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AMS Sectional Meeting Program by Day
Current as of Saturday, April 4, 2009 00:27:23
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Inquiries: meet@ams.org
2009 Spring Central Sectional Meeting
Urbana, IL, March 27-29, 2009 (Friday - Sunday)
Meeting #1047
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Saturday March 28, 2009
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Saturday March 28, 2009, 7:30 a.m.-4:00 p.m.
Meeting Registration
Room 321 (Math Dept Common Room), Altgeld Hall
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Saturday March 28, 2009, 7:30 a.m.-4:00 p.m.
Exhibit and Book Sale
Math Library (2nd Floor), Altgeld Hall
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Saturday March 28, 2009, 8:00 a.m.-10:50 a.m.
Special Session on Algebra, Geometry and Combinatorics, I
Room 217, Noyes Lab
Organizers:
Rinat Kedem, University of Illinois at Urbana-Champaign rinat@uiuc.edu
Alexander T. Yong, University of Illinois at Urbana-Champaign ayong@uiuc.edu
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Saturday March 28, 2009, 8:00 a.m.-11:20 a.m.
Special Session on Nonlinear Partial Differential Equations and Applications, I
room 241, Altgeld Hall
Organizers:
Igor Kukavica, University of Southern California kukavica@usc.edu
Anna L. Mazzucato, Pennsylvania State University mazzucat@math.psu.edu
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8:00 a.m.
Regularity of solutions for the critical N-dimensional Burgers' equation.
Chi Hin Chan*, The University of Texas at Austin. Department of Mathematics
Magdalena Czubak, University of Toronto. Department of Mathematics
(1047-35-403)
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8:30 a.m.
Exterior Boundary-Value Problem with Application in General Relativity.
Nicolae Tarfulea*, Purdue University Calumet
(1047-35-386)
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9:00 a.m.
Instantaneous boundary-tangency of singularity curves in compressible fluid flow.
David Hoff*, Department of Mathematics/Indiana University
Misha Perepelitsa, Department of Mathematics/Vanderbilt University
(1047-35-59)
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9:30 a.m.
Vanishing viscosity in the plane for nondecaying initial vorticity.
Elaine Cozzi*, Carnegie Mellon University
(1047-76-466)
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10:00 a.m.
On the maximal enstrophy growth rate for solutions to the 3D Navier-Stokes equations.
Alexey Cheskidov*, University of Illinois at Chicago
(1047-35-492)
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10:30 a.m.
The Domain of Analyticity of Solutions to the Three-Dimensional Euler Equations.
Igor Kukavica, University of Southern California
Vlad Vicol*, University of Southern California
(1047-35-308)
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11:00 a.m.
Time-Periodic Interfacial Fluid Flows.
David M Ambrose*, Drexel University
(1047-35-351)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Complex Dynamics and Value Distribution, II
Room 441, Altgeld Hall
Organizers:
Aimo Hinkkanen, University of Illinois at Urbana-Champaign aimo@uiuc.edu
Joseph B. Miles, University of Illinois at Urbana-Champaign joe@math.uiuc.edu
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Saturday March 28, 2009, 8:30 a.m.-11:15 a.m.
Special Session on Topological Field Theories, Representation Theory, and Algebraic Geometry, II
Room 347, Altgeld Hall
Organizers:
Thomas Nevins, University of Illinois at Urbana-Champaign nevins@uiuc.edu
David Ben-Zvi, University of Texas at Austin benzvi@math.utexas.edu
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Local and Homological Methods in Commutative Algebra, II
Room 165, Noyes Lab
Organizers:
Florian Enescu, Georgia State University fenescu@gsu.edu
Sandra Spiroff, University of Mississippi spiroff@olemiss.edu
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8:30 a.m.
Monomial c-sequences.
Hamid Kulosman*, University of Louisville
(1047-13-338)
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9:00 a.m.
Asymptotic Growth of Algebras Associated to Powers of Ideals.
S Dale Cutkosky*, University of Missouri
Juergen Herzog, University of Duisburg-Essen
Hema Srinivasan, University of Missouri
(1047-13-379)
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9:30 a.m.
3-Standardness of the Maximal Ideal.
H. Ananthnarayan*, University of Kansas
(1047-13-272)
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10:00 a.m.
Uniform equivalence of symbolic and adic topologies.
C. Huneke, University of Kansas
D. Katz*, University of Kansas
J. Validashti, University of Kansas
(1047-01-159)
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10:30 a.m.
Relative Multiplicities of Graded Algebras.
Javid Validashti*, The University of Kansas
(1047-13-122)
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11:00 a.m.
Hilbert-Kunz Functions without the Normal Condition.
C-Y. Jean Chan*, Central Michigan University
(1047-13-337)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Time, Scale and Frequency Methods in Harmonic Analysis, II
Room 141, Altgeld Hall
Organizers:
Richard S. Laugesen, University of Illinois at Urbana-Champaign Laugesen@illinois.edu
Darrin M. Speegle, St. Louis University speegled@slu.edu
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8:30 a.m.
The trivial intersection property of generalized multiresolution analyses.
Veronika Furst*, Fort Lewis College
(1047-43-330)
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9:00 a.m.
Notions of equivalence of generalized multiresolution analyses.
Judith A Packer*, University of Colorado at Boulder
(1047-42-453)
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9:30 a.m.
Biorthogonal Wavelets with 6-fold Axial Symmetry for Hexagonal Data and Triangle Surface Multiresolution Processing.
Qingtang Jiang*, University of Missouri - St. Louis
(1047-42-274)
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10:00 a.m.
Fast computation of spectral centroids.
Matthew Fickus*, Air Force Institute of Technology
Melody L. Massar, Air Force Institute of Technology
(1047-42-13)
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10:30 a.m.
Kaczmarz algorithms and frames.
Wojciech Czaja*, University of Maryland, College Park
James H. Tanis, University of Maryland, College Park
(1047-43-491)
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11:00 a.m.
Wiener's Lemma and memory localization.
Ilya A Krishtal*, Northern Illinois University
(1047-43-295)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Differential Geometry and Its Applications, II
Room 341, Altgeld Hall
Organizers:
Stephanie B. Alexander, University of Illinois at Urbana-Champaign stephanieb.alexander@gmail.com
Jianguo Cao, University of Notre Dame cao.7@nd.edu
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on The Interface Between Number Theory and Dynamical Systems, II
Room 245, Altgeld Hall
Organizers:
Florin Boca, University of Illinois at Urbana-Champaign fboca@math.uiuc.edu
Jeffrey Lagarias, University of Michigan lagarias@umich.edu
Kenneth Stolarsky, University of Illinois at Urbana-Champaign stolarsk@math.uiuc.edu
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on q-Series and Partitions, II
Room 147, Altgeld Hall
Organizers:
Bruce Berndt, University of Illinois at Urbana-Champaign berndt@math.uiuc.edu
Ae Ja Yee, Pennsylvania State University yee@math.psu.edu
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8:30 a.m.
Generalized Borcherds products and Ramanujan's mock theta function $\omega(q)$.
Ken Ono*, U. Wisconsin, Madison
(1047-11-87)
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9:00 a.m.
Multiplicative q-hypergeometric series arising from real quadratic fields.
Kathrin Bringmann*, University of Cologne
(1047-05-310)
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9:30 a.m.
Asymptotics for cranks and ranks of partitions.
Karl Mahlburg*, Massachusetts Institute of Technology
Kathrin Bringmann, University of Cologne, Germany
Rob Rhoades, Ecole Polytechnique Federale de Lausanne, Switzerland
(1047-11-251)
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10:00 a.m.
Asymptotics and transformations of some Mordell integrals.
Richard J. McIntosh*, University of Regina, Saskatchewan, Canada
(1047-11-250)
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10:30 a.m.
Partition identities that arise from the universal mock theta functions.
Soon-Yi Kang*, Korea Advanced Institute of Science and Technology
(1047-11-433)
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11:00 a.m.
Applications of differential equations for {E}isenstein series on level two subgroups of the modular group.
Tim Huber*, Iowa State University
(1047-11-396)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Concrete Aspects of Real Positive Polynomials, II
Room 162, Noyes Lab
Organizers:
Victoria Powers, Emory University vicki@mathcs.emory.edu
Bruce Reznick, University of Illinois at Urbana-Champaign reznick@illinois.edu
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8:30 a.m.
Polynomials non-negative on the strip.
Murray A. Marshall*, Department of Mathematics and Statistics, University of Saskatchewan
(1047-14-60)
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9:00 a.m.
Positivity in power series rings.
Salma Kuhlmann*, University of Saskatchewan, Canada
J. Cimpric, University of Ljubljana, Slovenia
M. Marshall, University of Saskatchewan
(1047-12-331)
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9:30 a.m.
Cubic Column Relations in Truncated Moment Problems.
Raúl E Curto*, The University of Iowa
(1047-47-427)
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10:00 a.m.
A new, simpler finitary construction of the real closure of a discrete ordered field.
Charles N. Delzell*, Louisiana State University
(1047-12-428)
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10:30 a.m.
Pólya's Theorem with Zeros.
Mari F. Castle*, Kennesaw State University
Victoria Powers, Emory University
Bruce Reznick, University of Illinois, Urbana
(1047-14-381)
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11:00 a.m.
Pólya's Theorem, Applications and Generalizations.
Victoria Powers*, Emory University
(1047-14-344)
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Saturday March 28, 2009, 8:30 a.m.-10:50 a.m.
Special Session on The Logic and Combinatorics of Algebraic Structures, II
Room 203, Noyes Lab
Organizers:
John Snow, Concordia University john.snow@cune.edu
Jeremy Alm, Illinois College alm.academic@gmail.com
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8:30 a.m.
Affine complete $G$-sets.
Peter Mayr*, JKU Linz, Austria
Andras Pongracz, Eotvos Lorand University
(1047-08-40)
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9:00 a.m.
The Grothendieck semiring of the group of complex roots of unity.
Vinicius Cifu Lopes*, Department of Mathematics, University of Illinois at Urbana-Champaign
(1047-03-29)
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9:30 a.m.
Categorical Equivalence of Unary Algebras.
Clifford Bergman*, Iowa State University, Department of Mathematics
(1047-08-109)
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10:00 a.m.
Free algebras and hereditarily closed families.
Joel Berman*, University of Illinois at Chicago
(1047-08-145)
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10:30 a.m.
Residually finite varieties.
Keith A. Kearnes*, University of Colorado
Ross D. Willard, University of Waterloo
(1047-08-57)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Graph Theory, II
Room 161, Noyes Lab
Organizers:
Alexander V. Kostochka, University of Illinois at Urbana-Champaign kostochk@math.uiuc.edu
Douglas B. West, University of Illinois at Urbana-Champaign west@math.uiuc.edu
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8:30 a.m.
Injective colorings of sparse graphs.
Daniel W Cranston*, DIMACS, Rutgers
Seog-Jin Kim, Konkuk University, Seoul, Korea
Gexin Yu, College of William & Mary, Williamsburg, VA
(1047-05-154)
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9:00 a.m.
k-fold list colorings with Hall's condition.
Jeno Lehel*, The University of Memphis
(1047-05-473)
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9:30 a.m.
The rank-chromatic number and the rank-flow number.
Luis A Goddyn*, Simon Fraser University
(1047-05-414)
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10:00 a.m.
Graph Packing, Game Coloring and $2$-Coloring Number.
H. A. Kierstead*, Arizona State University
A. V. Kostochka, University of Illinois, Urbana and Institute of Mathematics, Novosibirsk
(1047-05-401)
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10:30 a.m.
On Saturation Numbers.
Ronald J. Gould*, Emory University, Atlanta, GA 30322
(1047-05-101)
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11:00 a.m.
Saturation Numbers.
Ralph Faudree*, University of Memphis
(1047-05-52)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Probabilistic and Extremal Combinatorics, II
Organizers:
Jozsef Balogh, University of Illinois at Urbana-Champaign jobal@math.uiuc.edu
Zoltan Furedi, University of Illinois at Urbana-Champaign z-furedi@math.uiuc.edu
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8:30 a.m.
Extremal problems for multipartite graphs.
Rahil Baber, University College London
J Robert Johnson, Queen Marys University of London
John Talbot*, University College London
(1047-05-260)
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9:00 a.m.
On Avoider-Enforcer games.
József Balogh, University of Illinois, Urbana-Champaign
Ryan Martin*, Iowa State University
(1047-05-256)
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9:30 a.m.
Bilinear and Quadratic Variants on the Littlewood-Offord Problem.
Kevin P Costello*, Georgia Institute of Technology
(1047-05-441)
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10:00 a.m.
Optimal Random Matchings on Trees and Applications.
Bela Csaba*, Dept. of Mathematics, Western Kentucky University
Ali Shokoufandeh, Dept. of Computer Science, Drexel University
Jeff Abrahamson, Dept. of Computer Science, Drexel University
(1047-05-266)
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10:30 a.m.
Extremal problems for counting homomorphisms.
Jonathan Cutler*, Montclair State University
A. J. Radcliffe, University of Nebraska-Lincoln
(1047-05-276)
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11:00 a.m.
A simple entropy proof of the Kahn-Lovasz theorem.
Andrew J. Radcliffe*, University of Nebraska-Lincoln
Jonathan Cutler, Montclair State University
(1047-05-245)
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Geometric Function Theory and Analysis on Metric Spaces, II
Room 447, Altgeld Hall
Organizers:
Sergiy Merenkov, University of Illinois at Urbana-Champaign merenkov@uiuc.edu
Jeremy Taylor Tyson, University of Illinois at Urbana-Champaign tyson@math.uiuc.edu
Jang-Mei Wu, University of Illinois at Urbana-Champaign wu@math.uiuc.edu
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Saturday March 28, 2009, 8:30 a.m.-11:20 a.m.
Special Session on Mathematical Visualization, II
Room 102, Altgeld Hall
Organizers:
George K. Francis, University of Illinois at Urbana-Champaign gfrancis@uiuc.edu
Louis H. Kauffman, University of Illinois at Chicago kauffman@uic.edu
Dennis Martin Roseman, University of Iowa roseman@math.uiowa.edu
Andrew J. Hanson, Indiana University hanson@cs.indiana.edu
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8:30 a.m.
Geometric Generation of Permutation Sequences.
Dennis M Roseman*, Department of Mathematics, University of Iowa
(1047-51-108)
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9:00 a.m.
Archytas of Tarentum: Savior to the Delians.
Colin B. P. McKinney*, University of Iowa
(1047-01-103)
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9:30 a.m.
Interactive Geometry Illustrations for Teaching, Research, and Publication.
Thomas F. Banchoff*, Brown University
Michael Schwarz, University of Illinois, Urbana
(1047-51-287)
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10:00 a.m.
An Explicit Eversion of the 2-sphere.
J Scott Carter*, University of South Alabama
(1047-57-78)
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10:30 a.m.
Stability of the Fold.
Herbert Edelsbrunner*, Duke University
(1047-51-85)
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11:00 a.m.
It's Nice To See This Stuff Actually Used For Something.
John C. Hart*, University of Illinois, Urbana
(1047-51-167)
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Saturday March 28, 2009, 8:30 a.m.-11:25 a.m.
Session on Session for Contributed Papers, II
Room 304, Noyes Lab
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8:30 a.m.
A Construction of an Infinite Family of 2-Arc Transitive Polygonal Graphs of Arbitrary Odd Girth.
Eric A. Swartz*, The Ohio State University
(1047-05-255)
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8:45 a.m.
Some useful operations and their applications.
Arman Shokrollahi*, Ramanujan Institute for Advanced Study in Mathematics
(1047-68-08)
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9:00 a.m.
Potentially $H$-bigraphic sequences.
John Roger Schmitt*, Middlebury College
Michael Ferrara, U. Akron
Michael Jacobson, U. Colorado, Denver
Mark Siggers, Simon Fraser U.
(1047-05-114)
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9:15 a.m.
Pfaffian Orientations in Cubic Polyhex Graphs on the Torus and the Klein Bottle.
Ye Dong*, West Virginia University
(1047-05-283)
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9:30 a.m.
A Characterization of Almost CIS Graphs.
Yezhou Wu*, West Virginia University
Wenan Zang, University of Hong Kong
Cun-Quan Zhang, West Virginia University
(1047-05-368)
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9:45 a.m.
On 2-local isometries on continuous vector-valued function spaces.
Hasan A Al-Halees*, Saginaw Valley State University
Richard J Fleming, Central Michigan University
(1047-47-36)
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10:00 a.m.
Boundedness on inhomogeneous Lipschitz spaces of fractional integrals, singular integrals and hypersingular integrals associated to non-doubling measures.
A. Eduardo Gatto*, DePaul University
(1047-28-55)
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10:15 a.m.
A More Accurate Pooled Standard Deviation.
Craig M. Browne*, Edgewood, New Mexico, USA
(1047-62-178)
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10:30 a.m.
Independence number of 2-factor-plus-triangles graphs.
Jennifer Vandenbussche*, Southern Polytechnic State University
Douglas B. West, University of Illinois at Urbana-Champaign
(1047-05-126)
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10:45 a.m.
Minimizing the number of episodes on a species tree - an extension of Gallai's theorem on intervals.
Eva Czabarka*, University of South Carolina
Laszlo A Szekely, University of South Carolina
Todd J Vision, University of North Carolina
(1047-05-191)
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11:00 a.m.
The sign of a permutation of a multiset and Lozanić's Triangle.
Stephen G. Hartke*, University of Nebraska-Lincoln
A. J. Radcliffe, University of Nebraska-Lincoln
Raghunath Tewari, University of Nebraska-Lincoln
(1047-05-378)
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11:15 a.m.
The n-Dimensional Pythagorean Theorem via the Divergence Theorem.
Noah H Rhee*, University of Missouri-Kansas City
Larry Eifler, University of Missouri-Kansas City
(1047-51-62)
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Saturday March 28, 2009, 9:00 a.m.-11:50 a.m.
Special Session on Number Theory in the Spirit of Erdos, II
Room 143, Altgeld Hall
Organizers:
Kevin Ford, University of Illinois at Urbana-Champaign ford@math.uiuc.edu
A. J. Hildebrand, University of Illinois at Urbana-Champaign hildebr@math.uiuc.edu
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Saturday March 28, 2009, 9:00 a.m.-11:20 a.m.
Special Session on Hyperbolic Geometry and Teichmuller Theory, II
Room 443, Altgeld Hall
Organizers:
Jason Deblois, University of Illinois at Chicago jdelbois@math.uic.edu
Richard P. Kent, IV, Brown University rpkfour@gmail.com
Christopher J. Leininger, University of Illinois at Urbana-Champaign clein@math.uiuc.edu
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9:00 a.m.
Moduli spaces of hyperbolic manifolds.
Richard Canary*, University of Michigan
Peter Storm, University of Pennsylvania
(1047-57-291)
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9:30 a.m.
Quasi-convexity of balls in Teichmueller space.
Anna B Lenzhen*, ANR Caen, France
Rafi Kasra, University of Oklahoma
(1047-51-349)
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10:00 a.m.
Rank of the fundamental group of hyperbolic mapping tori.
Ian Biringer, University of Chicago
Juan Souto*, University of Michigan
(1047-51-105)
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10:30 a.m.
Modular character varieties of knots.
Ben Klaff*, University of Illinois-Chicago
Peter B. Shalen, University of Illinois-Chicago
(1047-57-387)
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11:00 a.m.
Dynamics of Generalized Interval Exchanges.
Vaibhav Gadre*, Caltech
(1047-37-360)
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Saturday March 28, 2009, 9:00 a.m.-11:20 a.m.
Special Session on Geometric Group Theory, II
Room 445, Altgeld Hall
Organizers:
Sergei V. Ivanov, University of Illinois at Urbana-Champaign ivanov@math.uiuc.edu
Ilya Kapovich, University of Illinois at Urbana-Champaign kapovich@math.uiuc.edu
Igor Mineyev, University of Illinois at Urbana-Champaign mineyev@math.uiuc.edu
Paul E. Schupp, University of Illinois at Urbana-Champaign schupp@math.uiuc.edu
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Saturday March 28, 2009, 9:00 a.m.-10:55 a.m.
Special Session on Algebraic Methods in Statistics and Probability, II
Room 204, Noyes Lab
Organizers:
Marlos A. G. Viana, University of Illinois at Chicago viana@uic.edu
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9:00 a.m.
On Riesz and Wishart Distributions associated with decomposable undirected graphs.
Steen Andersson*, Indiana University
Thomas Klein, Zentrum Mathematik, Munich, Germany
(1047-62-115)
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9:30 a.m.
Some results on connectivity of fibers with a subset of a Markov basis.
Akimichi Takemura*, Graduate School of Information Science and Technology, University of Tokyo
Hisayuki Hara, Department of Technology Management for Innovation, University of Tokyo
(1047-62-50)
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10:00 a.m.
Maximal Invariants Over Symmetric Cones.
Ahmad Saeid Yasamin*, Statistical and Applied Mathematical Sciences Institute
(1047-62-27)
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10:30 a.m.
Smoothness of Gaussian conditional independence models.
Mathias Drton, University of Chicago
Han Xiao*, University of Chicago
(1047-62-188)
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Saturday March 28, 2009, 9:00 a.m.-11:20 a.m.
Special Session on Operator Algebras and Operator Spaces, II
Room 145, Altgeld Hall
Organizers:
Zhong-Jin Ruan, University of Illinois at Urbana-Champaign ruan@math.uiuc.edu
Florin P. Boca, University of Illinois at Urbana-Champaign fboca@math.uiuc.edu
Marius Junge, University of Illinois at Urbana-Champaign junge@math.uiuc.edu
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Saturday March 28, 2009, 9:00 a.m.-11:25 a.m.
Special Session on Holomorphic and CR Mappings, II
Room 343, Altgeld Hall
Organizers:
John P. D'Angelo, University of Illinois at Urbana-Champaign jpda@math.uiuc.edu
Jiri Lebl, University of Illinois at Urbana-Champaign jlebl@math.uiuc.edu
Alex Tumanov, University of Illinois at Urbana-Champaign tumanov@math.uiuc.edu
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8:30 a.m.
A note on the weak holomorphicity and analyticity of distributions.
Chia-chi Tung*, Minnesota State University, Mankato
(1047-32-450)
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9:00 a.m.
Sharp Estimates for the $\bar{\partial}$-Neumann Problem on Regular Coordinate Domains.
Jae-seong Cho*, Department of Mathematics, Purdue University
(1047-32-270)
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9:30 a.m.
Examples of sharp subelliptic estimates for the $\bar{\partial}-$Neumann problem.
David W. Catlin*, Purdue University
(1047-32-361)
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10:00 a.m.
Bergman versus Szegö via conformal mapping.
Kenneth D Koenig*, Ohio State University
Loredana Lanzani, University of Arkansas
(1047-30-143)
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10:30 a.m.
Cauchy-Fantappié singular integrals for strongly pseudoconvex domains of class $C^2$.
Loredana Lanzani*, University of Arkansas
Elias M. Stein, Princeton University
(1047-32-243)
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11:00 a.m.
Duality between Hardy spaces on dual domains in complex projective space.
David E Barrett*, University of Michigan
(1047-32-363)
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Saturday March 28, 2009, 9:30 a.m.-11:20 a.m.
Special Session on Topological Dynamics and Ergodic Theory, II
Room 345, Altgeld Hall
Organizers:
Alica Miller, University of Louisville amiller@erdos.math.louisville.edu
Joseph Rosenblatt, University of Illinois at Urbana-Champaign rosnbltt@math.uiuc.edu
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Saturday March 28, 2009, 11:40 a.m.-12:30 p.m.
Invited Address
Complex interpolation between Hilbert, Banach and operator spaces.
Room 314, Altgeld Hall
Gilles Pisier*, Texas A&M University
(1047-00-02)
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Saturday March 28, 2009, 2:00 p.m.-2:50 p.m.
Invited Address
On the classification of topological field theories.
Room 314, Altgeld Hall
Jacob Lurie*, Massachusetts Institute of Technology
(1047-55-03)
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Saturday March 28, 2009, 3:00 p.m.-5:50 p.m.
Special Session on Algebra, Geometry and Combinatorics, II
Room 217, Noyes Lab
Organizers:
Rinat Kedem, University of Illinois at Urbana-Champaign rinat@uiuc.edu
Alexander T. Yong, University of Illinois at Urbana-Champaign ayong@uiuc.edu
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3:00 p.m.
The geometry and combinatorics of some special subvarieties of the flag variety.
Julianna Tymoczko*, University of Iowa
(1047-14-470)
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3:30 p.m.
Cluster fans for quivers.
Calin Ioan Chindris*, University of Iowa
(1047-16-177)
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4:00 p.m.
Poisson Geometry of Directed Networks.
Michael Gekhtman*, University of Notre Dame
Michael Shapiro, Michigan State University
Alek Vainshtein, University of Haifa
(1047-05-181)
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4:30 p.m.
Higher Auslander algebras, cyclic polytopes, and analogues of tropical cluster algebras.
Steffen Oppermann, Norges teknisk-naturvitenskapelige universitet
Hugh Thomas*, University of New Brunswick
(1047-16-384)
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5:00 p.m.
Positivity results for cluster algebras.
Gregg Musiker, MIT
Ralf Schiffler, University of Connecticut
Lauren Williams*, Harvard University
(1047-05-412)
-
5:30 p.m.
Q-systems and Cluster Positivity.
Philippe R Di Francesco*, Institut de Physique Theorique, CEA Saclay, France
(1047-05-267)
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Saturday March 28, 2009, 3:00 p.m.-4:45 p.m.
Special Session on Topological Field Theories, Representation Theory, and Algebraic Geometry, III
Room 347, Altgeld Hall
Organizers:
Thomas Nevins, University of Illinois at Urbana-Champaign nevins@uiuc.edu
David Ben-Zvi, University of Texas at Austin benzvi@math.utexas.edu
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Local and Homological Methods in Commutative Algebra, III
Room 165, Noyes Lab
Organizers:
Florian Enescu, Georgia State University fenescu@gsu.edu
Sandra Spiroff, University of Mississippi spiroff@olemiss.edu
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Number Theory in the Spirit of Erdos, III
Room 143, Altgeld Hall
Organizers:
Kevin Ford, University of Illinois at Urbana-Champaign ford@math.uiuc.edu
A. J. Hildebrand, University of Illinois at Urbana-Champaign hildebr@math.uiuc.edu
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3:00 p.m.
Open Problems on Covering Systems.
Michael Filaseta*, University of South Carolina
(1047-11-286)
-
3:30 p.m.
Covering systems old and new.
Pace P. Nielsen*, The University of Iowa
(1047-11-359)
-
4:00 p.m.
On sequences of integers no one of which divides the product of three others.
Tsz Ho Chan*, University of Memphis
Ervin Gyory, Renyi Institute
Andras Sarkozy, Eotvos Lorand University
(1047-11-46)
-
4:30 p.m.
Sets with Integral Distance in Finite Fields.
Alex Iosevich, University of Missouri, Columbia, MO
Igor Shparlinski, Dept. Computing, Macquarie University, Sydney, Australia
Maosheng Xiong*, Pennsylvania State University
(1047-11-257)
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Time, Scale and Frequency Methods in Harmonic Analysis, III
Room 141, Altgeld Hall
Organizers:
Richard S. Laugesen, University of Illinois at Urbana-Champaign Laugesen@illinois.edu
Darrin M. Speegle, St. Louis University speegled@slu.edu
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Differential Geometry and Its Applications, III
Room 341, Altgeld Hall
Organizers:
Stephanie B. Alexander, University of Illinois at Urbana-Champaign stephanieb.alexander@gmail.com
Jianguo Cao, University of Notre Dame cao.7@nd.edu
-
3:00 p.m.
On uniqueness and non-uniqueness of souls.
Igor Belegradek*, Georgia Tech
Slawomir Kwasik, Tulane University
Reinhard Schultz, University of California, Riverside
(1047-53-67)
-
3:30 p.m.
A New Convergence for Riemannian Manifolds.
Christina Sormani*, Lehman College and CUNY Graduate Center
Stefan Wenger, University of Illinois at Chicago
(1047-58-133)
-
4:00 p.m.
Convexity in sub-Riemannian Geometry and Its Applications.
Kanghai Tan*, Science School, Nanjing University of Science & Technology
(1047-53-352)
-
4:30 p.m.
Rigidity of conformally compact manifolds with the round sphere as the conformal infinity.
Satyaki Dutta, N/A
Mohammad Javaheri*, Trinity College
(1047-53-80)
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on The Interface Between Number Theory and Dynamical Systems, III
Room 245, Altgeld Hall
Organizers:
Florin Boca, University of Illinois at Urbana-Champaign fboca@math.uiuc.edu
Jeffrey Lagarias, University of Michigan lagarias@umich.edu
Kenneth Stolarsky, University of Illinois at Urbana-Champaign stolarsk@math.uiuc.edu
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Hyperbolic Geometry and Teichmuller Theory, III
Room 443, Altgeld Hall
Organizers:
Jason Deblois, University of Illinois at Chicago jdelbois@math.uic.edu
Richard P. Kent, IV, Brown University rpkfour@gmail.com
Christopher J. Leininger, University of Illinois at Urbana-Champaign clein@math.uiuc.edu
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Topological Dynamics and Ergodic Theory, III
Room 345, Altgeld Hall
Organizers:
Alica Miller, University of Louisville amiller@erdos.math.louisville.edu
Joseph Rosenblatt, University of Illinois at Urbana-Champaign rosnbltt@math.uiuc.edu
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on q-Series and Partitions, III
Room 147, Altgeld Hall
Organizers:
Bruce Berndt, University of Illinois at Urbana-Champaign berndt@math.uiuc.edu
Ae Ja Yee, Pennsylvania State University yee@math.psu.edu
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Concrete Aspects of Real Positive Polynomials, III
Room 162, Noyes Lab
Organizers:
Victoria Powers, Emory University vicki@mathcs.emory.edu
Bruce Reznick, University of Illinois at Urbana-Champaign reznick@illinois.edu
-
3:00 p.m.
Exact certification in global polynomial optimization via sums-of-squares of rational functions with rational coefficients.
Erich Kaltofen*, North Carolina State University
Bin Li, Key Lab. of Math. Mechanization, AMSS, Beijing 100190, China
Zhengfeng Yang, Shanghai Key Lab. of Trustworthy Comput., SEI, East China Normal University, Shanghai 200062, China
Lihong Zhi, Key Lab. of Math. Mechanization, AMSS, Beijing 100190, China
(1047-12-76)
-
3:30 p.m.
Polynomial hierarchy, Betti numbers and a real analogue of Toda's theorem.
Saugata Basu*, Department of Mathematics, Purdue University
Thierry Zell, Department of Mathematics and Computing Sciences, Lenoir-Rhyne University
(1047-14-400)
-
4:00 p.m.
Amoebas and coamoebas, relationships and similarities.
Mounir Nisse*, University Pierre et Marie Curie - Paris 6, IMJ (UMR 7586)
(1047-14-77)
-
4:30 p.m.
Positivity properties of Schoenberg's quadratic forms - a recurrent theme.
Kenneth B Stolarsky*, University of Illinois
(1047-12-162)
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Nonlinear Partial Differential Equations and Applications, II
room 241, Altgeld Hall
Organizers:
Igor Kukavica, University of Southern California kukavica@usc.edu
Anna L. Mazzucato, Pennsylvania State University mazzucat@math.psu.edu
-
3:00 p.m.
Nonlinear instability for the critically disipative quasi-geostrophic equation.
Susan Friedlander*, University of Southern California
Natasa Pavlovic, U of Texas-Austin
Vlad Vicol, University of Southern California
(1047-76-140)
-
3:30 p.m.
Vanishing viscosity and the accumulation of vorticity on the boundary.
James P Kelliher*, University of California, Riverside
(1047-76-404)
-
4:00 p.m.
Strong Solutions to a Nonlinear Fluid Structure Interaction System.
Amjad Tuffaha*, University of Southern California
Igor Kukavica, University of Southern California
Mohammed Ziane, University of Southern California
(1047-35-469)
-
4:30 p.m.
El Nino Southern Oscillation as Sporadic Oscillations between Metastable States.
Tian Ma, Sichuan University
Shouhong Wang*, Indiana University
(1047-35-113)
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on The Logic and Combinatorics of Algebraic Structures, III
Room 203, Noyes Lab
Organizers:
John Snow, Concordia University john.snow@cune.edu
Jeremy Alm, Illinois College alm.academic@gmail.com
-
3:00 p.m.
The complexity of pp-definability.
Ross Willard*, University of Waterloo
(1047-03-158)
-
3:30 p.m.
Algebraic conditions forcing NP-completeness of the Constraint Satisfaction Problem.
Petar Markovic*, University of Novi Sad, Serbia
Ralph McKenzie, Vanderbilt University
Matthew Nickodemus, Vanderbilt University
(1047-08-304)
-
4:00 p.m.
Algebras of Bounded Width.
Petar Markovic, University of Novi Sad
Ralph McKenzie, Vanderbilt University
Matthew Nickodemus*, Vanderbilt University
(1047-03-395)
-
4:30 p.m.
Algebra applied to the study of constraint satisfaction problems produces spectacular results both in universal algebra and on the side of computational complexity: a survey of recent work.
Ralph N McKenzie*, Vanderbilt University
Petar Markovic, Vanderbilt University
Matthew Nickodemus, Vanderbilt University
(1047-08-153)
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Geometric Group Theory, III
Room 445, Altgeld Hall
Organizers:
Sergei V. Ivanov, University of Illinois at Urbana-Champaign ivanov@math.uiuc.edu
Ilya Kapovich, University of Illinois at Urbana-Champaign kapovich@math.uiuc.edu
Igor Mineyev, University of Illinois at Urbana-Champaign mineyev@math.uiuc.edu
Paul E. Schupp, University of Illinois at Urbana-Champaign schupp@math.uiuc.edu
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Saturday March 28, 2009, 3:00 p.m.-4:55 p.m.
Special Session on Algebraic Methods in Statistics and Probability, III
Room 204, Noyes Lab
Organizers:
Marlos A. G. Viana, University of Illinois at Chicago viana@uic.edu
-
3:00 p.m.
Alternative parametrizations and reference priors for decomposable discrete graphical models.
Helene M Massam*, York University, Toronto, Canada
(1047-62-24)
-
3:30 p.m.
Qualitative inequalities for squared partial correlations of a Gaussian random vector.
Sanjay Chaudhuri*, Department of Statistics and Applied Probability, National University of Singapore
(1047-62-203)
-
4:00 p.m.
Trek separation for Gaussian graphical models.
Seth Sullivant*, North Carolina State University
Kelli Talaska, University of Michigan
(1047-62-49)
-
4:30 p.m.
Algebraic statistics of p1 random graph models.
Stephen Fienberg, Carnegie Mellon University
Sonja Petrović*, Univeristy of Illinois at Chicago
Alessandro Rinaldo, Carnegie Mellon University
(1047-13-163)
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Graph Theory, III
Room 161, Noyes Lab
Organizers:
Alexander V. Kostochka, University of Illinois at Urbana-Champaign kostochk@math.uiuc.edu
Douglas B. West, University of Illinois at Urbana-Champaign west@math.uiuc.edu
-
3:00 p.m.
Maximal Independent Sets in Adjacent Levels of the Cube.
Dwight Duffus*, Mathematics & Computer Science Department, Emory University
Peter Frankl, Tokyo, Japan
Vojtech Rodl, Mathematics & Computer Science Department, Emory University
(1047-05-312)
-
3:30 p.m.
Partitioning Subset Lattices into Intervals.
William T. Trotter*, Georgia Institute of Technology
(1047-05-263)
-
4:00 p.m.
Diamond-free families of subsets.
Jerrold R. Griggs*, University of South Carolina
(1047-05-456)
-
4:30 p.m.
On the degree of regularity of a specific linear equation.
André E. Kézdy*, University of Louisville
Hunter Snevily, University of Idaho at Moscow
(1047-05-292)
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Probabilistic and Extremal Combinatorics, III
Room 163, Noyes Lab
Organizers:
Jozsef Balogh, University of Illinois at Urbana-Champaign jobal@math.uiuc.edu
Zoltan Furedi, University of Illinois at Urbana-Champaign z-furedi@math.uiuc.edu
-
3:00 p.m.
It's a long way to recurrence - an extremal problem in the Abelian Sandpile Model.
László Babai*, University of Chicago
Igor Gorodezky, Cornell University
Allie Shapiro, Toyota Technological Institute - Chicago
(1047-05-434)
-
3:30 p.m.
Random Erdos-Ko-Rado.
Jozsef Balogh, UIUC
Tom Bohman, CMU
Dhruv Mubayi*, University of Illinois at Chicago
(1047-05-118)
-
4:00 p.m.
New bounds in the Zarankiewicz problem.
Vladimir Nikiforov*, University of Memphis, Memphis, TN
(1047-05-318)
-
4:30 p.m.
Large induced trees in $K_r$-free graphs.
Jacob Fox, Princeton University
Po-Shen Loh*, Princeton University
Benny Sudakov, UCLA
(1047-05-96)
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Geometric Function Theory and Analysis on Metric Spaces, III
Room 447, Altgeld Hall
Organizers:
Sergiy Merenkov, University of Illinois at Urbana-Champaign merenkov@uiuc.edu
Jeremy Taylor Tyson, University of Illinois at Urbana-Champaign tyson@math.uiuc.edu
Jang-Mei Wu, University of Illinois at Urbana-Champaign wu@math.uiuc.edu
-
Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Mathematical Visualization, III
Room 102, Altgeld Hall
Organizers:
George K. Francis, University of Illinois at Urbana-Champaign gfrancis@uiuc.edu
Louis H. Kauffman, University of Illinois at Chicago kauffman@uic.edu
Dennis Martin Roseman, University of Iowa roseman@math.uiowa.edu
Andrew J. Hanson, Indiana University hanson@cs.indiana.edu
-
3:00 p.m.
Mathematical Modelling and Visualization with Mathematica.
Ulises Cervantes-Pimentel*, Wolfram Research, Inc
(1047-51-168)
-
3:30 p.m.
Visualizing Pseudo-Spherical Cone Points.
Ivan C Sterling*, St Mary's College of Maryland
Josef Dorfmeister, Technical University Munich
Thomas Ivey, College of Charleston
(1047-53-202)
-
4:00 p.m.
Visualization for the Endless Universe.
Stewart P Dickson*, University of Illinois
Paul J Steinhardt, Department of Physics, Princeton University
(1047-51-139)
-
4:30 p.m.
Experiencing the Fourth Dimension.
Andrew J. Hanson*, Computer Science Department, School of Informatics, Indiana University, Bloomington, IN 47405
(1047-00-116)
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Saturday March 28, 2009, 3:00 p.m.-4:50 p.m.
Special Session on Operator Algebras and Operator Spaces, III
Room 145, Altgeld Hall
Organizers:
Zhong-Jin Ruan, University of Illinois at Urbana-Champaign ruan@math.uiuc.edu
Florin P. Boca, University of Illinois at Urbana-Champaign fboca@math.uiuc.edu
Marius Junge, University of Illinois at Urbana-Champaign junge@math.uiuc.edu
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Saturday March 28, 2009, 3:00 p.m.-4:55 p.m.
Special Session on Holomorphic and CR Mappings, III
Room 343, Altgeld Hall
Organizers:
John P. D'Angelo, University of Illinois at Urbana-Champaign jpda@math.uiuc.edu
Jiri Lebl, University of Illinois at Urbana-Champaign jlebl@math.uiuc.edu
Alex Tumanov, University of Illinois at Urbana-Champaign tumanov@math.uiuc.edu
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Saturday March 28, 2009, 5:10 p.m.-6:00 p.m.
Erdős Memorial Lecture
From Apollonian circle packings to Fibonacci Numbers.
Room 314, Altgeld Hall
Jeffrey C. Lagarias*, University of Michigan
(1047-11-04)
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Saturday March 28, 2009, 6:15 p.m.-8:00 p.m.
Reception hosted by the UIUC Department of Mathematics
South Lounge, Illini Union
Inquiries: meet@ams.org
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