AMS Sectional Meeting Program by Day

Current as of Saturday, April 23, 2005 00:22:17

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Program  |  Deadlines  |  Registration/Housing/Etc.  |  Inquiries:  meet@ams.org

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2005 Spring Western Section Meeting
Santa Barbara, CA, April 16-17, 2005
Meeting #1007

Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu

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Sunday April 17, 2005

• Sunday April 17, 2005, 8:00 a.m.-12:00 p.m.
  Exhibit and Book Sale
  Foyer, Girvetz Hall
• Sunday April 17, 2005, 8:00 a.m.-12:00 p.m.
  Meeting Registration
  Foyer, Girvetz Hall
• Sunday April 17, 2005, 8:00 a.m.-10:50 a.m.
  Special Session on Curvature in Group Theory and Combinatorics, III
  Room 2119, Girvetz Hall
  Organizers:
  Laura M. Anderson, State University of New York at Binghamton laura@math.binghamton.edu
  Noel Patrick Brady, University of Oklahoma nbrady@math.ou.edu
  Robin Forman, Rice University forman@math.rice.edu
  Jonathan P. McCammond, University of California Santa Barbara jon.mccammond@math.ucsb.edu
  

  • 8:00 a.m.
    How neighborly can a centrally symmetric polytope be?
    Nathan Linial, Institute of Computer Science, Hebrew University, Jerusalem, Israel
    Isabella Novik*, Department of Mathematics, University of Washington, Seattle, WA
    (1007-05-170)
  • 8:30 a.m.
    A proof of Forman's combinatorial Weitzenb{\" o}ck decomposition and a combinatorial Gau{\ss}-Bonnet theorem.
    Carsten Lange*, Institut Mittag-Leffler
    (1007-52-231)
  • 9:00 a.m.
    Surface Subgroups of Hyperbolizations of Groups.
    Noel Brady, University of Oklahoma
    Max Forester, University of Oklahoma
    Eduardo Martinez*, University of Oklahoma
    (1007-20-154)
  • 9:30 a.m.
    Nonorderable 3-manifold groups.
    Rachel Roberts, Washington University
    John Shareshian*, Washington University
    Melanie Stein, Trinity College
    (1007-20-211)
  • 10:00 a.m.
    Distortion of surface groups in free-by-cyclic groups.
    Josh Barnard*, University of Oklahoma
    Noel Brady, University of Oklahoma
    (1007-20-186)
  • 10:30 a.m.
    First and second order isoperimetric exponents of groups.
    Noel Brady, University of Oklahoma
    Martin Bridson, Imperial College London
    Max Forester*, University of Oklahoma
    Krishnan Shankar, University of Oklahoma
    (1007-20-174)
• Sunday April 17, 2005, 8:00 a.m.-10:50 a.m.
  Special Session on Function Theory, II
  Room 2112, Girvetz Hall
  Organizers:
  Mihai Putinar, University of California Santa Barbara mputinar@math.ucsb.edu
  Stephan R. Garcia, University of California Santa Barbara garcias@math.ucsb.edu
  

  • 8:00 a.m.
    Dunford-Pettis Properties and Spaces of Operators:Strong Dunford-Pettis Sets and Elton's Trichotomy.
    Ioana Ghenciu*, University of Wisconsin-River Falls
    Paul W. Lewis, University of North Texas
    (1007-46-109)
  • 8:30 a.m.
    A Reproducing Kernel Condition for Indeterminacy in the Multidimensional Moment Problem.
    Roger A. Roybal*, University of California, Santa Barbara
    (1007-47-249)
  • 9:00 a.m.
    Surjective Toeplitz operators.
    Andreas Hartmann, University of Bordeaux I
    Donald Sarason*, University of California, Berkeley
    Kristian Seip, Norwegian University of Science and Technology
    (1007-47-76)
  • 10:00 a.m.
    State Space Realization For Contractive Functions On The Bidisc.
    Joseph A. Ball, Virginia Tech
    Cora Sadosky*, Howard University
    Victor Vinnikov, Ben Gurion University of the Negev
    (1007-47-41)
  • 10:30 a.m.
    Local Convergence of Boundary Values and the Behaviour inside Domain of Sequences of Meromorphic Functions.
    Genrikh Ts. Tumarkin*, Santa Barbara, California
    (1007-30-43)
• Sunday April 17, 2005, 8:00 a.m.-10:50 a.m.
  Special Session on Algebraic Geometry and Combinatorics, III
  Room 2120, Girvetz Hall
  Organizers:
  Alexander Yong, University of California Berkeley ayong@math.berkeley.edu
  Allen Knutson, University of California Berkeley allenk@math.berkeley.edu
  

  • 8:00 a.m.
    All the GIT quotients at once.
    Nicholas J Proudfoot*, University of Texas at Austin
    (1007-14-122)
  • 8:30 a.m.
    Quivers and Combinatorics.
    Harm Derksen*, University of Michigan
    Jerzy Weyman, Northeastern University
    (1007-16-161)
  • 9:00 a.m.
    Quivers, long exact sequences and Horn type inequalities.
    Calin Ioan Chindris*, University of Michigan, Department of Mathematics
    (1007-16-169)
  • 9:30 a.m.
    Gorenstein Schubert varieties.
    Alexander K. Woo*, UC-Berkeley
    Alexander Yong, UC-Berkeley
    (1007-14-111)
  • 10:00 a.m.
    Singularities of Schubert Varieties, Tangent Cones and Bruhat Graphs.
    Jim Carrell*, University of British Columbia
    (1007-14-153)
  • 10:30 a.m.
    Dual Schubert cells in full flag varieties and Poisson geometry.
    K. A. Brown, Univ. Glasgow
    K. R. Goodearl, Univ. California, Santa Barbara
    Milen Yakimov*, Univ. California, Santa Barbara
    (1007-22-230)
• Sunday April 17, 2005, 8:00 a.m.-10:40 a.m.
  Special Session on Geometry and Physics, III
  Room 1112, Girvetz Hall
  Organizers:
  Xianzhe Dai, University of California Santa Barbara dai@math.ucsb.edu
  Zhiqin Lu, University of California Irvine zlu@math.uci.edu
  

  • 8:00 a.m.
    Mirror symmetry and Langlands duality in the mixed Hodge structure of character varieties of Riemann surfaces.
    Tamas Hausel*, University of Texas at Austin
    (1007-51-45)
  • 9:00 a.m.
    Homological mirror symmetry for weighted projective spaces through constructible sheaves.
    Wei-Dong Ruan*, University of Illinois at Chicago
    (1007-53-74)
  • 10:00 a.m.
    Analytic torsion near singular Calabi-Yau three-folds.
    Hao Fang*, Institute for Advanced Study
    Zhiqin Lu, UC Irvine
    Ken-Ichi Yoshikawa, University of Tokyo
    (1007-53-68)
• Sunday April 17, 2005, 8:00 a.m.-10:50 a.m.
  Special Session on Ricci Flow/Riemannian Geometry, III
  Room 1119, Girvetz Hall
  Organizers:
  Guofang Wei, University of California Santa Barbara wei@math.ucsb.edu
  Rugang Ye, University of California Santa Barbara yer@math.ucsb.edu
  

  • 8:00 a.m.
    Generic Properties of Closed Parametrized Minimal Surfaces in Riemannian Manifolds.
    John Douglas Moore*, University of California, Santa Barbara
    (1007-53-189)
  • 9:00 a.m.
    Qualitative Properties of Solutions to the Yamabe Problem.
    Marcus A Khuri*, Stanford University
    (1007-53-110)
  • 10:00 a.m.
    Orbifolds and collapsing.
    Yu Ding*, Department of Mathematics, Princeton University
    (1007-53-155)
  • 10:30 a.m.
    Far Homotopies and the Tangent Cone at Infinity.
    Will Wylie*, UCSB
    (1007-53-238)
• Sunday April 17, 2005, 8:30 a.m.-10:50 a.m.
  Special Session on Arithmetic Geometry, III
  Room 2123, Girvetz Hall
  Organizers:
  Adebisi Agboola, University of California Santa Barbara agboola@math.ucsb.edu
  Cristian Dumitru Popescu, University of California San Diego cpopescu@math.ucsd.edu
  

  • 8:30 a.m.
    Discussion and Open Problems
• Sunday April 17, 2005, 8:30 a.m.-10:50 a.m.
  Special Session on Dynamical Systems in Neuroscience, III
  Room 2115, Girvetz Hall
  Organizers:
  Eugene M. Izhikevich, The Neurosciences Institute Eugene.Izhikevich@nsi.edu
  

  • 8:30 a.m.
    Numerical computation of phase response curves in Matlab.
    Willy Govaerts, Ghent University
    Bart Sautois*, Ghent University
    (1007-37-29)
  • 9:00 a.m.
    The Response Dynamics of Neural Oscillator Populations.
    Jeff Moehlis*, University of California, Santa Barbara
    Eric Brown, Courant Institute
    Philip Holmes, Princeton University
    (1007-37-20)
  • 10:00 a.m.
    Estimating the entropy rate from observed time series, with confidence intervals.
    Matthew B Kennel*, UC San Diego
    Jose M. Amigo, Universidad Miguel Hernandez
    (1007-62-42)
  • 10:30 a.m.
    Canard torus bifurcation in a two time scale neuron model.
    Andrey Shilnikov*, GSU, Atlanta, GA
    Gennady Cymbalyuk, GSU, Atlanta, GA
    (1007-37-22)
• Sunday April 17, 2005, 8:30 a.m.-10:40 a.m.
  Special Session on Recent Advances in Combinatorial Number Theory, III
  Room 2127, Girvetz Hall
  Organizers:
  Mei-Chu Chang, University of California Riverside mcc@math.ucr.edu
  Van Ha Vu, University of California San Diego vanvu@ucsd.edu
  

  • 8:30 a.m.
    Using new differentiable Dedekind sums to solve integer linear programming problems.
    Sinai Robins*, Temple University
    Helaman Ferguson, Supercomputing Center, Maryland
    (1007-11-229)
  • 9:00 a.m.
    Incidences for algebraic surfaces.
    Izabella Laba*, UBC
    (1007-05-212)
  • 10:00 a.m.
    Erdos/Falconer distance problem in Euclidean space and on the sphere.
    Alex Iosevich*, University of Missouri
    (1007-05-178)
• Sunday April 17, 2005, 8:30 a.m.-10:50 a.m.
  Special Session on Automorphisms of Surfaces, III
  Room 1116, Girvetz Hall
  Organizers:
  Anthony Weaver, Bronx Community College of the City University of New York aweaver436@aol.com
  Peter Turbek, Purdue University Calumet turbek@calumet.purdue.edu
  

  • 8:30 a.m.
    Some families of special compact Riemann surfaces of genus two.
    Clifford J Earle*, Cornell University
    (1007-30-233)
  • 9:30 a.m.
    Holomorphic motions in families of Riemann surfaces.
    Sudeb Mitra*, Queens College, The City University of New York
    (1007-32-196)
  • 10:00 a.m.
    Branched coverings of the sphere and Galois groups of trinomials.
    Robert Guralnick, University of Southern California
    John Shareshian*, Washington University
    (1007-20-210)
  • 10:30 a.m.
    The genus distribution for odd order groups.
    Jay J Zimmerman*, Towson University
    (1007-57-226)
• Sunday April 17, 2005, 8:30 a.m.-10:50 a.m.
  Special Session on Noncommutative Geometry and Algebra, III
  Room 2129, Girvetz Hall
  Organizers:
  Kenneth R. Goodearl, University of California Santa Barbara goodearl@math.ucsb.edu
  J. T. Stafford, University of Michigan jts@umich.edu
  J. J. Zhang, University of Washington zhang@math.washington.edu
  

  • 8:30 a.m.
    Computation in noncommutative algebraic geometry.
    Dennis S. Keeler*, Miami University
    (1007-16-239)
  • 9:00 a.m.
    Two new families of 4-dimensional Artin-Schelter regular algebras.
    Brad S Shelton*, University of Oregon
    Thomas Cassidy, Bucknell University
    Peter Goetz, Bucknell University
    (1007-16-166)
  • 9:30 a.m.
    Noncommutative Log terminal and canonical singularities of orders over surfaces.
    Colin J Ingalls*, University of New Brunswick
    Daniel Chan, University of New South Wales
    (1007-16-185)
  • 10:00 a.m.
    Classifying Birationally Commutative Surfaces.
    Daniel Rogalski*, MIT
    (1007-16-225)
  • 10:30 a.m.
    Critical density in varieties.
    Jason P Bell*, University of Michigan
    (1007-16-88)
• Sunday April 17, 2005, 8:30 a.m.-10:50 a.m.
  Special Session on Geometric Methods in Three Dimensions, III
  Room 1115, Girvetz Hall
  Organizers:
  Daryl Cooper, University of California Santa Barbara cooper@math.ucsb.edu
  David Darren Long, University of California Santa Barbara long@math.ucsb.edu
  Martin G. Scharlemann, University of California Santa Barbara mgscharl@math.ucsb.edu
  

  • 8:30 a.m.
    Common stabilizaions of Heegaard splittings of link exteriors.
    Jung Hoon Lee*, KAIST
    Gyo Taek Jin, KAIST
    (1007-57-33)
  • 9:00 a.m.
    Heegaard splittings and connected sums.
    David Bachman*, Pitzer College
    (1007-57-51)
  • 9:30 a.m.
    Alternate Heegaard genus bounds distance.
    Martin Scharlemann, University of California, Santa Barbara
    Maggy Tomova*, University of California, Santa Barbara
    (1007-57-101)
  • 10:00 a.m.
    Large embedded balls and Heegaard genus in negative curvature.
    David Bachman, Pitzer College
    Daryl Cooper, University of California, Santa Barbara
    Matthew E White*, California Polytechnic State University, San Luis Obispo
    (1007-57-224)
  • 10:30 a.m.
    Links with no exceptional surgeries.
    David Futer*, Stanford University
    Jessica S Purcell, University of Texas at Austin
    (1007-57-30)
• Sunday April 17, 2005, 8:30 a.m.-10:50 a.m.
  Special Session on Representation Theory of Algebras (in Honor of Claus Michael Ringel), III
  Room 2128, Girvetz Hall
  Organizers:
  Alex Martsinkovsky, Northeastern University a.martsinkovsky@neu.edu
  Dan Zacharia, Syracuse University zacharia@syr.edu
  Birge K. Huisgen-Zimmermann, University of California Santa Barbara birge@math.ucsb.edu
  Edward L. Green, Virginia Polytech Institute & State University green@math.vt.edu
  

  • 8:30 a.m.
    Poset representations with coefficients in $\Bbb Z/(p^n)$ and in $k[T]/T^n$.
    Markus Schmidmeier*, Mathematical Sciences, Florida Atlantic University
    (1007-16-177)
  • 9:00 a.m.
    Polyhedral Geometry of McKay Quiver Representations for Abelian Groups.
    Alastair Craw, SUNY Stony Brook
    Diane Maclagan, Rutgers University
    Rekha Thomas*, University of Washington
    (1007-14-180)
  • 9:30 a.m.
    Tame actions on projective schemes over Nagata rings.
    Frauke M Bleher*, University of Iowa
    Ted Chinburg, University of Pennsylvania
    (1007-16-176)
  • 10:00 a.m.
    Factorizations of the classical adjoint and maximal Cohen--Macaulay modules over the generic determinant.
    Ragnar-Olaf Buchweitz, University of Toronto
    Graham J Leuschke*, Syracuse University
    (1007-13-220)
  • 10:30 a.m.
    Large Indecomposable Modules over Commutative Local Rings.
    Lee Klingler*, Florida Atlantic University
    W. Hassler, Karl-Franzens-Universität Graz
    R. Karr, Florida Atlantic University
    R. Wiegand, University of Nebraska-Lincoln
    (1007-13-137)
• Sunday April 17, 2005, 9:00 a.m.-10:50 a.m.
  Special Session on Complexity of Computation and Algorithms, III
  Room 2116, Girvetz Hall
  Organizers:
  Mark Burgin, University of California Los Angeles mburgin@math.ucla.edu
  

  • 9:00 a.m.
    Modeling Complexity of Living and Thinking Systems by Calculus of Iterations in Discrete Time and Space.
    Vladimir Gontar*, Ben-Gurion University of the Negev
    (1007-68-24)
  • 9:30 a.m.
    Complexity of algorithms and program quality.
    Mark Burgin*, UCLA
    Narayan Debnath, Department of Computer Science, Winona State University
    (1007-68-50)
  • 10:00 a.m.
    Complexity of problems and duality of measures.
    Mark Burgin*