
AMS Sectional Meeting Full Program
Current as of Sunday, October 30, 2011 00:27:59
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2011 Fall Western Section Meeting
University of Utah, Salt Lake City, UT
October 2223, 2011 (Saturday  Sunday)
Meeting #1075
Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Saturday October 22, 2011

Saturday October 22, 2011, 7:30 a.m.4:00 p.m.
Book Sale and Exhibit
Room 228, JWB John Widtsoe Building

Saturday October 22, 2011, 7:30 a.m.4:00 p.m.
Meeting Registration
Mathematics Department Office Room 233, JWB John Widtsoe Building

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, I
Room 310, AEB Alfred Emery Building Organizers: Robert Owczarek, Enfitec, Inc. owczarek@hughes.net Hanna Makaruk, Los Alamos National Laboratory NM

8:00 a.m.
Noncommutative worlds and discrete physics.
Louis H Kauffman*, University of Illinois at Chicago
(10758154)

9:00 a.m.
Homology of distributive lattices: splitting chain complexes.
Jozef H. Przytycki*, George Washington University and UG
Krzysztof Putyra, Columbia University
(10755777)

9:30 a.m.
Homology of distributive lattices: MayerVietoris type sequences.
Krzysztof K Putyra*, Columbia University
Jozef H Przytycki, George Washington University & Gdansk University
(107518143)

10:00 a.m.
Homology of a small category with functor coefficients and barycentric subdivision.
Jing Wang*, George Washington University
(107557127)

10:30 a.m.
Matching problems with compact externalities: a stability analysis.
Simina Branzei*, Aarhus University
Tomasz Michalak, University of Warsaw
Talal Rahwan, University of Southampton
Kate Larson, University of Waterloo
Nicholas Jennings, University of Southampton
(10756858)

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Celestial and Geometric Mechanics, I
Room 208, JWB John Widtsoe Building Organizers: Lennard Bakker, Brigham Young University bakker@math.byu.edu Tiancheng Ouyang, Brigham Young University

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra, I
Room 320, AEB Alfred Emery Building Organizers: ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu Lance E. Miller, University of Utah lmiller@math.utah.edu Anurag K. Singh, University of Utah singh@math.utah.edu

8:00 a.m.
Homological invariants of modules over contracting endomorphisms.
Luchezar L Avramov, University of Nebraska, Lincoln
Melvin Hochster, University of Michigan, Ann Arbor
Srikanth B Iyengar*, University of Nebraska, Lincoln
Yongwei Yao, Georgia State University, Atlanta
(107513122)

8:30 a.m.
Duality for Koszul homology over Gorenstein rings.
Claudia Miller*, Syracuse University
Hamid Rahmati, Syracuse University
Janet Striuli, Fairfield University
(107513193)

9:00 a.m.
Building modules over a local ring from its singular locus.
Lars Winther Christensen*, Texas Tech University
Jesse Burke, University of Bielefeld
(107513180)

9:30 a.m.
On the index of numerical semigroup rings of embedding dimension three.
Oana Veliche*, Northeastern University
(107513121)

10:00 a.m.
Applications of commutative algebra to problems in linear algebra.
Chris Peterson*, Department of Mathematics, Colorado State University
(107513183)

10:30 a.m.
Implementation of Kumar's correspondence.
Hirotachi Abo*, University of Idaho
Chris Peterson, Colorado State University
(107513140)

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Geometric Evolution Equations and Related Topics, I
Room 215, LCB LeRoy Cowles Building Organizers: Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu Lei Ni, University of California San Diego lni@mathl.ucsd.edu Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, I
Room 320, JTB James Talmage Building Organizers: Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu Monica Visan, University of California Los Angeles Betsy Stovall, University of California Los Angeles

Saturday October 22, 2011, 8:00 a.m.10:40 a.m.
Special Session on Hypergeometric Functions and Differential Equations, I
Room 323, LCB LeRoy Cowles Building Organizers: Laura F. Matusevich, Texas A&M University laura@math.tamu.edu Christine Berkesch, Stockholm University cberkesc@math.su.se

Saturday October 22, 2011, 8:00 a.m.11:00 a.m.
Special Session on Inverse Problems and Homogenization, I
Room 130, JTB James Talmage Building Organizers: Elena Cherkaev, University of Utah elena@math.utah.edu Fernando Guevara Vasquez, University of Utah fguevara@math.utah.edu

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Recent Progress in Numerical Partial Differential Equations, I
Room 120, JTB James Talmage Building Organizers: Jichun Li, University of Nevada, Las Vegas jichun@unlv.nevada.edu ShueSum Chow, Brigham Young University

Saturday October 22, 2011, 8:00 a.m.10:50 a.m.
Special Session on Reductive Groups and Hecke Algebras, I
Room 219, LCB LeRoy Cowles Building Organizers: Dan Ciubotaru, University of Utah ciubo@math.utah.edu Cathy Kriloff, Idaho State University krilcath@isu.edu Peter Trapa, University of Utah ptrapa@math.utah.edu

Saturday October 22, 2011, 8:30 a.m.10:50 a.m.
Special Session on Applied Analysis, I
Room 310, JTB James Talmage Building Organizers: Marian Bocea, Loyola University Chicago mbocea@luc.edu Mihai Mihailescu, University of Craiova Romania mmihailes@yahoo.com

8:30 a.m.
On the problem of characterizing the minimizers of the Aviles Giga functional.
Andrew Lorent*, University of Cincinnati
(10754961)

9:00 a.m.
On instabilities of smooth phase boundaries in nonlinearly elastic solids.
Yury Grabovsky*, Temple University
Vladislav A Kucher, Institute of Mechanical Engineering, Russia
Lev Truskinovsky, Ecole Polytechnique, France
(107574119)

9:30 a.m.
A variational approach for exposure bracketed images.
Marcelo Bertalmío, Universitat Pompeu Fabra
Stacey Levine*, Duquesne University
(107549210)

10:00 a.m.
Comparison of variational models for denoising of images.
Rustum Choksi, McGill University, Montreal (CA)
Irene Fonseca, Carnegie Mellon University, Pittsburgh
Barbara Zwicknagl*, Carnegie Mellon University, Pittsburgh
(107549170)

10:30 a.m.
Optimal threematerial wheel assemblage of conducting and elastic composites.
Andrej Cherkaev*, Department of mathematics, University of Utah
(107535229)

Saturday October 22, 2011, 8:30 a.m.10:50 a.m.
Special Session on Geometric, Combinatorial, and Computational Group Theory, I
Room 350, AEB Alfred Emery Building Organizers: Eric Freden, Southern Utah University freden@suu.edu Eric Swenson, Brigham Young University

Saturday October 22, 2011, 8:30 a.m.10:50 a.m.
Special Session on Noncommutative Geometry and Algebra, I
Room 225, LCB LeRoy Cowles Building Organizers: Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu Milen Yakimov, Louisiana State University yakimov@math.lsu.edu

Saturday October 22, 2011, 9:00 a.m.10:40 a.m.
Special Session on Algebraic Geometry, I
Room 121, LCB LeRoy Cowles Building Organizers: Tommaso de Fernex, University of Utah defernex@math.utah.edu Christopher Hacon, University of Utah hacon@math.utah.edu

Saturday October 22, 2011, 9:00 a.m.10:50 a.m.
Special Session on Computational and Algorithmic Algebraic Geometry, I
Room 340, AEB Alfred Emery Building Organizers: Zach Teitler, Boise State University zteitler@boisestate.edu Jim Wolper, Idaho State University wolpjame@isu.edu

9:00 a.m.
Degenerations of irrational Toric varieties.
Frank Sottile*, Texas A&M University
Elisa Postinghel, CMA, University of Oslo
Nelly Villamizar, CMA, University of Oslo
(107514199)

9:30 a.m.
Wachspress varieties.
Corey F Irving*, Texas A&M University
(10751455)

10:00 a.m.
The monotone secant conjecture in the real Schubert calculus.
Jonathan D. Hauenstein, Texas A&M University
Nickolas Hein, Texas A&M University
Christopher J. Hillar, Mathematical Sciences Research Institute
Abraham Martin del Campo*, Texas A&M University
Frank Sottile, Texas A&M University
Zach Teitler, Boise State University
(10751447)

10:30 a.m.
Beyond the Shapiro conjecture and EremenkoGabrielov lower bounds.
Jonathan Hauenstein, Texas A&M University
Nickolas Hein*, Texas A&M University
Abraham Martin del Campo, Texas A&M University
Frank Sottile, Texas A&M University
James Ruffo, State University of New York, College at Oneonta
Frank Sottile, Texas A&M University
Zach Teitler, Boise State University
(107514155)

Saturday October 22, 2011, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, I
Room 110, JTB James Talmage Building Organizers: ZhiQiang Wang, Utah State University ZhiQiang.Wang@usu.edu Nghiem Nguyen, Utah State University nghiem.nguyen@usu.edu

Saturday October 22, 2011, 9:00 a.m.10:50 a.m.
Special Session on Understanding Biofluids via Modeling, Simulation and Analysis, I
Room 333, JWB John Widtsoe Building Organizers: Christel Hohenegger, University of Utah choheneg@math.utah.edu

9:00 a.m.
Hydrodynamic interactions of hyperactivated sperm.
Sarah D Olson*, Worcester Polytechnic Institute
Lisa J Fauci, Tulane University
(10757679)

9:30 a.m.
Biological and bioinspired locomotion in viscous fluids: from spermatozoa to synthetic microswimmers.
On Shun Pak*, Department of Mechanical and Aerospace Engineering University of California, San Diego
Saverio Eric Spagnolie, Division of Engineering, Brown University
Wei Gao, Department of Nanoengineering, University of California San Diego
Joseph Wang, Department of Nanoengineering, University of California San Diego
Eric Lauga, Department of Mechanical and Aerospace Engineering, University of California San Diego
(107592243)

10:00 a.m.
Multiscale computation of Cytoskeleton mechanics.
Jennifer J. Young*, Rice University
Sorin Mitran, University of North Carolina at Chapel Hill
(107592173)

10:30 a.m.
A stochastic multiscale model of fibrinolysis.
Brittany E. Bannish*, University of Utah
Aaron L. Fogelson, University of Utah
James P. Keener, University of Utah
(107592118)

Saturday October 22, 2011, 11:10 a.m.12:00 p.m.
Invited Address
Metamaterials: High contrast composites with unusual properties.
Room 335, JWB John Widtsoe Building
Graeme Milton*, University of Utah
(10753501)

Saturday October 22, 2011, 2:00 p.m.2:50 p.m.
Invited Address
Dispersive partial differential equations at critical regularity.
Room 335, JWB John Widtsoe Building
Monica Visan*, University of California Los Angeles
(10753502)

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Algebraic Geometry, II
Room 121, LCB LeRoy Cowles Building Organizers: Tommaso de Fernex, University of Utah defernex@math.utah.edu Christopher Hacon, University of Utah hacon@math.utah.edu

Saturday October 22, 2011, 3:00 p.m.5:20 p.m.
Special Session on Applied Analysis, II
Room 310, JTB James Talmage Building Organizers: Marian Bocea, Loyola University Chicago mbocea@luc.edu Mihai Mihailescu, University of Craiova Romania mmihailes@yahoo.com

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, II
Room 310, AEB Alfred Emery Building Organizers: Robert Owczarek, Enfitec, Inc. owczarek@hughes.net Hanna Makaruk, Los Alamos National Laboratory NM

3:00 p.m.
On the geometry of a moving singularity.
Leonardo Traversoni*, Universidad Autonoma Metropolitana (Iztapalapa)
(107518106)

4:00 p.m.
Particle lag instability.
Peter Vorobieff*, The University of New Mexico
Michael Anderson, The University of New Mexico
Joseph Conroy, The University of New Mexico
Ross White, The University of New Mexico
Patrick Wayne, The University of New Mexico
Sanjay Kumar, The University of Texas  Brownsville
C. Randall Truman, The University of New Mexico
(107576228)

4:30 p.m.
The geometry of the Taylor problem in plasma physics.
Jason Parsley*, Wake Forest University
(107553209)

5:00 p.m.
Recent results in fluid mechanics.
Robert M Owczarek*, Enfitek, Inc. and University of New Mexico
(107576191)

5:30 p.m.
Spherical geometry of $\mathcal{D}^s(M)/\mathcal{D}^s_\mu(M)$.
Gerard Misiolek*, University of Notre Dame
(10755849)

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Celestial and Geometric Mechanics, II
Room 208, JWB John Widtsoe Building Organizers: Lennard Bakker, Brigham Young University bakker@math.byu.edu Tiancheng Ouyang, Brigham Young University

3:00 p.m.
Symbolic dynamics in a restricted planar 4body problem.
Antonio Garcia*, UAMI
Martha Alvarez, UAMI
(107537117)

4:00 p.m.
HamiltonJacobi theory of orthogonal separation of variables on spaces of constant curvature.
Roman Smirnov*, Dalhousie University
Ray McLenaghan, University of Waterloo
Caroline Cochrane, Dalhousie University
(107553219)

5:00 p.m.
Relative equilibria with one or two concentric polygons in the Nvortex problem.
Ernesto A Lacomba*, University Autonoma Metropolitana, Mexico City
Martin Celli, University Autonoma Metropolitana, Mexico City
Ernesto PérezChavela, University Autonoma Metropolitana, Mexico City
(107537227)

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, II
Room 320, AEB Alfred Emery Building Organizers: ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu Lance E. Miller, University of Utah lmiller@math.utah.edu Anurag K. Singh, University of Utah singh@math.utah.edu

3:00 p.m.
Regularity bounds for graph ideals.
Craig Huneke*, University of Kansas
Hailong Dao, University of Kansas
Jay Schweig, University of Kansas
(10751329)

3:30 p.m.
CohenMacaulay Toric Rings Arising from Finite Graphs.
Augustine B O'Keefe*, Tulane University
Huy TÃ i HÃ, Tulane University
(107513111)

4:00 p.m.
Betti numbers of affine monomial curves.
Hema Srinivasan*, University of Missouri, Columbia.
(10751334)

4:30 p.m.
Asymptotic growth of saturated powers and epsilon multiplicity.
Steven Dale Cutkosky*, Dept. Math., Univ. Missouri
(10751333)

5:00 p.m.
Ideals with large projective dimension and Stillman's question.
Jesse Beder, University of Illinois at UrbanaChampaign
Jason McCullough*, University of California, Riverside
Luis NunezBetancourt, University of Michigan
Alexandra Seceleanu, University of Nebraska
Bart Snapp, Ohio State University
Branden Stone, University of Kansas
(107513136)

5:30 p.m.
Tautological part of $K$theory of projective toric varieties.
Joseph Gubeladze*, San Francisco State University
(107514149)

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Computational and Algorithmic Algebraic Geometry, II
Room 340, AEB Alfred Emery Building Organizers: Zach Teitler, Boise State University zteitler@boisestate.edu Jim Wolper, Idaho State University wolpjame@isu.edu

3:00 p.m.
Implicitization of surfaces via geometric tropicalization.
Maria Angelica Cueto*, Columbia University
(10751465)

3:30 p.m.
$\mu$Basis of rational space curves of type (1; 1; d2) and minimal generators for the associated Rees algebra.
Haohao Wang*, Southeast Missouri State University
(10751417)

4:00 p.m.
Classification of 7 and 8 dimensional soliton Nilpotent Lie algebras.
Hulya Kadioglu*, Idaho Falls, ID
Tracy L. Payne, Idaho State University
(10755138)

4:30 p.m.
Equation of genur 3 hyperelliptic curves over their minimal field of definition.
Valmira Hoxha*, Department of Mathematics and Statistics, Oakland University, Rochester, MI, 48386.
(10751411)

5:00 p.m.
Vanishing theta nulls of algebraic curves.
Tony Shaska*, Oakland University
(10751412)

5:30 p.m.
Theta functions with halfinteger rational characteristics for genus three curves.
Lubjana Beshaj*, Department of Mathematics and Statistics, Oakland University, Rochester, MI, 48386.
(10751410)

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Electromagnetic Wave Propagation in Complex and Random Environments, I
Room 140, JTB James Talmage Building Organizers: David Dobson, University of Utah Peijun Li, Purdue University lipeijun@math.purdue.edu

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Geometric Evolution Equations and Related Topics, II
Room 215, LCB LeRoy Cowles Building Organizers: Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu Lei Ni, University of California San Diego lni@mathl.ucsd.edu Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, II
Room 320, JTB James Talmage Building Organizers: Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu Monica Visan, University of California Los Angeles Betsy Stovall, University of California Los Angeles

Saturday October 22, 2011, 3:00 p.m.5:40 p.m.
Special Session on Hypergeometric Functions and Differential Equations, II
Room 323, LCB LeRoy Cowles Building Organizers: Laura F. Matusevich, Texas A&M University laura@math.tamu.edu Christine Berkesch, Stockholm University cberkesc@math.su.se

Saturday October 22, 2011, 3:00 p.m.6:00 p.m.
Special Session on Inverse Problems and Homogenization, II
Room 130, JTB James Talmage Building Organizers: Elena Cherkaev, University of Utah elena@math.utah.edu Fernando Guevara Vasquez, University of Utah fguevara@math.utah.edu

3:00 p.m.
Resistor networks and optimal grids for electrical impedance tomography with partial boundary measurements.
Alexander V Mamonov*, University of Texas at Austin
Liliana Borcea, Rice University
Vladimir Druskin, Schlumberger Doll Research Center
Fernando Guevara Vasquez, University of Utah
(10756599)

3:30 p.m.
Solution of the timedomain inverse resistivity problem in the model reduction framework.
Mikhail Y Zaslavsky*, SchlumbergerDoll Research
Vladimir L Druskin, SchlumbergerDoll Research
Valeria Simoncini, University of Bologna, Italy
(107565195)

4:00 p.m.
Conductivity reconstruction using hybrid modalities with synthetic focusing.
Leonid Kunyansky*, University of Arizona
(10753557)

4:30 p.m.
Some mathematical problems of thermoacoustic tomography.
Linh V Nguyen*, Department of Mathematics, University of Idaho
(107535116)

5:00 p.m.
Modeling polarizationresolved measurements of light scattered by tissues.
Arnold D Kim*, University of California, Merced
(10757844)

5:30 p.m.
Discussion

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Noncommutative Geometry and Algebra, II
Room 225, LCB LeRoy Cowles Building Organizers: Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu Milen Yakimov, Louisiana State University yakimov@math.lsu.edu

3:00 p.m.
Values of FrobeniusSchur indicators for Hopf algebras.
M. Susan Montgomery*, University of Southern California
(10751673)

3:30 p.m.
On the integrality of the Frobenius Schur indicators of tensor categories.
Miodrag Cristian Iovanov*, University of Southern California and University of Bucharest
Susan Montgomery, University of Southern California
(10752016)

4:00 p.m.
LieDeltaalgebras.
James J Zhang*, University of Washington
(10751627)

4:30 p.m.
Quantum matrices by paths.
Karel Casteels*, University of California, Santa Barbara
(107516220)

5:00 p.m.
Torusinvariant prime spectrum of an affine quantum nilpotent Lie algebra.
Christopher R. Nowlin*, Laurel, MD
(107516132)

5:30 p.m.
The FRTConstruction via quantum Affine algebras and smash products.
Garrett Johnson*, North Carolina State University
Chris Nowlin, University of California, Santa Barbara
(10751774)

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Nonlinear Waves, II
Room 110, JTB James Talmage Building Organizers: ZhiQiang Wang, Utah State University ZhiQiang.Wang@usu.edu Nghiem Nguyen, Utah State University nghiem.nguyen@usu.edu

Saturday October 22, 2011, 3:00 p.m.5:50 p.m.
Special Session on Recent Progress in Numerical Partial Differential Equations, II
Room 120, JTB James Talmage Building Organizers: Jichun Li, University of Nevada, Las Vegas jichun@unlv.nevada.edu ShueSum Chow, Brigham Young University

3:00 p.m.
A reduced basis method for multiple electromagnetic scattering.
Mahadevan Ganesh*, Colorado School of Mines
(10753592)

4:00 p.m.
A leapfrog discontinuous Galerkin method for the timedomain Maxwell's equations in metamaterials.
Jichun Li, Dept of mathematical sciences, University of Nevada Las Vegas
Jiajia Wang*, Dept of mathematical sciences, University of Nevada Las Vegas
Eric Machorro, National Security Technologies, LLC, P.O. Box 98521, MS NLV 070, Las Vegas, NV 891938521
(107565129)

4:30 p.m.
Numerical approximation of scalar conservation law with hysteresis, relaxation, and doubleporosity.
Malgorzata Peszynska*, Department of Mathematics, Oregon State University
(107565175)

5:30 p.m.
Wellbalanced positivity preserving centralupwind scheme on triangular grids for the SaintVenant system.
Yekaterina Epshteyn*, University of Utah
S. Bryson, NASA Ames Research Center
A. Kurganov, Tulane University
G. Petrova, Texas A&M University
(107565128)

Saturday October 22, 2011, 3:00 p.m.6:20 p.m.
Special Session on Reductive Groups and Hecke Algebras, II
Room 219, LCB LeRoy Cowles Building Organizers: Dan Ciubotaru, University of Utah ciubo@math.utah.edu Cathy Kriloff, Idaho State University krilcath@isu.edu Peter Trapa, University of Utah ptrapa@math.utah.edu

3:00 p.m.
Meromorphic continuation of KloostermanSelberg Zeta functions associated to noncompact finite volume rank 1 symmetric spaces.
Nolan Wallach*, University of California, San Diego
Roberto Miatello, National University of Cordoba
(107511137)

3:30 p.m.
Korbits on the flag variety and the geometry of GelfandZeitlin fibers.
Mark Colarusso*, Idaho State University
Sam Evens, University of Notre Dame
(107522161)

4:00 p.m.
Classic and mirabolic RobinsonSchenstedKnuth correspondence for partial flags.
Daniele Rosso*, The University of Chicago
(10751409)

4:30 p.m.
Graham's variety and perverse sheaves on the Nilpotent cone.
Amber Russell*, Louisiana State University
(107522156)

5:00 p.m.
Lie orbifold algebras and graded Hecke algebras.
Anne V. Shepler*, Mathematics Department, University of North Texas, Texas
Sarah Witherspoon, Department of Mathematics, Texas A&M University, Texas
(107516222)

5:30 p.m.
On the local Langlands correspondence of DeBacker/Reeder for unramified U(3).
Moshe Adrian*, University of Utah
(107522120)

6:00 p.m.
A new twist in the Lpacket tale.
Stephen DeBacker*, University of Michigan
Loren Spice, Texas Christian University
(107522248)

Saturday October 22, 2011, 3:00 p.m.4:50 p.m.
Special Session on Understanding Biofluids via Modeling, Simulation and Analysis, II
Room 333, JWB John Widtsoe Building Organizers: Christel Hohenegger, University of Utah choheneg@math.utah.edu

3:00 p.m.
A multiscale model of electrical activity in cardiac tissue.
Joyce T. Lin*, University of Utah
James P. Keener, University of Utah
(107592166)

3:30 p.m.
Nonlinear signatures of entangled polymer solutions in active microbead rheology.
Paula Andrea Vasquez*, University of North Carolina at Chapel Hill
M Gregory Forest, University of North Carolina at Chapel Hill
Jeremy Cribb, University of North Carolina at Chapel Hill
Richard Superfine, University of North Carolina at Chapel Hill
(107592165)

4:00 p.m.
Ringwaves as a mass transport mechanism in airdriven coreannular flow.
H. Reed Ogrosky*, University of North Carolina
Roberto Camassa, University of North Carolina
M. Gregory Forest, University of North Carolina
Long Lee, University of Wyoming
John Mellnik, University of North Carolina
Jeffrey Olander, University of North Carolina
(107576237)

4:30 p.m.
Entrapment phenomena of buoyant fluids passing through sharply stratified density transitions.
Roberto Camassa, University of North Carolina, Mathematics
Claudia Falcon, University of North Carolina, Mathematics
Zhi Lin, Institute of Mathematics and its Applications, University of Minnesota
Richard McLaughlin, University of North Carolina, Mathematics
Keith Mertens*, University of North Carolina, Mathematics
David Nenon, University of North Carolina, Mathematics
Casey Smith, University of North Carolina, Mathematics
Bailey Watson, University of North Carolina, Mathematics
Brian White, University of North Carolina, Marine Sciences
(107576236)

Saturday October 22, 2011, 3:00 p.m.5:55 p.m.
Session for Contributed Papers
Room 308, JWB John Widtsoe Building Chairs: Violeta Vasilevska, Utah Valley University

3:00 p.m.
Some problems of unique continuation arising in the study of geometric evolution equations.
Brett Kotschwar*, Arizona State University
(10755330)

3:15 p.m.
ErdosMordell inequality in the Minkowski plane.
Mostafa Ghandehari*, University of Texas at Arlington
(10755219)

3:30 p.m.
Automorphisms of simple Lie algebras G(n) over GF(2).
Young Jo Kwak*, Colorado
(107517159)

3:45 p.m.
Comparison of dualizing complexes.
Changlong Zhong*, University of Southern California
(10751407)

4:00 p.m.
$\ast$Lie ideals and generalized derivations on prime rings.
Radwan M Alomary*, AMU, aligarh, India
(10751305)

4:15 p.m.
Shape $m_{simpl}$ fibrators among products of Hopfian manifolds.
Violeta Vasilevska*, Utah Valley University
(107557239)

4:30 p.m.
On the BVNorm convergence of a piecewise linear projection method for Markov operators.
J. Ding*, University of Southern Mississippi
N. Rhee, University of Missouri atKansas City
(10756506)

4:45 p.m.
Enumerating strata in an enhanced quiver variety.
Benjamin F Jones*, University of WisconsinStout
(107520196)

5:00 p.m.
Approximate solution for groundwater flows.
Aleksey S Telyakovskiy*, University of Nevada, Reno
(107576233)

5:15 p.m.
Building a safe cryptographic code.
Lavinia Corina Ciungu*, University of Central Oklahoma
(107594249)

5:30 p.m.
Password security.
Cori Bryant*, University of Central Oklahoma
Lavinia Ciungu, University of Central Oklahoma
(107594250)

5:45 p.m.
Simultaneous binary collisions for the collinear fourbody problem.
Tiancheng Ouyang*, Department of Mathematics, Brigham Young University, Provo, Utah 84602, USA
Duokui Yan, School of Mathematics and System Sciences , Beihong University, Beijing, China
(107537251)
Sunday October 23, 2011

Sunday October 23, 2011, 7:30 a.m.12:00 p.m.
Book Sale and Exhibit
Room 228, JWB John Widtsoe Building

Sunday October 23, 2011, 7:30 a.m.12:00 p.m.
Meeting Registration
Mathematics Department Office Room 233, JWB John Widtsoe Building

Sunday October 23, 2011, 8:00 a.m.10:20 a.m.
Special Session on Applied Analysis, III
Room 310, JTB James Talmage Building Organizers: Marian Bocea, Loyola University Chicago mbocea@luc.edu Mihai Mihailescu, University of Craiova Romania mmihailes@yahoo.com

8:00 a.m.
A CaffarelliKohnNirenberg inequality in OrliczSobolev spaces and applications.
Marian Bocea*, Loyola University Chicago
(107535244)

8:30 a.m.
A variational approximation scheme for radial polyconvex elasticity that excludes interpenetration of matter.
Alexey Miroshnikov*, University of Maryland, College Park, Department of Mathematics
Athanasios Tzavaras, University of Crete, Department of Applied Mathematics
(10757413)

9:00 a.m.
A maximum principle connected with eigenvalue problems involving variable exponents.
Mihai Mihailescu*, University of Craiova
(107535152)

9:30 a.m.
A variational characterization of the effective yield set for ionic polycrystals.
Farhod Abdullayev*, North Dakota State University
(107549157)

10:00 a.m.
Exploring submoment sequences and solutions to submoment problems.
Saroj Aryal*, University of Wyoming, Laramie, WY 82072
Farhad Jafari, University of Wyoming, Laramie, WY 82072
(10754615)

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, III
Room 310, AEB Alfred Emery Building Organizers: Robert Owczarek, Enfitec, Inc. owczarek@hughes.net Hanna Makaruk, Los Alamos National Laboratory NM

8:00 a.m.
Computability theoretic complexity of isomorphisms of countable structures.
Valentina Harizanov*, George Washington University
(107503153)

8:30 a.m.
Complete Coverage Probability Via Homology.
Rafal Komendarczyk, Tulane University
Jeff Pullen*, Tulane University
(107555110)

9:00 a.m.
Third Power Association In Finite semifields.
G. P. Wene*, Department of Mathematics, The University of Texas at San Antonio, One UTSA Circle,San Antonio, Texas 782490624
(107517245)

9:30 a.m.
Graphs and nonassociative algebra.
Liudmila Sabinina*, Universidad Autonoma del Estado de Morelos, Mexico
(107520181)

10:00 a.m.
Generalized Bruck loops related to nongyrocommutative gyrogroups and generalized symmetric spaces as the underlying geometry.
Larissa Sbitneva*, Universidad Autonoma del Estado de Morelos
(107508189)

10:30 a.m.
The spinor structure of the Apollonian disk packing.
Jerzy Kocik*, Department of Mathematics, Southern Illinois University at Carbondale
(107551200)

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Celestial and Geometric Mechanics, III
Room 208, JWB John Widtsoe Building Organizers: Lennard Bakker, Brigham Young University bakker@math.byu.edu Tiancheng Ouyang, Brigham Young University

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 320, AEB Alfred Emery Building Organizers: ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu Lance E. Miller, University of Utah lmiller@math.utah.edu Anurag K. Singh, University of Utah singh@math.utah.edu

8:00 a.m.
A generalization of Lyubeznik numbers.
Luis NúñezBetancourt, University of Michigan
Emily E. Witt*, University of Minnesota
(107513230)

8:30 a.m.
Valuation semigroups of two dimensional local rings.
Vinh An Pham*, University of MissouriColumbia
Steven Dale Cutkosky, University of MissouriColumbia
(107513168)

9:00 a.m.
Minimal primes of ideals arising from conditional independence statements.
Amelia Taylor*, Colorado College
Irena Swanson, Reed College
(107513113)

9:30 a.m.
2 x 2 permanental ideals of hypermatrices.
Julia Porcino, University of Oregon, Eugene, Oregon
Irena Swanson*, Reed College, Portland, Oregon
(107513112)

10:00 a.m.
On $F$purity at the $F$pure threshold.
Daniel J Hernández*, University of Minnesota
(107513235)

10:30 a.m.
Minimal reductions and balanced ideals.
Louiza Fouli*, New Mexico State University
(107513147)

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Computational and Algorithmic Algebraic Geometry, III
Room 340, AEB Alfred Emery Building Organizers: Zach Teitler, Boise State University zteitler@boisestate.edu Jim Wolper, Idaho State University wolpjame@isu.edu

8:00 a.m.
Tensor complexes.
Christine Berkesch*, Duke University
Daniel Erman, University of Michigan
Manoj Kummini, Chennai Mathematical Institute
Steven V Sam, Massachusetts Institute of Technology
(10751345)

8:30 a.m.
Toward a salmon conjecture.
Luke Oeding*, University of California, Berkeley
Daniel J Bates, Colorado State Univesity
(10751495)

9:00 a.m.
New examples of defective secant varieties of SegreVeronese varieties.
Hirotachi Abo*, University of Idaho
Maria Chiara Brambilla, UniversitÃ Politecnica delle Marche
(10751475)

9:30 a.m.
Strong nonnegativity and sums of squares.
Mohamed Omar*, UC Davis & Caltech
Brian Osserman, UC Davis
(107514202)

10:00 a.m.
Constructing Markov bases for hypergraphs.
Sonja Petrovic*, The Pennsylvania State University
(107513217)

10:30 a.m.
Computing integral asymptotics using toric blowups of ideals.
Shaowei Lin*, University of California, Berkeley
(107514234)

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Electromagnetic Wave Propagation in Complex and Random Environments, II
Room 140, JTB James Talmage Building Organizers: David Dobson, University of Utah Peijun Li, Purdue University lipeijun@math.purdue.edu

8:00 a.m.
Matrix Pade approximants of the spectral function of composites.
Elena Cherkaev*, University of Utah, Department of Mathematics
(107565231)

8:30 a.m.
A coupled BEM and FEM for the interior transmission problem.
George Hsiao, University of Delaware
Fengshan Liu, Delaware State University
Jiguang Sun*, Delaware State University
Liwei Xu, Rensselaer Polytechnic Institute
(10756581)

9:00 a.m.
Active exterior cloaking for the Helmholtz equation.
Fernando Guevara Vasquez*, Mathematics Department, University of Utah
Graeme W. Milton, Mathematics Department, University of Utah
Daniel Onofrei, Mathematics Department, University of Houston
(10753576)

9:30 a.m.
On hpadaptive finite element methods for timeharmonic Maxwell's equations.
X. Jiang, Academy of Mathematics and Systems Science, Chinese Academy of Sciences
L. Zhang, Academy of Mathematics and Systems Science, Chinese Academy of Sciences
W. Zheng*, Academy of Mathematics and Systems Science, Chinese Academy of Sciences
(10756583)

10:00 a.m.
Sea ice and the climate system.
Kenneth M. Golden*, University of Utah, Department of Mathematics
(107586213)

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Geometric Evolution Equations and Related Topics, III
Room 215, LCB LeRoy Cowles Building Organizers: Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu Lei Ni, University of California San Diego lni@mathl.ucsd.edu Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Geometric, Combinatorial, and Computational Group Theory, II
Room 350, AEB Alfred Emery Building Organizers: Eric Freden, Southern Utah University freden@suu.edu Eric Swenson, Brigham Young University

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, III
Room 320, JTB James Talmage Building Organizers: Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu Monica Visan, University of California Los Angeles Betsy Stovall, University of California Los Angeles

Sunday October 23, 2011, 8:00 a.m.10:40 a.m.
Special Session on Hypergeometric Functions and Differential Equations, III
Room 323, LCB LeRoy Cowles Building Organizers: Laura F. Matusevich, Texas A&M University laura@math.tamu.edu Christine Berkesch, Stockholm University cberkesc@math.su.se

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Noncommutative Geometry and Algebra, III
Room 225, LCB LeRoy Cowles Building Organizers: Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu Milen Yakimov, Louisiana State University yakimov@math.lsu.edu

8:00 a.m.
Derived representation schemes and cyclic homology.
Yuri Berest*, Cornell University
Ajay Ramadoss, ETH, Zurich
(107518221)

8:30 a.m.
A geometric realization of noncommutative resolutions.
Charlie R. Beil*, Simons Center for Geometry and Physics, Stony Brook University
(107514203)

9:00 a.m.
Irreducible components of module varieties.
Birge HuisgenZimmermann*, University of California, Santa Barbara
Kenneth R. Goodearl, University of California, Santa Barbara
(10751684)

9:30 a.m.
Nonsplit module extensions over the algebra of onesided inverse of $k[x]$.
Linhong Wang*, Southeastern Louisiana University
(10751664)

10:00 a.m.
Skein algebras of marked surfaces.
Gregory P Muller*, Louisiana State University
(107516187)

10:30 a.m.
$\mathbb{Z}$graded simple algebras.
Daniel Rogalski*, UCSD
Jason Bell, Simon Fraser University
(107516171)

Sunday October 23, 2011, 8:00 a.m.10:50 a.m.
Special Session on Reductive Groups and Hecke Algebras, III
Room 219, LCB LeRoy Cowles Building Organizers: Dan Ciubotaru, University of Utah ciubo@math.utah.edu Cathy Kriloff, Idaho State University krilcath@isu.edu Peter Trapa, University of Utah ptrapa@math.utah.edu

8:00 a.m.
Unitary Principal Series of $SO(n+1,n)$.
Annegret Paul*, Western Michigan University
(107522215)

8:30 a.m.
Geometry and unitarity.
Dragan Milicic*, Department of Mathematics, University of Utah
(107522226)

9:00 a.m.
Representations of the degenerate affine HeckeClifford superalgebra.
David Hill, University of Virginia
Jonathan Kujawa*, University of Oklahoma
Joshua Sussan, Max Planck Institute for Mathematics
(107516115)

9:30 a.m.
Graded Hecke algebras and reflection length versus codimension.
Briana FosterGreenwood*, University of North Texas
(107505164)

10:00 a.m.
Lefschetz functors for the metaplectic group.
B Trahan*, University of Utah
(107522160)

10:30 a.m.
Unipotent representations for Sp(p,q) and O*(n).
Dan Barbasch*, Department of Mathematics, Cornell University
Peter Trapa, Department of Mathematics, University of Utah
(10752232)

Sunday October 23, 2011, 9:00 a.m.10:40 a.m.
Special Session on Algebraic Geometry, III
Room 121, LCB LeRoy Cowles Building Organizers: Tommaso de Fernex, University of Utah defernex@math.utah.edu Christopher Hacon, University of Utah hacon@math.utah.edu

Sunday October 23, 2011, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, III
Room 110, JTB James Talmage Building Organizers: ZhiQiang Wang, Utah State University ZhiQiang.Wang@usu.edu Nghiem Nguyen, Utah State University nghiem.nguyen@usu.edu

Sunday October 23, 2011, 11:10 a.m.12:00 p.m.
Invited Address
The future of combinatorial bijections.
Room 335, JWB John Widtsoe Building
Igor Pak*, University of California Los Angeles
(10750503)

Sunday October 23, 2011, 2:00 p.m.2:50 p.m.
Invited Address
Gap theorems on Kähler manifolds.
Room 335, JWB John Widtsoe Building
Lei Ni*, University of California San Diego
(10755304)

Sunday October 23, 2011, 3:00 p.m.5:20 p.m.
Special Session on Category Theory in Graphs, Geometry and Inverse Problems, IV
Room 310, AEB Alfred Emery Building Organizers: Robert Owczarek, Enfitec, Inc. owczarek@hughes.net Hanna Makaruk, Los Alamos National Laboratory NM

3:00 p.m.
Category theory for inferring the shape of a light source from an optimized model of its shadow.
Brian G Stafford*, Los Alamos National Laboratory, Los Alamos,NM
(107568218)

3:30 p.m.
Turning Bayesian model averaging into Bayesian model combination.
James L Carroll*, LANL
(107560101)

4:00 p.m.
Reconstructing tilted, axissymmetric objects from radiographs.
Thomas A Beery*, Los Alamos National Laboratory
(107562104)

4:30 p.m.
Generalization of inverse Abel transform for shifted reconstruction axis.
Hanna E Makaruk*, Los Alamos National Laboratory, Los Alamos, NM
Robert M. Owczarek, Enfitek Inc.
(10756818)

5:00 p.m.
Discussion

Sunday October 23, 2011, 3:00 p.m.5:40 p.m.
Special Session on Celestial and Geometric Mechanics, IV
Room 208, JWB John Widtsoe Building Organizers: Lennard Bakker, Brigham Young University bakker@math.byu.edu Tiancheng Ouyang, Brigham Young University

3:00 p.m.
Symmetric mechanical systems with configuration space isotropy.
Cristina Stoica*, Wlifrid Laurier University, Canada
(107570192)

4:00 p.m.
Simultaneous binary collisions for the collinear fourbody problem.
Tiancheng Ouyang*, Department of Mathematics, Brigham Young University, Provo, Utah 84602, USA
Duokui Yan, School of Mathematics and System Sciences , Beihong University, Beijing, China
(107537185)

5:00 p.m.
Discussion

Sunday October 23, 2011, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, IV
Room 320, AEB Alfred Emery Building Organizers: ChinYi Jean Chan, Central Michigan University chan1cj@cmich.edu Lance E. Miller, University of Utah lmiller@math.utah.edu Anurag K. Singh, University of Utah singh@math.utah.edu

3:00 p.m.
Normal NonCohenMacaulay Rings.
Paul C Roberts*, University of Utah
(10751356)

3:30 p.m.
Graded $F$modules and local cohomology.
Yi Zhang*, University of Minnesota
(107513167)

4:00 p.m.
Target elements and test ideals.
Mel Hochster, University of Michigan
Wenliang Zhang*, University of Michigan
(107513194)

4:30 p.m.
Test ideals via a single alteration and discreteness and rationality of $F$jumping numbers.
Karl Schwede, The Pennsylvania State University
Kevin Tucker*, Princeton University
Wenliang Zhang, University of Michigan
(107513186)

5:00 p.m.
Cartier modules on toric varieties.
JenChieh Hsiao, Purdue University
Karl Schwede*, The Pennsylvania State University
Wenliang Zhang, University of Michigan
(10751341)

5:30 p.m.
Expected dimension versus actual dimension.
Sandra Spiroff*, University of Mississippi
(107513176)

Sunday October 23, 2011, 3:00 p.m.4:50 p.m.
Special Session on Computational and Algorithmic Algebraic Geometry, IV
Room 340, AEB Alfred Emery Building Organizers: Zach Teitler, Boise State University zteitler@boisestate.edu Jim Wolper, Idaho State University wolpjame@isu.edu

3:00 p.m.
Certifying solutions to systems of polynomialexponential equations.
Jonathan D Hauenstein*, Texas A&M University
Viktor Levandovskyy, RWTH Aachen University
(10756567)

3:30 p.m.
Some computational problems using Riemann Theta functions in sage.
Chris Swierczewski*, University of Washington, Department of Applied Mathematics
(107514198)

4:00 p.m.
A numericalsymbolic algorithm for computing the geometric genus of a curve.
Dan Bates*, Colorado State University
Chris Peterson, Colorado State University
Andrew Sommese, University of Notre Dame
Charles Wampler, General Motors Research and Development
(107514134)

4:30 p.m.
Chern numbers of algebraic varieties.
Dan Bates, Department of Mathematics, Colorado State University
David Eklund, Dept of Mathematics, KTH, Stockholm, Sweden
Chris Peterson*, Dept of Mathematics, Colorado State University, Fort Collins, Colorado
(107514184)

Sunday October 23, 2011, 3:00 p.m.5:40 p.m.
Special Session on Geometric Evolution Equations and Related Topics, IV
Room 215, LCB LeRoy Cowles Building Organizers: Andrejs Treibergs, University of Utah Salt Lake City treiberg@math.utah.edu Lei Ni, University of California San Diego lni@mathl.ucsd.edu Brett Kotschwar, Arizona State University kotschwar@math.mit.edu

Sunday October 23, 2011, 3:00 p.m.5:40 p.m.
Special Session on Harmonic Analysis and Dispersive Partial Differential Equations, IV
Room 320, JTB James Talmage Building Organizers: Xiaoyi Zhang, University of Iowa xiaozhang@math.uiowa.edu Monica Visan, University of California Los Angeles Betsy Stovall, University of California Los Angeles
Inquiries: meet@ams.org

