
9:00 a.m.
Alternating evolution methods for hyperbolic conservation laws.
Haseena Ahmed, Iowa State University
Hailiang Liu*, Iowa State University
(10386528) 
9:30 a.m.
Evolution of Discontinuity and TripleShock Pattern for a TwoDimensional System of Conservation Laws.
Dehua Wang*, University of Pittsburgh
(10383519) 
10:00 a.m.
A Vlasov type kinetic model for CuckerSmale's flocking: Modeling and Analysis.
SeungYeal Ha*, Department of Mathematics, University of MarylandCollege Park
Eitan Tadmor, Department of Mathematics, University of Maryland
(10383518) 
10:30 a.m.
Transonic flow and supersonic differential geometry.
Marshall Slemrod*, Department of Mathematics, University of WisconsinMadison
(10383514)

8:00 a.m.

Sunday April 6, 2008, 8:00 a.m.10:45 a.m.
Special Session on Birational Algebraic Geometry, III
Room 215, Ballantine Hall
Organizers:
Mircea I. Mustata, University of Michigan mmustata@umich.edu
Mihnea Popa, University of Illinois at Chicago mpopa@math.uic.edu

8:00 a.m.
Analytic extension of pluriadjoint sections.
Dror Varolin*, SUNY Stony Brook
(103832151) 
9:00 a.m.
Deformations of canonical pairs.
Tommaso de Fernex*, University of Utah
(103814120) 
10:00 a.m.
Geometry of zeroes of polynomials.
James McKernan*, Department of Mathematics, Massachusetts Institute of Technology
(10381435)

8:00 a.m.

Sunday April 6, 2008, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, III
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

8:30 a.m.
The Cyclic Sieving Phenomenon, Jeudetaquin Promotion, and Representation Theory.
Brendon Rhoades*, University of Minnesota
(103805143) 
9:00 a.m.
Generalized degree sequences and plethysm.
Caroline J Klivans*, University of Chicago
Vic Reiner, University of Minnesota
(103805122) 
9:30 a.m.
Parabolic KazhdanLusztig and Rpolynomials for quasiminuscule quotients.
Francesco Brenti*, Universita' di Roma ``Tor Vergata''
(103805320) 
10:30 a.m.
Webs and promotion.
Pavlo Pylyavskyy*, University of Michigan, Ann Arbor
(103805116)

8:30 a.m.

Sunday April 6, 2008, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial and Geometric Aspects of Commutative Algebra, III
Room 228, Ballantine Hall
Organizers:
Juan Migliore, University of Notre Dame migliore.1@nd.edu
Uwe Nagel, University of Kentucky uwenagel@ms.uky.edu

8:30 a.m.
A sharp bound on the multiplicity of almost complete intersections.
Giulio Caviglia*, Purdue University
(103813347) 
9:00 a.m.
Interval Conjectures for level Hilbert functions.
Fabrizio Zanello*, Michigan Technological University
(103813180) 
9:30 a.m.
Cremona maps by way of ideals of linear type and linear syzygies.
Francesco Russo, Federal University of Pernambuco
Aron Simis*, Federal University of Pernambuco
(10381491) 
10:00 a.m.
Persistence complexes for graphs.
Chris Frederick, Colorado State University
Chris Peterson*, Colorado State University
(103813276) 
10:30 a.m.
Ulrich bundles on cubic surfaces.
Marta Casanellas, Universitat Polit`ecnica de Catalunya
Robin Hartshorne*, University of Calfornia, Berkeley
(103814227)

8:30 a.m.

Sunday April 6, 2008, 8:30 a.m.10:45 a.m.
Special Session on Algebraic Aspects of Coding Theory, III
Room 247, Ballantine Hall
Organizers:
Heide GluesingLuerssen, University of Kentucky heidegl@ms.uky.edu
Roxana Smarandache, San Diego State University rsmarand@sciences.sdsu.edu

8:30 a.m.
Linear programming bounds for secret sharing thresholds.
Iwan Duursma*, University of Illinois at UrbanaChampaign
Radoslav Kirov, University of Illinois at UrbanaChampaign
(103894202) 
9:00 a.m.
On quantum codes from multipoint AG codes.
Gretchen L. Matthews*, Clemson University
JonLark Kim, University of Louisville
(103894219) 
9:30 a.m.
Unitderived codes.
Ted Hurley*, National University of Ireland, Galway. Galway, Ireland.
(10389453) 
10:00 a.m.
Spread Codes for Network Coding, a Grassmannian Approach.
Joachim Rosenthal*, University of Zurich
Elisa Gorla, University of Zurich
Felice Manganiello, University of Zurich
(103894208)

8:30 a.m.

Sunday April 6, 2008, 8:30 a.m.10:20 a.m.
Special Session on Finite Element Methods and Applications, III
Room 305, Ballantine Hall
Organizers:
Nicolae Tarfulea, Purdue University Calumet Tarfulea@calumet.purdue.edu
Sheng Zhang, Wayne State University sheng@math.wayne.edu

8:30 a.m.
Discontinuous Galerkin fast sweeping methods.
YongTao Zhang*, Department of Mathematics, University of Notre Dame, Notre Dame, IN 465564618
(103865185) 
9:00 a.m.
Fast and Robust Multigrid method for Stokeslike equations.
Young Ju Lee*, Rutgers University
(103865332) 
9:30 a.m.
Sharply local pointwise a posteriori error estimates for parabolic problems.
Alan Demlow*, University of Kentucky
Charalambos Makridakis, University of Crete, Heraklion, Crete
(103865251) 
10:00 a.m.
SpuriousFree Maxwell Eigensolvers.
Fengyan Li*, Rensselaer Polytechnic Institute
(103865195)

8:30 a.m.

Sunday April 6, 2008, 9:00 a.m.10:45 a.m.
Special Session on Probability and Spatial Systems, III
Room 319, Ballantine Hall
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Alexander Holroyd, University of British Columbia holroyd@math.ubc.ca

9:00 a.m.
Velocity gain for a selfrepelling Brownian particle.
Nathanael Berestycki*, Cambridge University
(103860212) 
10:00 a.m.
Natural parametrization for SchrammLoewner evolution (SLE).
Gregory F Lawler*, University of Chicago
(103860166)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Discrete Structures in Conformal Dynamics and Geometry, III
Room 005, Ballantine Hall
Organizers:
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu
William J. Floyd, Virginia Polytech Institute & State University floyd@math.vt.edu

9:00 a.m.
Informal Session 
10:00 a.m.
A new link between Teichmueller theory and complex dynamics.
Sarah C. Koch*, Cornell University
(10383065) 
10:30 a.m.
Hanoi Towers group and complex dynamics.
Zoran Sunic*, Texas A&M University
Rostislav Grigorchuk, Texas A&M University
Volodymyr Nekrashevych, Texas A&M University
(103837316)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:25 a.m.
Special Session on Operator Algebras and Applications, III
Room 317, Ballantine Hall
Organizers:
Hari Bercovici, Indiana University bercovic@indiana.edu
Marius Dadarlat, Purdue University mdd@math.purdue.edu
Mihai Popa, Indiana University mipopa@indiana.edu

9:00 a.m.
Some applications of operator space techniques in quantum information.
Marius Junge*, University of Illinois at UrbanaChampaign (UIUC)
(103846167) 
9:30 a.m.
Applications of Quantum Groups to Quantum Information Theory.
Marius Junge, University of Illinois at UrbanaChampaign, Urbana, Illinois 61801
Matthias Neufang, Carleton University, Ottawa, Ontario, Canada, K1S 5B6
ZhongJin Ruan*, University of Illinois at UrbanaChampaign, Urbana, Illinois 61801
(103846132) 
10:00 a.m.
Diagonals of positive operators.
Victor Kaftal*, University of Cincinnati
(103847134)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Dmodules, III
Room 219, Ballantine Hall
Organizers:
Mathias Schulze, Oklahoma State University mschulze@math.okstate.edu
Hans Ulrich Walther, Purdue University walther@math.purdue.edu

9:00 a.m.
Lyubeznik numbers of projective schemes.
Wenliang Zhang*, School of Mathematics, University of Minnesota
(103813226) 
9:30 a.m.
Normal Forms, K3 Surface Moduli, and Modular Parametrizations.
Adrian Clingher, University of Missouri
Charles F Doran*, University of Washington
Jacob Lewis, University of Washington
Ursula Whitcher, University of Washington
(103814197) 
10:00 a.m.
Characteristic variety of Dmodules in positive characteristic.
Josep AlvarezMontaner*, Universitat Politecnica de Catalunya
(103813114) 
10:30 a.m.
Degree bounds for Gr\"obner bases in algebras of solvable type.
Matthias Aschenbrenner, Univercity of California, Los Angeles
Anton Leykin*, IMA, University of Minnesota
(10381356)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Recent Advances in Classical and Geophysical Fluid Dynamics, III
Room 103, Ballantine Hall
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

9:00 a.m.
Numerical Simulations of twodimensional Boussinesq systems for threedimensional water waves.
Min Chen*, Purdue University
(103876263) 
9:30 a.m.
Group foliation and the Kortewegde Vries equation.
Jeffrey J. Early*, College of Oceanic and Atmospheric Sciences, Oregon State University
Juha Pohjanpelto, Department of Mathematics, Oregon State University
Roger M. Samelson, College of Oceanic and Atmospheric Sciences, Oregon State University
(103886272) 
10:00 a.m.
Unstable solitary water waves and wave breaking.
Zhiwu Lin*, University of MissouriColumbia
(103876322) 
10:30 a.m.
Negative specific heat in nearly parallel vortex lines  applications to open ocean convection.
Chjan C Lim*, Rensselaer Polytechnic Institute
(103876137)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:45 a.m.
Special Session on Applications of Ring Spectra, III
Room 209, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois at UrbanaChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

9:00 a.m.
Motivic homological algebra.
Dan Isaksen*, Wayne State University
(103855100) 
10:00 a.m.
Enriched Model Categories and Diagram Categories.
Bertrand J Guillou*, University of Chicago
J Peter May, University of Chicago
(103855262)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Graph Theory, III
Room 246, Ballantine Hall
Organizers:
Jozsef Balogh, University of Illinois at UrbanaChampaign jobal@math.uiuc.edu
Hemanshu Kaul, Illinois Institute of Technology kaul@math.iit.edu
Tao Jiang, Miami University jiangt@muohio.edu

9:00 a.m.
Computer Methods for Finding Graph Decompositions.
Stephen G Hartke*, University of NebraskaLincoln
(103805113) 
9:30 a.m.
The maximum spectral radius of C4free graphs.
Vladimir Nikiforov*, University of Memphis
(103805221) 
10:00 a.m.
Kneser representations of graphs.
Peter Hamburger, Department of Mathematics, Western Kentucky University, Bowling Green KY
Attila Por*, Department of Mathematics, Western Kentucky University, Bowling Green KY
Matt Walsh, Department of Mathematical Sciences, IndianaPurdue University, Fort Wayne IN
(103820136) 
10:30 a.m.
Independence number of 2factorplustriangles graphs.
Jennifer Vandenbussche, University of Illinois  Urbana
Douglas B. West*, University of Illinois  Urbana
(103805244)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Minimal and CMC Surfaces, III
Oak Room, Indiana Memorial Union
Organizers:
Bruce Michael Solomon, Indiana University solomon@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu
Adam Weyhaupt, Southern Illinois University aweyhau@siue.edu

9:00 a.m.
Discussions

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:55 a.m.
Special Session on Harmonic Analysis Methods in Mathematical Fluid Dynamics, III
Room 144, Ballantine Hall
Organizers:
Zoran Grujic, University of Virginia zg7c@virginia.edu
Irina Mitrea, University of Virginia im3p@virginia.edu

9:00 a.m.
Singular estimates of transfer functions arising in Riccati and HJ equations corresponding to fluidstructure ineteractions.
Irena M Lasiecka*, University of Virginia
(10383588) 
9:30 a.m.
Wellposedness and stability theory for a PDE which governs fluidstructure interactions.
George Avalos*, University of NebraskaLincoln
(103835107) 
10:00 a.m.
On local uniqueness of weak solutions to the NavierStokes system with $BMO^{1}$ initial datum.
Igor Kukavica, University of Southern California
Vlad Vicol*, University of Southern California
(10383511) 
10:30 a.m.
Convolution inequalities in locally compact abelian groups and NavierStokes equations.
Animikh Biswas*, University of North Carolina at Charlotte
David Swanson, University of Louisville
(10387624)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Financial Mathematics, III
Room 345, Ballantine Hall
Organizers:
Victor Goodman, Indiana University goodmanv@indiana.edu
Kiseop Lee, University of Louisville kiseop.lee@louisville.edu

9:00 a.m.
Option Pricing in a RegimeSwitching BlackScholes Market.
Richard H. Stockbridge*, University of Wisconsin Milwaukee
Katharina Zaglauer, University of Wisconsin Milwaukee
(103860257) 
9:30 a.m.
Convergence Studies on Monte Carlo Methods for Pricing MortgageBacked Securities.
Tao Pang*, Department of Mathematics, North Carolina State University
Yipeng Yang, Operations Research Program, North Carolina State University
Dai Zhao, ZM Financial Systems, Inc
(103890264) 
10:00 a.m.
Partial hedging in financial markets with a large agent.
Jungmin Choi*, Postdoctoral Felow, Florida State University
(103890102) 
10:30 a.m.
Derivatives of Asian Call option prices.
Kyounghee Kim*, Florida State University
Jungmin Choi, Florida State University
(103860159)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Weak Dependence in Probability and Statistics, III
Room 344, Ballantine Hall
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lahn T. Tran, Indiana University tran@indiana.edu

9:00 a.m.
Geometric Ergodicity and betamixing Property for a Seasonal GARCH model with Periodic Coefficients.
Oesook Lee*, Ewha Womans University, Department of Statistics
(103860111) 
9:30 a.m.
Spatial fixed design nonparametric regression.
Soyeon Lee*, Occidental college
(103862163) 
10:00 a.m.
Density estimation by frequency polygons on random fields.
Michel Carbon*, Rennes 2 University
(103862108) 
10:30 a.m.
Erd\"osRenyi Law For Gibbs Markov Systems.
M Denker*, Mathematische Stochastik, Universit\"at G\"ottingen
(10386070)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:20 a.m.
Special Session on Some Mathematical Problems in Biology, from Macromolecules to Ecosystems, III
Room 148, Ballantine Hall
Organizers:
Santiago David Schnell, Indiana University schnell@indiana.edu
Roger Temam, Indiana University temam@indiana.edu

9:00 a.m.
MultiCell Modeling of Biological Development using the GGH Model and CompuCell3D: Applications, Technology and Open Problems.
James A. Glazier*, Indiana University, Department of Physics and Biocomplexity Institute
(103892125) 
9:30 a.m.
TwoSex, AgeStructured, Logistic Population Models.
Fabio Augusto Milner*, Department of Mathematics, Purdue University, West Lafayette, IN 479072067
Kai Yang, Department of Mathematics, Purdue University, West Lafayette, IN 479072067
(10389286) 
10:00 a.m.
A new mathematical model of syphilis.
Ruijun Zhao*, Purdue University
(103892110)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:50 a.m.
Special Session on Geometry and Dynamics, III
Room 006, Ballantine Hall
Organizers:
Chris Connell, Indiana University connell@indiana.edu
David M. Fisher, Indiana University fisherdm@indiana.edu
Marlies Gerber, Indiana University gerber@indiana.edu

9:00 a.m.
On the tip of the tongue.
Micha{\l} Misiurewicz*, Indiana University Purdue University Indianapolis
Ana Rodrigues, Universidade do Porto
(103837103) 
9:30 a.m.
Liouville property on regular covers.
Anders Karlsson, Royal Institute of Technology, Stockholm
Fran\c cois Ledrappier*, University of Notre Dame
(10385883) 
10:00 a.m.
Continued fractions, natural extension maps and their geometric structure.
Ilie D Ugarcovici*, DePaul University
(103837235) 
10:30 a.m.
An intrinsic proof of GromollGrove diameter rigidity theorem.
Jianguo Cao, University of Notre Dame
Hongyan Tang*, Tsinghua University, Beijing, China
(10385867)

9:00 a.m.

Sunday April 6, 2008, 9:00 a.m.10:55 a.m.
Special Session on Harmonic Analysis and Related Topics, III
Room 146, Ballantine Hall
Organizers:
Ciprian Demeter, Institute for Advance Study demeter@math.ias.edu
Nets Katz, Indiana University nhkatz@indiana.edu

9:00 a.m.
A Generalization of the Theorem of WhittakerShannonKotelnikov.
Yufang Hao*, Department of Applied Mathematics, University of Waterloo
(103843281) 
9:30 a.m.
The (weak$L^2$) Boundedness of The Quadratic Carleson Operator.
Victor D. Lie*, UCLA
(103842224) 
10:00 a.m.
A criticalexponent BalianLow theorem.
S. Zubin Gautam*, UCLA
(103842223) 
10:30 a.m.
Applications of interpolation theorems.
Chaoyuan Mary Liu*, Eastern Kentucky University
(10384606)

9:00 a.m.

Sunday April 6, 2008, 11:10 a.m.12:00 p.m.
Invited Address
Nonderivative optimization: Mathematics, heuristics, or hack?
Room 122, Chemistry Building
Margaret H. Wright*, Courant Institute, NYU
(10384904) 
Sunday April 6, 2008, 1:30 p.m.2:20 p.m.
Invited Address
Hamiltonian systems and Liouville equations with discontinuous Hamiltonians: Computational methods for high frequency waves in heterogeneous media.
Room 122, Chemistry Building
Shi Jin*, University of Wisconsin
(10383501) 
Sunday April 6, 2008, 2:30 p.m.4:50 p.m.
Special Session on Probability and Spatial Systems, IV
Room 319, Ballantine Hall
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Alexander Holroyd, University of British Columbia holroyd@math.ubc.ca

2:30 p.m.
The scaling limits of dynamical and nearcritical percolation, and the Minimal Spanning Tree.
Christophe Garban, Universite ParisSud and ENS
G\'abor Pete*, Microsoft Research
Oded Schramm, Microsoft Research
(103860321) 
3:00 p.m.
Quasiunits in Zhang's sandpile model.
Anna Feyden Boer*, VU Amsterdam
Haiyan Liu, VU Amsterdam
Ronald Meester, VU Amsterdam
Corrie Quant, VU Amsterdam
Frank Redig, Leiden University
(103860231) 
4:00 p.m.
Sampling $3$colourings of the discrete torus.
David Galvin*, University of Notre Dame
(103860187) 
4:30 p.m.
A different approach to strong embeddings.
Sourav Chatterjee*, University of California at Berkeley
(103860199)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.4:20 p.m.
Special Session on Discrete Structures in Conformal Dynamics and Geometry, IV
Room 005, Ballantine Hall
Organizers:
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu
William J. Floyd, Virginia Polytech Institute & State University floyd@math.vt.edu

2:30 p.m.
Homotopy PseudoOrbits and Iterated Monodromy Groups (Part I).
Suzanne Hruska, University of Wisconsin Milwaukee
Rodrigo A Perez*, Indiana University Purdue University at Indianapolis
John Smillie, Cornell University
(103837307) 
3:00 p.m.
Homotopy PseudoOrbits and Iterated Monodromy Groups, Part II.
Suzanne Hruska*, University of Wisconsin Milwaukee
Rodrigo Perez, Indiana University Purdue University Indianapolis
John Smillie, Cornell University
(103837306) 
3:30 p.m.
Polynomial combinatorics.
Laura DeMarco*, University of Illinois at Chicago
(103837173) 
4:00 p.m.
Pinching Deformations of Rational Maps.
Robert W. O'Connell*, Indiana UniversityBloomington
(103837252)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.5:50 p.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, IV
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

2:30 p.m.
From total positivity to positroids (via the Grassmannian, the Bruhat order, and pattern avoidance).
Alexander Postnikov*, MIT
(103805259) 
3:30 p.m.
Discrete Morse theory and the totally nonnegative part of G/P.
Lauren K Williams*, Harvard University
(103805161) 
4:00 p.m.
A quantization of a theorem of Goulden and Jackson.
Matjaz Konvalinka, MIT
Mark Skandera*, Lehigh University
(103805271) 
4:30 p.m.
The Rees product of the cubical lattice with the chain.
Patricia Muldoon, University of Kentucky
Margaret A. Readdy*, University of Kentucky
(103805215) 
5:00 p.m.
Exponential Dowling structures.
Richard Ehrenborg*, University of Kentucky
Margaret Readdy, University of Kentucky
(103805291) 
5:30 p.m.
Inversion arrangements and lower intervals in the Bruhat order.
Axel Hultman, KTH, Stockholm
Svante Linusson, KTH, Stockholm
John Shareshian*, Washington University
Jonas Sj\"ostrand, KTH, Stockholm
(103805324)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.5:50 p.m.
Special Session on Recent Advances in Classical and Geophysical Fluid Dynamics, IV
Room 103, Ballantine Hall
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

2:30 p.m.
The primitive equations of the atmosphere at small viscosity.
Roger Temam*, Indiana University
C.Y. Jung, Indiana University
(103835350) 
3:00 p.m.
The predictability of twodimensional and quasigeostrophic turbulence.
Joseph J Tribbia*, NCAR
(103876335) 
3:30 p.m.
A scheme for stationary statistical properties of the infinite Prandtl number model.
Wenfang Cheng, Florida State University
Xiaoming Wang*, Florida State University
(103876329) 
4:00 p.m.
Break 
4:30 p.m.
Regularity results of the primitive equations.
I Kukavica, University of Southern California
M Ziane*, University of Southern California
(103835311) 
5:00 p.m.
Recent Carleman estimates for the Stokes system and applications.
Oleg Yu. Emanouilov*, Colorado State University
(103835274) 
5:30 p.m.
Dynamic Transitions and Stability for Equatorial Flows.
Tian Ma, Sichuan University
Shouhong Wang*, Indiana University
(103835312)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.5:15 p.m.
Special Session on Applications of Ring Spectra, IV
Room 209, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois at UrbanaChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

2:30 p.m.
Enriched Reedy Categories.
Vigleik Angeltveit*, University of Chicago
(103818254) 
3:30 p.m.
Elliptic cohomology and abelian surfaces.
Tyler D Lawson*, University of Minnesota
Mark Behrens, Massachusetts Institute of Technology
(103855303) 
4:30 p.m.
$v_2$periodicity at the prime $2$.
M. Behrens*, MIT
M. Hill, Univeristy of Virginia
M. J. Hopkins, Harvard
M. Mahowald, Northwestern University
(103855317)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.5:50 p.m.
Special Session on Graph Theory, IV
Room 246, Ballantine Hall
Organizers:
Jozsef Balogh, University of Illinois at UrbanaChampaign jobal@math.uiuc.edu
Hemanshu Kaul, Illinois Institute of Technology kaul@math.iit.edu
Tao Jiang, Miami University jiangt@muohio.edu

2:30 p.m.
On circular flows of graphs.
HongJian Lai*, Department of Mathematics, West Virginia University
Rui Xu, Department of Mathematics, University of West Georgia
Cunquan Zhang, Department of Mathematics, West Virginia University
(10380543) 
3:00 p.m.
A Lower Bound for Potentially $H$graphic Sequences.
Michael Ferrara*, The University of Akron
John Schmitt, Middlebury College
(10380560) 
3:30 p.m.
A minmax theorem for chordal bipartite graphs.
Atif Abuieda, University of Dayton
Arthur Busch*, University of Dayton
R Sritharan, University of Dayton
(10380576) 
4:00 p.m.
Decompositions of planar graphs into a forest and another graph.
Naeem N. Sheikh*, University of Illinois at UrbanaChampaign
Oleg V. Borodin, Sobolev Institute of Mathematics, Novosibirsk, Russia
Alexandr V. Kostochka, Univ. of Illinois at UrbanaChampaign and Sobolev Institute of Mathematics, Novosibirsk, Russia
A. O. Ivanova, Yakutsk State University, Yakutsk, Russia
Gexin Yu, Vanderbilt University
(103805243) 
4:30 p.m.
The Structure of $K_{3,4}$Free Projective Planar Graphs.
John Maharry*, The Ohio State University
Daniel Slilaty, Wright State University
(103805172) 
5:00 p.m.
Separation in trees.
Tao Jiang, Miami University
Zevi Miller*, Miami University
Dan Pritikin, Miami University
(103805196) 
5:30 p.m.
Modulo $n$ Representations of Graphs.
Anthony B. Evans, Wright State University
Dan Pritikin*, Miami University
(103805160)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.5:15 p.m.
Special Session on Algebraic Ktheory and Nil groups in Algebra and Topology, IV
Room 204, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Christian Haesemeyer, University of Illinois at Chicago chh@math.uic.edu

2:30 p.m.
On the Cappell UNilgroups.
Andrew Ranicki*, University of Edinburgh
(103857133) 
3:30 p.m.
An approach to the FarrellJones conjecture.
Frank Quinn*, Virginia Tech
(103819340) 
4:30 p.m.
Algebraic Ktheory of hyperbolic reflection groups.
JeanFrancois Lafont*, Ohio State University
Ivonne J. Ortiz, Miami University
Bruce Magurn, Miami University
(103819298)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.4:50 p.m.
Special Session on Financial Mathematics, IV
Room 345, Ballantine Hall
Organizers:
Victor Goodman, Indiana University goodmanv@indiana.edu
Kiseop Lee, University of Louisville kiseop.lee@louisville.edu

2:30 p.m.
Arbitrage Free Models In Markets With Transaction Costs.
Hasanjan Sayit*, Assistant professor, Mathematics Department, Worcester Polytechnic Institute.
Erhan Bayraktar, Assistant professor, University of Michigan
(103860178) 
3:00 p.m.
A Mathematical Model for Power Derivatives.
Chunfeng She*, Indiana University
(103860228) 
3:30 p.m.
The AdditiveInteractive Nonlinear Arch Model and its Estimation.
Michael Levine*, Department of Statistics, Purdue University
Tony Li, Purdue University
(103862241) 
4:00 p.m.
Principal Component Analysis of Forward Interest Rates.
Victor Goodman*, Indiana University
(10389171) 
4:30 p.m.
Estimation of Liquidity Cost.
Kiseop Lee*, Department of Mathematics, University of Louisville
(10386044)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.4:20 p.m.
Special Session on Algebraic Aspects of Coding Theory, IV
Room 247, Ballantine Hall
Organizers:
Heide GluesingLuerssen, University of Kentucky heidegl@ms.uky.edu
Roxana Smarandache, San Diego State University rsmarand@sciences.sdsu.edu

2:30 p.m.
List Decoding BCH Codes Using Gr\"obner Bases.
Philip R. Busse*, University of Kentucky
(103814230) 
3:00 p.m.
Selfdual codes over finite chain rings.
Steven T. Dougherty, University of Scranton
JonLark Kim*, University of Louisville
Hongwei Liu, Central China Normal University
(10389489) 
3:30 p.m.
Code loops of both parities.
Petr Vojt\v{e}chovsk\'y*, University of Denver, Department of Mathematics
(10380526) 
4:00 p.m.
On selfdual codes over $\mathbb{F}_5$.
Sunghyu Han*, Department of Mathematics, University of Louisville, Louisville, KY, USA
JonLark Kim, Department of Mathematics, University of Louisville, Louisville, KY, USA
(10389454)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.3:55 p.m.
Special Session on Harmonic Analysis and Related Topics, IV
Room 146, Ballantine Hall
Organizers:
Ciprian Demeter, Institute for Advance Study demeter@math.ias.edu
Nets Katz, Indiana University nhkatz@indiana.edu

2:30 p.m.
Some problems on multilinear oscillatory integrals.
Xiaochun Li*, University of Illinois at UrbanaChampaign
(103842319) 
3:00 p.m.
Maximal averages along onevariable vector fields.
Michael Bateman*, Indiana University
(103842313) 
3:30 p.m.
Tent spaces associated with semigroup of operators.
Tao Mei*, University of Illinois at UrbanaChampaign
(103842225)

2:30 p.m.

Sunday April 6, 2008, 2:30 p.m.5:20 p.m.
Special Session on Finite Element Methods and Applications, IV
Room 305, Ballantine Hall
Organizers:
Nicolae Tarfulea, Purdue University Calumet Tarfulea@calumet.purdue.edu
Sheng Zhang, Wayne State University sheng@math.wayne.edu

2:30 p.m.
Consistency \& Numerical Smoothing $>$ Longtime Error Estimation.
Tong Sun*, Department of Mathematics and Statistics, Bowling Green State University
(10386530) 
3:00 p.m.
An {\it A Posteriori} Error Estimator for a Quadratic $C^0$ Interior Penalty Method for the Biharmonic Problem.
Susanne C. Brenner, Department of Mathematics and Center for Computation and Technology, Louisiana State University
Thirupathi Gudi*, Center for Computation and Technology , Louisiana State University
Li Yeng Sung, Department of Mathematics, Louisiana State University
(10386568) 
3:30 p.m.
A Scattering Problem in NearField Optics.
Peijun Li*, University of Michigan
(103878182) 
4:00 p.m.
Efficient and reliable error estimation for elliptic eigenvalue problems.
Jeffrey S Ovall*, California Institute of Technology
(10386574) 
4:30 p.m.
Finite Element Assembly on Arbitrary Meshes.
Matthew G Knepley, Mathematics and Computer Science Division, Argonne National Lab
Andy R Terrel*, Department of Computer Science, University of Chicago
(103835242) 
5:00 p.m.
Towards flexible geometric multigrid solvers for finite element problems.
Peter R Brune*, University of Chicago
Matthew G Knepley, Argonne National Lab
(103865282)

2:30 p.m.

Sunday April 6, 2008, 3:00 p.m.4:50 p.m.
Special Session on Weak Dependence in Probability and Statistics, IV
Room 344, Ballantine Hall
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lahn T. Tran, Indiana University tran@indiana.edu

3:00 p.m.
Weak Convergence of the Standard Empirical Process of Stationary Sequences.
Juan Carlos Escanciano*, Indiana University, Economics Department
(103860135) 
3:30 p.m.
Conditional UStatistics with Applications in Discriminant Analysis, ARMA Processes and Hidden Markov Models and Hidden Markov Models.
Madan L Puri*, Indiana University, Bloomington,Indiana
Michel Harel, C.N.R.S., Toulouse, France
(103860109) 
4:00 p.m.
Spectrum Estimation for Isotropic Intrinsically Stationary Spatial Processes.
Chunfeng Huang*, Department of Statistics, Indiana University
Tailen Hsing, University of MIchigan
Noel Cressie, The Ohio State University
(103862140) 
4:30 p.m.
Hazard rate estimation on random fields.
Jiexiang Li, College of Charleston, South Carolina
Lanh T Tran*, Indiana University
(103862155)

3:00 p.m.