AMS Sectional Meeting Program by Day
Current as of Sunday, April 18, 2010 21:23:43
Inquiries: meet@ams.org
2010 Spring Central Section Meeting
St. Paul, MN, April 1011, 2010 (Saturday  Sunday)
Meeting #1058
Associate secretaries: Georgia Benkart, AMS benkart@math.wisc.edu
Saturday April 10, 2010

Saturday April 10, 2010, 7:30 a.m.4:00 p.m.
Meeting Registration
Lobby, Olin Rice Hall 
Saturday April 10, 2010, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Lobby, Olin Rice Hall 
Saturday April 10, 2010, 8:30 a.m.11:20 a.m.
Special Session on Differential Equations and Applications, I
Room 009, Old Main
Organizers:
Nicolai Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu
Catalin Turc, Case Western Reserve University catalin.turc@case.edu

8:30 a.m.
An Inverse Random Source Problem for the Helmholtz Equation in One Dimension.
Gang Bao, Department of Mathematics, Michigan State University, East Lansing, MI 48824
ShuiNee Chow, School of Mathematics, Georgia Institute of Technology, Atlanta, GA 30332
Peijun Li*, Department of Mathematics, Purdue University, West Lafayette, IN 47907
Haomin Zhou, School of Mathematics, Georgia Institute of Technology, Atlanta, GA 30332
(105878129) 
9:00 a.m.
The Interior Transmission Problem in Acoustics.
Peter B Monk*, University of Delaware
(105865252) 
9:30 a.m.
Analysis of transmission and mixed boundary value problems with applications to the Finite Element Method.
Hengguang Li, Syracuse University
Anna Mazzucato, Pennsylvania State University
Victor Nistor*, Pennsylvania State University
(105865204) 
10:00 a.m.
Some Recent Developments in Particle Methods.
Robert Krasny*, University of Michigan
Hualong Feng, Nanjing University of Science and Technology
Leon Kaganovskiy, New College of Florida
Lei Wang, University of Michigan
(10586553) 
10:30 a.m.
A New SpectralGalerkin Method for HighDimensional PDEs.
Jie Shen*, Purdue University
(105865299) 
11:00 a.m.
Exponential convergence of $hp$version DG methods for linear elliptic PDEs in three dimensions.
Dominik M Schoetzau*, University of British Columbia
(10586589)

8:30 a.m.

Saturday April 10, 2010, 8:30 a.m.11:20 a.m.
Special Session on Quantum Invariants of 3manifolds and Modular Categories, I
Room 226, Humanities Building
Organizers:
Thang Le, Georgia Institute of Technology letu@math.gatech.edu
Eric Rowell, Texas A&M University rowell@math.tamu.edu
Vladimir Touraev, Indiana University vtouraev@indiana.edu

8:30 a.m.
Fusion categories in terms of graphs and relations.
Hendryk Pfeiffer*, The University of British Columbia,
(105820113) 
9:00 a.m.
How to recognize $U_q(\mathfrak{g}_2)$ or $S_t$.
Noah J Snyder*, Columbia University
(105817228) 
9:30 a.m.
Tensor functors on a certain category constructed from spherical categories.
Marta Asaeda*, Univ of California, Riverside
(105857273) 
10:00 a.m.
TuraevViro Invariants as an Extended TQFT.
Alexander Kirillov, Jr, Stony Brook University
Benjamin Balsam*, Stony Brook University
(105881254) 
10:30 a.m.
Second Quantization of Categorical Quantum Mechanics.
Spencer D Stirling*, University of Utah
YongShi Wu, University of Utah
(105881236) 
11:00 a.m.
Some properties of quantum representations of mapping class groups.
Jens Fjelstad*, Karlstad University/Department of Physics
(105818222)

8:30 a.m.

Saturday April 10, 2010, 8:30 a.m.11:20 a.m.
Special Session on Matrices and Graphs, I
Room 100, Olin Rice Hall
Organizers:
Luz M. DeAlba, Drake University luz.dealba@drake.edu
Adam Berliner, St. Olaf College berliner@stolaf.edu
Leslie Hogben, Iowa State University lhogben@iastate.edu
InJae Kim, Minnesota State University injae.kim@mnsu.edu

8:30 a.m.
Progress on the Graph Complement Conjecture.
Shaun M Fallat*, University of Regina
(105815115) 
9:00 a.m.
Minimum semidefinite rank and the Heawood graph.
Louis A Deaett*, University of Victoria
(105815210) 
9:30 a.m.
Lower Bounds in Minimum Rank Problems.
Sivaram K. Narayan*, Central Michigan University
(105815163) 
10:00 a.m.
Minimum Semidefinite Rank of Outerplanar Graphs.
Francesco Barioli, University of Tennessee at Chattanooga
Shaun M Fallat, University of Regina
Lon H Mitchell*, Virginia Commonwealth University
Sivaram K Narayan, Central Michigan University
(105815174) 
10:30 a.m.
Minimum Rank of Outerplanar Graphs.
Mark Kempton*, Brigham Young University
(105815245) 
11:00 a.m.
The Minimum Rank Problem for Outerplanar Graphs.
John Sinkovic*, Brigham Young University
Mark Kempton, Brigham Young University
(105815285)

8:30 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Physical Knotting and Linking and its Applications, I
Room 213, Humanities Building
Organizers:
Eric Rawdon, University of St. Thomas ejrawdon@stthomas.edu
Yuanan Diao, University of North Carolina at Charlotte yuanandiao@uncc.edu
Claus Ernst, Western Kentucky University claus.ernst@wku.edu

9:00 a.m.
Are large codimension 2 spheres knotted with high probability?
De Witt Sumners*, Florida State University
(105857111) 
9:30 a.m.
Knotted 2spheres in tubes in $Z^4$.
Stu Whittington*, University of Toronto
(105857101) 
10:00 a.m.
Knotting statistics after a local strand passage in selfavoiding polygons on $\mathbb{Z}^3$.
Chris Soteros*, University of Saskatchewan
Michael Szafron, University of Saskatchewan
(105882262) 
10:30 a.m.
Mechanics and Energetics of DNA Loops in Complex Nucleoprotein Assemblies.
Stephen D Levene*, University of Texas at Dallas
(105892211) 
11:00 a.m.
Laundry Embedded Surfaces and Protein Folding.
Victor A Nicholson*, Kent State University
(105857243)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Hecke Algebras and Deformations in Geometry and Topology, I
Room 250, Olin Rice Hall
Organizers:
Matthew Douglass, University of North Texas douglass@unt.edu
Anne Shepler, University of North Texas ashepler@unt.edu

9:00 a.m.
An application of the Hecke algebras of permutation representations to representation theory.
Shigeo Koshitani*, Dept of Mathematics, Graduate School of Science, Chiba University, Japan
(10582278) 
9:30 a.m.
Hecke Algebras and Markov traces.
Rosa C Orellana*, Dartmouth College
(105816271) 
10:00 a.m.
A LittlewoodRichardson rule for Macdonald polynomials.
Martha Yip*, UWMadison
(105805199) 
10:30 a.m.
Motzkin Paths and Representation Theory.
Georgia Benkart*, University of WisconsinMadison
Tom Halverson, Macalester College
(10580559) 
11:00 a.m.
Twisted symplectic reflection algebras.
Tatyana S Chmutova*, University of Michigan
(105816177)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Pattern Formation in Biological Systems, I
Room 001, Old Main
Organizers:
Magdalena Skolarska, University of St. Thomas mastolarska@stthomas.edu
Chad Topaz, Macalester College ctopaz@macalester.edu

9:00 a.m.
Locust swarms: Discrete models, homogenization, and variational minimization.
Chad M. Topaz*, Dept. of Mathematics, Statistics, and Computer Science, Macalester College
Andrew J. Bernoff, Dept. of Mathematics, Harvey Mudd College
Sheldon Logan, Baskin School of Engineering, University of California at Santa Cruz
Wyatt Toolson, The Brattle Group
(105892235) 
9:30 a.m.
Asymptotic dynamics of attractiverepulsive swarms.
Andrew J. Bernoff*, Dept. of Mathematics, Harvey Mudd College
Andrew J. Leverentz, Dept. of Mathematics, Harvey Mudd College
Chad M. Topaz, Dept. of Mathematics and Computer Science, Macalester College
(105837279) 
10:00 a.m.
Two dimensional swarming patterns: from discrete to continuum descriptions.
Maria R D'Orsogna*, California State University at Northridge
(105892140) 
10:30 a.m.
The Volcano Effect in Bacterial Chemotaxis.
Paul A Milewski*, UWMadison, Mathematics
Julie Simons, UWMadison, Mathematics
(105892244) 
11:00 a.m.
Mathematical models of pattern formation in baterium Proteus mirabilis colonies.
chuan xue*, Mathematical Biosciences Institute
(10589251)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Fractals, Convolution Measures, and Frames, I
Room 112, Humanities Building
Organizers:
Keri Kornelson, University of Oklahoma kkornelson@math.ou.edu
Karen Shuman, Grinnell College shumank@math.grinnell.edu

8:30 a.m.
Identifying a Basis in a Frame.
Dominic Donald Kramer*, Iowa State University
(105846282) 
9:00 a.m.
Exponential Frames and Bases on the Cantor3 set.
Eric S Weber*, Iowa State University
(105842205) 
9:30 a.m.
Orthogonal harmonic analysis of selfsimilar measures.
Palle E. T. Jorgensen*, University of Iowa
(10584248) 
10:00 a.m.
Fourier frames on fractal measures.
Dorin Ervin Dutkay*, University of Central Florida
(10584227) 
10:30 a.m.
Slanted matrices, Banach frames and sampling.
Akram Aldroubi*, Vanderbilt University
Ilya Krishtal, Northern Illinois University, DeKalb
(10584791) 
11:00 a.m.
Frame multipliers and commutative Banach algebras.
Fumiko Futamura*, Southwestern University
(105842253)

8:30 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Mathematical Developments in Cell and Systems Biology, I
Room 002, Old Main
Organizers:
Anastasios Matzavinos, Iowa State University tasos@iastate.edu
Nicoleta Eugenia Tarfulea, Purdue University Calumet ntarfule@calumet.purdue.edu

9:00 a.m.
Multiscale analysis of chemical reaction networks.
Hans G Othmer*, School of Mathematics, University of Minnesota
(105892268) 
10:00 a.m.
The maximal compartment size in stochastic modeling of chemical reactiondiffusion networks.
Hye Won Kang*, University of Minnesota/School of Mathematics
Likun Zheng, University of Minnesota/School of Mathematics
Hans Othmer, University of Minnesota/School of Mathematics
(105892195) 
10:30 a.m.
Numerical Solution of Stochastic Partial Differential Equations using WienerIto Chaos Expansions.
Fernando MirandaMendoza*, Department of Mathematics, Iowa State University
(105865237) 
11:00 a.m.
A model of fibroblast motility with substrate rigidity sensing.
Maria E. Gracheva*, Department of Physics, Clarkson University
Irina V. Dokukina, Department of Physics, Clarkson University
(10589287)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Applications of a Geometric Approach to Chaotic Dynamics, I
Room 010, Old Main
Organizers:
Evelyn Sander, George Mason University esander@gmu.edu
Judy Kennedy, Lamar University kennedy9905@gmail.com
James Yorke, University of Maryland yorke@umd.edu

9:00 a.m.
The Topology of Tank Stirring.
Barry A. Peratt*, Winona State University
Judy A. Kennedy, Lamar University
(105854160) 
9:30 a.m.
Finitetoone Maps into Euclidean Manifolds and Spaces with Disjoint Disks Properties.
Alex Karasev, Nipissing University
Murat Tuncali*, Nipissing University
Vesko Valov, Nipissing University
(105854134) 
10:00 a.m.
Chaotic Sets and Chaos for a Class of Differential Inclusions that Arise in Economic Models.
David R Stockman*, University of Delaware
Brian E Raines, Baylor University
(105837135) 
10:30 a.m.
Factor maps and chaos.
Piotr Oprocha*, Universidad de Murcia, Spain
Paweł Wilczyński, Jagiellonian University, Poland
(10583730) 
11:00 a.m.
The Dynamics of Nucleation in Stochastic CahnMorral Systems.
Jonathan P. Desi, UMBC
Hanein H. Edrees, George Mason University
Joseph J. Price, George Mason University
Evelyn Sander*, George Mason University
Thomas Wanner, George Mason University
(105835145)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Probabilistic and Extremal Combinatorics, I
Room 150, Olin Rice Hall
Organizers:
Ryan Martin, Iowa State University rymartin@iastate.edu
Maria Axenovich, Iowa State University axenovic@iastate.edu

9:00 a.m.
On Saturated Graphs.
Ronald J. Gould*, Emory University
(10580572) 
9:30 a.m.
Stability results on covering of triangles by edges.
P. Haxell, University of Waterloo
A. Kostochka*, University of Illinois at UrbanaChampaign
S. Thomasse, Universite Montpellier II
(105805196) 
10:00 a.m.
Extremal trees for homomorphism enumeration.
A. Jamie Radcliffe*, University of NebraskaLincoln
Andrew Ray, University of NebraskaLincoln
(105805119) 
10:30 a.m.
Covering complete $r$graphs with complete $r$partite $r$graphs.
André Kündgen*, California State University San Marcos
Sebastian Cioabă, University of Delaware
Craig Timmons, University of California San Diego
(105805267) 
11:00 a.m.
Decomposition of graphs into given sample graphs.
Zoltan Furedi*, University of Illinois at UrbanaChampaign
(105805269)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Combinatorial Representation Theory, I
Room 241, Olin Rice Hall
Organizers:
Tom Halverson, Macalester College halverson@macalester.edu
Victor Reiner, University of Minnesota reiner@math.umn.edu

9:00 a.m.
Hyperspecies and hyperoperads.
Marcelo Aguiar*, Texas A&M University
Swapneel Mahajan, Indian Institute of Technology, Mumbai
(105805180) 
9:30 a.m.
A simple bijection between alternating sign matrices with no $1$'s and descending plane partitions with no special parts.
Jessica Striker*, Minneapolis, MN
(105805209) 
10:00 a.m.
Cyclic sieving and Eulerian quasisymmetric functions.
Bruce Sagan, Michigan State University
John Shareshian*, Washington University
Michelle Wachs, University of Miami
(105805223) 
10:30 a.m.
On the algebra and combinatorics of $q,t$Catalan numbers.
Lee Kyungyong, Purdue University
Li Li*, University of Illinois at UrbanaChampaign
(105805178) 
11:00 a.m.
Crystal graphs and dual equivalence graphs.
Sami Assaf*, MIT
(105805191)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Universal Algebra and Order, I
Room 301, Olin Rice Hall
Organizers:
Jeffrey Olson, Norwich University jolson@norwich.edu
Jeremy Alm, Illinois College alm.academic@gmail.com
Kristi Meyer, Wisconsin Lutheran College kristi.meyer@wlc.edu
Japheth Wood, Bard College jwood@bard.edu

9:00 a.m.
Algebraic Linear Orderings.
Stephen L Bloom*, Stevens Institute of Technology
Zoltan Esik, University of Szeged
(10580618) 
9:30 a.m.
Categorical terms for congruencemodularity.
Zurab Janelidze*, Stellenbosch University, South Africa
(10580814) 
10:00 a.m.
Portraits of Kuratowski monoid orbits.
Fred E.J. Linton*, Wesleyan Univ. Math/CS (Emeritus)
(10580625) 
10:30 a.m.
Lambdarings of automorphisms.
Jonathan D.H. Smith*, Iowa State University
(10580813) 
11:00 a.m.
On finitely related clones.
Peter Mayr*, Centro de Algebra de Universidade de Lisboa
Erhard Aichinger, Department of Algebra, JKU Linz, Austria
(10580820)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Commutative Ring Theory, I
Room 353, Olin Rice Hall
Organizers:
Michael Axtell, University of St. Thomas maxtell@stthomas.edu
Joe Stickles, Millikin University jstickles@millikin.edu

9:00 a.m.
$\tau_{[ ]}$UFD's, UCFD's, and CKdomains.
Jeremiah N. Reinkoester*, The University of Iowa
(10581384) 
9:30 a.m.
Prime Ideals in Birational Extensions of TwoDimensional Power Series Rings.
Christina EubanksTurner*, university of Louisiana at Lafayette
Melissa Luckas, Madison, Wisconsin
Serpil Saydam, University of Louisiana at Monroe
(105813153) 
10:00 a.m.
Integervalued Polynomials on Subsets of a Noncommutative Ring.
Nicholas Werner*, The Ohio State University
(105813166) 
10:30 a.m.
Quasicomplete local rings.
Dan D. Anderson*, The University of Iowa
(10581358) 
11:00 a.m.
Using goingup to characterize goingdown domains.
David E. Dobbs*, University of Tennessee
Andrew J. Hetzel, Tennessee Technological University
(10581380)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Partition Theory and the Combinatorics of Symmetric Functions, I
Room 350, Olin Rice Hall
Organizers:
Eric S. Egge, Carleton College eegge@carleton.edu
Kristina Garrett, St. Olaf College garrettk@stolaf.edu

9:00 a.m.
The lattice of finite vector space partitions and its Möbius function.
Fusun Akman*, Illinois State University
Papa Amar Sissokho, Illinois State University
(10580686) 
9:30 a.m.
Multiple special numbers.
Hasan Coskun*, Texas A&M UniversityCommerce
(10580594) 
10:00 a.m.
Sand Piles and Related Partition Dynamics.
Brian Hopkins*, Saint Peter's College
(10580533) 
10:30 a.m.
Explicit bounds for the number of $p$core partitions.
Byungchan Kim*, University of Illinois at UrbanaChampaign
Jeremy Rouse, University of Illinois at UrbanaChampain
(10581107) 
11:00 a.m.
Infinitely many new partition statistics.
Gregory S. Warrington*, University of Vermont
Nicholas A. Loehr, Virginia Tech
(105805296)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Cohomology and Representation Theory of Algebraic Groups and Related Structures, I
Room 243, Olin Rice Hall
Organizers:
Christopher Bendel, University of WisconsinStout bendelc@uwstout.edu
Bobbe Cooper, University of Minnesota bcooper@math.umn.edu
Terrell Hodge, Western Michigan University terrell.hodge@wmich.edu

9:00 a.m.
The classification of tridiagonal pairs.
Paul M Terwilliger*, Math Department, University of Wisconsin
(105815108) 
9:30 a.m.
Thin Hessenberg Pairs of Linear Transformations.
Ali Godjali*, University of WisconsinMadison
(105815218) 
10:00 a.m.
Dual polar graphs and the quantum algebra $U_q(sl_2)$.
Chalermpong Worawannotai*, University of WisconsinMadison
(105805226) 
10:30 a.m.
The measurement of quantum entanglement and enumeration of graph coverings.
Michael W. Hero, University of Wisconsin  Milwaukee
Lauren Kelly Williams, University of Wisconsin  Milwaukee
Jeb F. Willenbring*, University of Wisconsin  Milwaukee
(105820131) 
11:00 a.m.
Generalized Trace and Dimension Functions in Ribbon Categories.
Nathan Geer, Utah State University
Jonathan Kujawa*, University of Oklahoma
Bertrand PatureauMirand, Universite de BretagneSud
(105818122)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Geometric Flows, Moving Frames and Integrable Systems, I
Room 110, Humanities Building
Organizers:
Gloria MariBeffa, University of WisconsinMadison maribeff@math.wisc.edu
Peter Olver, University of Minnesota olver@math.umn.edu

9:00 a.m.
Algebra of Differential Invariants.
Evelyne Hubert*, INRIA Mediterannee
(105808137) 
9:30 a.m.
Symbolic Computation of Conservation Laws of Nonlinear Partial Differential Equations in Multiple Space Dimensions.
Willy A Hereman*, Colorado School of Mines
Loren Douglas Poole, Colorado School of Mines
(10583579) 
10:00 a.m.
Discussion 
10:30 a.m.
Linear stability of smallamplitude torus knot solutions of the Vortex Filament Equation.
Annalisa Calini*, Department of Mathematics, College of Charleston
Thomas Ivey, Department of Mathematics, College of Charleston
Scott Keith, Department of Mathematics, University of North Carolina at Chapel Hill
Stephane Lafortune, Department of Mathematics, College of Charleston
(105835217) 
11:00 a.m.
Solving Equivalence Problems with the Equivariant Moving Frame Method.
Francis Valiquette*, McGill University
(10585395)

9:00 a.m.

Saturday April 10, 2010, 9:00 a.m.10:25 a.m.
Session for Contributed Papers
Room 101, Olin Rice Hall

9:00 a.m.
On a Hankel transform integral.
Ibrahim A. Salehbhai*, S.V. National Institute of Technology, Surat395 007, INDIA
A. K. Shukla, S.V. National Institute of Technology, Surat395 007, INDIA
(10583340) 
9:15 a.m.
Generating relation for Laguerre type polynomial containing MittagLeffler function.
Jyotindra C Prajapati, Charotar University of Science and Technology, Changa, Anand388 421, India
Amitkumar Dilipbhai Patel*, S. V. National Institute of Technology, Surat395007, Gujarat, INDIA
Ajay K Shukla, S. V. National Institute of Technology, Surat395007, Gujarat, INDIA
(10583345) 
9:30 a.m.
Asymptotic analysis of the shape and composition of alloy islands in epitaxial solid films.
Mihaela Blanariu*, Columbia College Chicago, IL
B J Spencer, State University of New York at Buffalo, NY
(10587437) 
9:45 a.m.
Complemented Subspaces of Linear Bounded Operators.
Manijeh Bahreini, University of Isfahan, Iran
Elizabeth Bator, University of North Texas, TX
Ioana Ghenciu*, University of WisconsinRiver Falls
(10584634) 
10:00 a.m.
Necessary and Sufficient Conditions for KreinMilman Type Conclusions.
Jay Kangel*, Minneapolis, Minnesota
(10585228) 
10:15 a.m.
Calculus students: Learn from others' mistakes.
Semail Ulgen Yildirim*, Northwestern University
(10589732)

9:00 a.m.

Saturday April 10, 2010, 11:45 a.m.12:35 p.m.
Invited Address
Welcome Remarks by Kathleen M. Murray, Provost and Dean of the Faculty, and Georgia Benkart, AMS Associate Secretary
J. B. Davis Lecture Hall, Campus Center
Representations and cohomology of categories.
J. B. Davis Lecture Hall, Campus Center
Peter Webb*, University of Minnesota
(10581803) 
Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Physical Knotting and Linking and its Applications, II
Room 213, Humanities Building
Organizers:
Eric Rawdon, University of St. Thomas ejrawdon@stthomas.edu
Yuanan Diao, University of North Carolina at Charlotte yuanandiao@uncc.edu
Claus Ernst, Western Kentucky University claus.ernst@wku.edu

2:00 p.m.
Minimal step number of cubic lattice knots in thin slabs.
Robert G. Scharein*, San Francisco State University
(105855289) 
2:30 p.m.
DNA unknotting, topoisomerases and bacteriophages.
Mariel Vazquez*, San Francisco State University
Javier Arsuaga, San Francisco State University
Robert Scharein, San Francisco State Unviersity
(105892281) 
3:00 p.m.
DNA knotting in bacteriophage spooling like conformations.
Javier Arsuaga*, San Francisco State University
Yuanan Diao, University of North Carolina, Charlotte
(105892221) 
3:30 p.m.
Tangle analysis of proteinDNA complexes.
Isabel K. Darcy*, University of Iowa
(10589293) 
4:00 p.m.
On the square writhe of a minimal alternating knot diagram.
Yuanan Diao, UNCC
Claus Ernst*, WKU
Uta Ziegler, WKU
(105857173) 
4:30 p.m.
A Topological Model of ProteinMediated Localized DNA Transformations.
Dorothy Buck*, Imperial College London
Ken Baker, University of Miami
Andrew Lobb, MSRI and SUNYStony Brook
(10585739)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Hecke Algebras and Deformations in Geometry and Topology, II
Room 250, Olin Rice Hall
Organizers:
Matthew Douglass, University of North Texas douglass@unt.edu
Anne Shepler, University of North Texas ashepler@unt.edu

2:00 p.m.
Functors for unitary representations of real groups and affine Hecke algebras.
Dan Ciubotaru*, University of Utah
(10582273) 
2:30 p.m.
Localization of Cohomologically Induced Modules to Partial Flag Varieties.
S. N. Kitchen*, University of Utah
(105822181) 
3:00 p.m.
Unitary representations of the graded Hecke algebra of type $H_3$.
Cathy Kriloff*, Idaho State University
Yu Chen, Idaho State University
(105816288) 
3:30 p.m.
Green functions via hyperbolic localization.
Pramod N Achar*, Louisiana State University
(105820126) 
4:00 p.m.
Nonemptiness for affine DeligneLusztig varieties associated to dominant Weyl chambers.
Elizabeth T Beazley*, University of Michigan
(105820241) 
4:30 p.m.
Formal deformation quantizations of singular symplectically reduced spaces.
HansChristian Herbig, University of Aarhus, Denmark
Srikanth Iyengar, University of Nebraska at Lincoln
Markus J Pflaum*, Department of Mathematics, University of Colorado at Boulder
(10585383)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Pattern Formation in Biological Systems, II
Room 001, Old Main
Organizers:
Magdalena Skolarska, University of St. Thomas mastolarska@stthomas.edu
Chad Topaz, Macalester College ctopaz@macalester.edu

2:00 p.m.
Pattern formation of glioma cells (brain tumor) outside the tumor spheroid core.
Yangjin Kim*, University of Michigan
Avner Friedman, Mathematical Biosciences Institute, Ohio State University
Sean Lawler, Ohio State University
Michal Nowicki, Ohio State University
E. Antonio Chiocca, Ohio State University
(10583535) 
2:30 p.m.
A model of cellular movement and its effect on substrate traction patterns.
Magdalena A Stolarska*, University of St. Thomas
(10589296) 
3:00 p.m.
Robustness of Pattern Formation in Development.
Hans G. Othmer*, School of Mathematics, University of Minnesota
(105892105) 
3:30 p.m.
Forced patterns near a TuringHopf bifurcation.
Anne J Catlla*, Wofford College
Chad M Topaz, Macalester College
(105837234) 
4:00 p.m.
A cAMP Signaling Model Explains the Benefit of Maintaining Two Forms of Phosphodiesterase in {\it Dictyostelium}.
Eirikur Palsson*, Simon Fraser University, Burnaby, BC, Canada
(105892283) 
4:30 p.m.
A multicellular mathematical model for the initiation of geneexpression waves during somitogenesis.
Mark B Campanelli*, Montana State University
(105892247)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Fractals, Convolution Measures, and Frames, II
Room 112, Humanities Building
Organizers:
Keri Kornelson, University of Oklahoma kkornelson@math.ou.edu
Karen Shuman, Grinnell College shumank@math.grinnell.edu

2:00 p.m.
BiLipschitz equivalence of dustlike Cantor sets.
Yang Wang*, Michigan State University
(105842239) 
2:30 p.m.
Multifractal analyis for BedfordMcMullen carpets.
Thomas M Jordan*, The University of Bristol, UK
(105828107) 
3:00 p.m.
Fractals as Boundaries.
Erin P. J. Pearse*, University of Iowa
Palle E. T. Jorgensen, University of Iowa
(105837255) 
3:30 p.m.
Fractal Laplacians defined by iterated function systems with overlaps.
SzeMan Ngai*, Georgia Southern University
(105828112) 
4:00 p.m.
A Filterbased Construction for Fractal Wavelet Frames.
Jonas D'Andrea*, Westminster College
(105846290) 
4:30 p.m.
On the spectral operator for generalized fractal strings.
Hafedh Herichi*, University of California, Riverside
(10584656)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.5:00 p.m.
Special Session on Mathematical Developments in Cell and Systems Biology, II
Room 002, Old Main
Organizers:
Anastasios Matzavinos, Iowa State University tasos@iastate.edu
Nicoleta Eugenia Tarfulea, Purdue University Calumet ntarfule@calumet.purdue.edu

2:00 p.m.
Stochastic Model for Spatial Epidemics: Quadratic Contact Process.
Jim Evans*, Iowa State University
DaJiang Liu, Ames Laboratory  USDOE
Xiaofang Guo, Iowa State University
(105882162) 
3:00 p.m.
Mixed Mode Oscillations in a Neuroendocrine Cell Model.
Sayanti Banerjee, Ohio State University
Janet Best*, Ohio State University
Jung Eun Kim, Ohio State University
(105892286) 
4:00 p.m.
A hyperbolic system of conservation laws for fluid flows through compliant axisymmetric vessels.
GuiQiang Chen, Northwestern University
Weihua Ruan*, Purdue University Calumet
(105835185) 
4:30 p.m.
Semigroup Analysis of Structured Parasite Populations.
Peter Hinow*, University of Wisconsin  Milwaukee
(10583554)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Differential Equations and Applications, II
Room 009, Old Main
Organizers:
Nicolai Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu
Catalin Turc, Case Western Reserve University catalin.turc@case.edu

2:00 p.m.
Flux and slope limiters for finite element approximations to convectiondominated transport equations.
Dmitri Kuzmin*, University of Houston
(10583552) 
2:30 p.m.
An approximate Greenfunction algorithm for solving FokkerPlanck equations.
Anna L Mazzucato*, Pennsylvania State University
Wen Cheng, Pennsylvania State University
Nicola D Costanzino, Pennsylvania State University
Victor Nistor, Pennsylvania State University
(105835250) 
3:00 p.m.
Numerical methods for fully nonlinear elliptic equations.
Gerard Awanou*, Northern Illinois University
(105865197) 
3:30 p.m.
Some numerical methods for shell models.
Sheng Zhang*, Wayne State University, Detroit, Michigan
(105865257) 
4:00 p.m.
Modeling and numerical simulations of immiscible multiphase fluids.
James Brannick*, Penn State University
(105835292) 
4:30 p.m.
The FEM for axisymmetric elliptic PDEs.
Hengguang Li*, Department of Mathematics, Syracuse University
(105865266)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:20 p.m.
Special Session on Applications of a Geometric Approach to Chaotic Dynamics, II
Room 010, Old Main
Organizers:
Evelyn Sander, George Mason University esander@gmu.edu
Judy Kennedy, Lamar University kennedy9905@gmail.com
James Yorke, University of Maryland yorke@umd.edu

2:00 p.m.
Comparing the period doubling cascades of two maps.
James A Yorke*, University of Maryland
(105837143) 
2:30 p.m.
Entropy Efficiency of Braids.
Philip Boyland*, University of Florida
(105837176) 
3:00 p.m.
Applications of KAM theory to population dynamics.
Marian Gidea*, Northeastern Illinois University
James Meiss, University of Colorado at Boulder
Ilie Ugarcovici, DePaul University
Howard Weiss, Georgia Institute of Technology
(105837172) 
3:30 p.m.
Exact topological entropy for some nonhyperbolic maps.
JeanLuc Thiffeault*, University of Wisconsin  Madison
Sarah E. Matz, University of Wisconsin  Madison
Kevin A. Mitchell, University of California, Merced
(105837132) 
4:00 p.m.
Discussion

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Quantum Invariants of 3manifolds and Modular Categories, II
Room 226, Humanities Building
Organizers:
Thang Le, Georgia Institute of Technology letu@math.gatech.edu
Eric Rowell, Texas A&M University rowell@math.tamu.edu
Vladimir Touraev, Indiana University vtouraev@indiana.edu

2:00 p.m.
Topological Quantum Information, Khovanov Homology and the Jones Polynomial.
Louis H. Kauffman*, University of Illinois at Chicago
(105857212) 
2:30 p.m.
Polynomial 6jSymbols and States Sums on Triangulated 3Manifolds.
Nathan Geer*, Utah State University
Bertrand Patureau, Université de BretagneSud
(105857155) 
3:00 p.m.
The Integrality of the Quantum SU(2) Invariant of 3manifolds.
Qi Chen*, Department of Mathematics, WinstonSalem State University
(10585771) 
3:30 p.m.
Colored $\mathfrak{sl}(N)$homology for links and its deformations.
Hao Wu*, George Washington University
(105857154) 
4:00 p.m.
Categorical Quandles and Knots.
J. Scott Carter*, University of South Alabama
Alissa Crans, Loyola University Marymount
Mohamed Elhamdadi, University of South Florida
Masahico Saito, University of South Florida
(105855128) 
4:30 p.m.
The second quandle homology of odd Takasaki quandles and exterior algebra.
Maciej Niebrzydowski, U.L. at Lafayette
Jozef H. Przytycki*, George Washington University and U.T. at Dallas
(105857139)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Probabilistic and Extremal Combinatorics, II
Room 150, Olin Rice Hall
Organizers:
Ryan Martin, Iowa State University rymartin@iastate.edu
Maria Axenovich, Iowa State University axenovic@iastate.edu

2:00 p.m.
Fractional Chromatic Number of Trianglefree Graphs with $\Delta\leq 3$.
Linyuan Lu*, University of South Carolina
Xing Peng, University of South Carolina
(105805261) 
2:30 p.m.
The Steiner problem in the hypercube.
Tao Jiang, Miami University
Zevi Miller, Miami University
Dan Pritikin*, Miami University
(105805158) 
3:00 p.m.
An Extremal Characterization of Projective Planes.
Felix Lazebnik*, University of Delaware
Stefaan De Winter, Department of Mathematics and Computer Algebra, Gent University
Jacques Verstraëte, Department of Mathematics, UCSD
(105805280) 
3:30 p.m.
Set systems without a strong simplex.
Tao Jiang*, Miami University
Oleg Pikhurko, Carnegie Mellon University
Zelealem Yilma, Carnegie Mellon University
(105805103) 
4:00 p.m.
The Lubell function and $H$free families of subsets.
Jerrold R. Griggs*, University of South Carolina
WeiTian Li, University of South Carolina
Linyuan Lu, University of South Carolina
(105805284) 
4:30 p.m.
On the Size of Maximal Antichains and the Number of Pairwise Disjoint Maximal Chains.
William T Trotter*, Georgia Institute of Technology
David M Howard, Georgia Institute of Technology
(10580560)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Combinatorial Representation Theory, II
Room 241, Olin Rice Hall
Organizers:
Tom Halverson, Macalester College halverson@macalester.edu
Victor Reiner, University of Minnesota reiner@math.umn.edu

2:00 p.m.
A simple construction of the irreducible webs in the spider for $\mathfrak{sl}_3$.
Julianna Tymoczko*, University of Iowa
(10580566) 
2:30 p.m.
The cluster and dual canonical bases of $\mathbb{Z}[x_{11}, ... , x_{33}]$ are equal.
Brendon Rhoades*, MIT
(105805258) 
3:00 p.m.
Exceptional sequences and rational invariants for quivers.
Calin Ioan Chindris*, University of Iowa
(105816248) 
3:30 p.m.
A Cambrian approach to cluster algebras.
Nathan Reading*, North Carolina State University
David Speyer, MIT
(105805278) 
4:00 p.m.
Non commutative rank 2 cluster algebras and the Kontsevich conjecture.
Philippe Di Francesco, CEA/Saclay, France
Rinat Kedem*, University of Illinois at UrbanaChampaign
(10580585) 
4:30 p.m.
Representation Types of Finite EICategories.
Liping Li*, University of Minnesota, Twin Citeis
(10581643)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:20 p.m.
Special Session on Universal Algebra and Order, II
Room 301, Olin Rice Hall
Organizers:
Jeffrey Olson, Norwich University jolson@norwich.edu
Jeremy Alm, Illinois College alm.academic@gmail.com
Kristi Meyer, Wisconsin Lutheran College kristi.meyer@wlc.edu
Japheth Wood, Bard College jwood@bard.edu

2:00 p.m.
Approximate satisfaction of equations.
Walter Taylor*, Professor Emeritus, University of Colorado, Boulder
(10580823) 
2:30 p.m.
CSP Dichotomy for Idempotent, Right Quasigroups.
Robert McGrail*, Bard College
James Belk, Bard College
Japheth Wood, Bard College
(10580826) 
3:00 p.m.
Pattern operations, strict pattern operations, and varieties.
Joel Berman*, University of Illinois at Chicago
(10580815) 
3:30 p.m.
On fully invariant and verbal congruences.
Clifford Bergman*, Iowa State University
Joel David Berman, University of Illinois at Chicago
(10580812) 
4:00 p.m.
A Dozen Easy Problems.
George F. McNulty*, University of South Carolina
(10580816)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Commutative Ring Theory, II
Room 353, Olin Rice Hall
Organizers:
Michael Axtell, University of St. Thomas maxtell@stthomas.edu
Joe Stickles, Millikin University jstickles@millikin.edu

2:00 p.m.
The partially ordered set of prime ideals in a twodimensional Noetherian domain.
Roger A. Wiegand*, University of Nebraska
Sylvia M. Wiegand, University of Nebraska
(105813168) 
2:30 p.m.
Integral domains which admit only finitely many star operations.
Evan Houston*, UNC Charlotte
Abdeslam Mimouni, King Faud University of Petroleum & Minerals
Mi Hee Park, ChungAng University
(105813264) 
3:00 p.m.
Topology and integervalued polynomials on valuation domains.
K Alan Loper*, Ohio State University
(105813260) 
3:30 p.m.
On CohenKaplansky Domains.
Jim Coykendall*, North Dakota State University
Chris Spicer, Morningside College
(105813219) 
4:00 p.m.
Embedding dimension, multiplicity and CohenMacaulayness of subintegral extensions of local Noetherian domains.
Bruce Olberding*, New Mexico State University
(105813240) 
4:30 p.m.
Nonunique factorization, CohenKaplansky Domains, and the invariant \overline{\Lambda}(R).
Jason Laska*, University of Tennessee
(10581370)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:20 p.m.
Special Session on Partition Theory and the Combinatorics of Symmetric Functions, II
Room 350, Olin Rice Hall
Organizers:
Eric S. Egge, Carleton College eegge@carleton.edu
Kristina Garrett, St. Olaf College garrettk@stolaf.edu

2:00 p.m.
q,t Counting Dyck Paths with Forced and Forbidden Touch Points.
Mike Zabrocki*, Mathematics and Statistics Dept, York University
(105805171) 
2:30 p.m.
Hall Littlewood operators in the Theory of Parking Functions.
Adriano M. Garsia*, UCSD
Guoce Xin, Nankai University
Mike Zabrocki, York University
(105805138) 
3:00 p.m.
Two Bijections in the Theory of Parking Functions.
Angela Hicks*, University of California San Diego
(105805231) 
3:30 p.m.
From Macdonald polynomials to a charge statistic in classical Lie types.
Cristian Lenart*, State University of New York at Albany
(105805265) 
4:00 p.m.
Jeu de taquin for increasing tableaux.
Alexander Yong*, University of Illinois at UrbanaChampaign
(10580561)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Cohomology and Representation Theory of Algebraic Groups and Related Structures, II
Room 243, Olin Rice Hall
Organizers:
Christopher Bendel, University of WisconsinStout bendelc@uwstout.edu
Bobbe Cooper, University of Minnesota bcooper@math.umn.edu
Terrell Hodge, Western Michigan University terrell.hodge@wmich.edu

2:00 p.m.
Factoring tilting modules for algebraic groups.
Stephen Doty*, Loyola University Chicago
(105820200) 
2:30 p.m.
Ext and Donkin's tilting module conjecture.
Leonard L Scott*, University of Virginia Department of Mathematics
(105820263) 
3:00 p.m.
Soergel's character formula for tilting modules via derived equivalences.
Rahbar Virk*, University of Wisconsin, Madison
(105822238) 
3:30 p.m.
Killing Forms of Isotropic Lie Algebras.
Audrey Malagon*, Mercer University
(105817198) 
4:00 p.m.
Nilpotent Orbit Theory and Infinitesimal Blocks of the Parabolic Category $\mathcal{O}_S$.
Kenyon J Platt*, Brigham Young University
Bobbe J Cooper, University of Minnesota
(105817149) 
4:30 p.m.
Complexity of KazhdanLusztig polynomials and Koszul structures.
Brian Parshall*, Dept. of Mathematics/ University of Virginia
Leonard Scott, Dept. of Mathematics/University of Virginia
(105820206)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Geometric Flows, Moving Frames and Integrable Systems, II
Room 110, Humanities Building
Organizers:
Gloria MariBeffa, University of WisconsinMadison maribeff@math.wisc.edu
Peter Olver, University of Minnesota olver@math.umn.edu

2:00 p.m.
Integrable curve flows in flat space.
ChuuLian Terng*, Department of Mathematics, University of California, Irvine
Gudlaugur Thorbergsson, Mathematisches Institut der Universität zu Köln Weyertal , Germany
(105853193) 
3:00 p.m.
Discussion 
3:30 p.m.
Integrable Curve Flows in CentroAffine Space.
Annalisa Calini, College of Charleston
Thomas Ivey*, College of Charleston
Gloria Marí Beffa, University of Wisconsin, Madison
(105835124) 
4:00 p.m.
BiHamiltonian geometric curve flows in semisimple Klein geometries.
Stephen Anco*, Department of Mathematics, Brock University
(105835256) 
4:30 p.m.
The Light Cone and the Conformal Sphere: Differential Invariants and their Relations.
Theresa C Anderson*, University of WisconsinMadison
(105853102)

2:00 p.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Matrices and Graphs, II
Room 100, Olin Rice Hall
Organizers:
Luz M. DeAlba, Drake University luz.dealba@drake.edu
Adam Berliner, St. Olaf College berliner@stolaf.edu
Leslie Hogben, Iowa State University lhogben@iastate.edu
InJae Kim, Minnesota State University injae.kim@mnsu.edu

2:00 p.m.
Zero Forcing Numbers for Graphs.
Seth A. Meyer*, University of Wisconsin  Madison
(105805192) 
2:30 p.m.
Results for improving computation of zero forcing number.
Darren D. Row*, Iowa State University
(105815130) 
3:00 p.m.
Computation of Minimum Rank.
Jason Grout*, Drake University
Laura DeLoss, DMACC
Leslie Hogben, Iowa State University
Tracy McKay, Iowa State University
Jason Smith, Iowa State University
Geoff Tims, Iowa State University
H. Tracy Hall, Provo, UT
Josh Lagrange, Iowa State University
(105815242) 
3:30 p.m.
(0,1)Matrices and Nonnegative Eigenvalues.
Richard A Brualdi*, University of WisconsinMadison
(10581547) 
4:00 p.m.
Acyclic matrices with a small number of distinct eigenvalues.
Reshmi Nair*, University of Wyoming
Bryan Shader, University of Wyoming
(10580564) 
4:30 p.m.
Symmetric Hamilton Cycle Decompositions of Graphs.
Michael William Schroeder*, University of Wisconsin  Madison
Richard A Brualdi, University of Wisconsin  Madison
(105805293)

2:00 p.m.

Saturday April 10, 2010, 5:05 p.m.5:55 p.m.
Invited Address
Fluctuations versus spatial variation in the competition between fast and slow dispersers.
J. B. Davis Lecture Hall, Campus Center
Charles Doering*, University of Michigan
(10589201) 
Saturday April 10, 2010, 6:00 p.m.7:30 p.m.
Macalester College Department of Mathematics Reception
Smail Gallery, Olin Rice Hall
Inquiries: meet@ams.org