AMS Sectional Meeting Program by Day

Current as of Saturday, April 28, 2007 00:31:20

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

2007 Spring Western Section Meeting
Tucson, AZ, April 21-22, 2007 (Saturday - Sunday)
Meeting #1027

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

Sunday April 22, 2007

Sunday April 22, 2007, 8:00 a.m.-12:00 p.m.
Meeting Registration
Lobby, Integrated Learning Center

Sunday April 22, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Number Theory in the Southwest, III
Room 310, Modern Languages
Organizers:
Dinesh S. Thakur, University of Arizona thakur@math.arizona.edu
Douglas L. Ulmer, University of Arizona ulmer@math.arizona.edu
- 8:00 a.m.
  Totally Degenerate Reduction and the Conjectures of Hodge and Tate.
  Wayne M. Raskind*, University of Southern California
  (1027-11-141)
- 8:30 a.m.
  Orbits of rational points on certain $K3$ surfaces and the ample cone.
  Arthur Baragar*, University of Nevada Las Vegas
  (1027-11-80)
- 9:00 a.m.
  K-theory of log-schemes.
  Wieslawa Niziol*, University of Utah
  (1027-11-237)
- 9:30 a.m.
  Descent on the Congruent Number Elliptic Curves.
  Nick Rogers*, University of Arizona
  (1027-11-222)
- 10:00 a.m.
  Lifting Puzzles for Siegel Modular Forms.
  Cris Poor, Fordham University
  Nathan C. Ryan*, UCLA
  David S. Yuen, Lake Forest College
  (1027-11-86)
- 10:30 a.m.
  Periods of Drinfeld modules and difference Galois groups.
  Chieh-Yu Chang, National Tsing-Hua University
  Matthew Papanikolas*, Texas A&M University
  (1027-11-155)

Sunday April 22, 2007, 8:00 a.m.-10:40 a.m.
Special Session on Partial Differential Equations and Geometric Analysis, III
Room 119, Integrated Learning Center
Organizers:
Sunhi Choi, University of Arizona schoi@math.arizona.edu
Lennie Friedlander, University of Arizona friedlan@math.arizona.edu
David Alan Glickenstein, University of Arizona glickenstein@math.arizona.edu
- 8:00 a.m.
  Discussion
- 9:00 a.m.
  An eigenvalue estimate and a Brownian pursuit capture problem.
  Andrejs E Treibergs*, University of Utah
  (1027-53-13)
- 10:00 a.m.
  Heat Kernel on Homogeneous Bundles over Symmetric Spaces.
  Ivan G Avramidi*, New Mexico Institute of Mining and Technology
  (1027-58-173)

Sunday April 22, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Special Functions and Orthogonal Polynomials, III
Room 130, Integrated Learning Center
Organizers:
Diego Dominici, State University of New York at New Paltz dominicd@newpaltz.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu
- 8:00 a.m.
  The 192 Solutions of the Heun Equation.
  Robert S. Maier*, University of Arizona
  (1027-33-233)
- 8:30 a.m.
  Fractional Integration and Fractional Differentiation for $d$-dimensional Jacobi Expansions.
  Cristina Balderrama, Universidad Central de Venezuela
  Wilfredo O Urbina*, University of New Mexico & Universidad Central de Venezuela
  (1027-33-134)
- 9:00 a.m.
  Fractional Derivatives for Products of Airy Transforms.
  Vladimir V Varlamov*, University of Texas - Pan American
  (1027-33-33)
- 9:30 a.m.
  The Asymptotic Zero Distribution for Partition Polynomials.
  Robert P. Boyer*, Department of Mathematics; Drexel University
  William M. Y. Goh, Department of Mathematics; Drexel University
  (1027-33-09)
- 10:00 a.m.
  Asymptotics of zeros of Hermite functions.
  Martin E. Muldoon*, York Universlty
  (1027-33-41)
- 10:30 a.m.
  Asympototics of the Painlev\'e Equations.
  Peter A Clarkson*, University of Kent, England
  (1027-33-50)

Sunday April 22, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Representations of Algebras, III
Room 210, Modern Languages
Organizers:
Frauke Maria Bleher, University of Iowa fbleher@math.uiowa.edu
Birge K. Huisgen-Zimmermann, University of California Santa Barbara birge@math.ucsb.edu
Dan Zacharia, Syracuse University zacharia@mailbox.syr.edu
- 8:00 a.m.
  Coxeter transformations: from Lie algebras to singularity theory.
  Jose Antonio De la Pena*, UNAM, Mexico
  (1027-16-239)
- 8:30 a.m.
  Gabriel's Theorem on Quivers, Bernstein-Gelfand-Ponomarev's Reflection Functors, and Reduced Words in the Weyl Group.
  Mark Kleiner*, Syracuse University
  (1027-16-145)
- 9:00 a.m.
  Complexes of Monomial Algebras.
  Raymundo Bautista*, Instituto de Matematicas UNAM (Morelia)
  (1027-16-153)
- 9:30 a.m.
  Clusters and seeds in acyclic cluster algebras.
  Aslak Bakke Buan, Institutt for matematiske fag, Norges teknisk-naturvitenskapelige universitet
  Robert J. Marsh, Department of Mathematics, University of Leicester
  Idun Reiten, Institutt for matematiske fag, Norges teknisk-naturvitenskapelige universitet
  Gordana Glisa Todorov*, Northeastern University
  (1027-16-146)
- 10:00 a.m.
  Quasi-Morphic Rings.
  Victor P. Camillo*, University of Iowa
  (1027-16-75)
- 10:30 a.m.
  On commutative clean rings.
  W. D. Burgess*, University of Ottawa
  (1027-16-92)

Sunday April 22, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Mathematical Modeling in Biology and Medicine, III
Room 140, Integrated Learning Center
Organizers:
Carlos Castillo-Chavez, Arizona State University chavez@math.asu.edu
Yang Kuang, Arizona State University kuang@asu.edu
Hal L. Smith, Arizona State University halsmith@asu.edu
Horst R. Thieme, Arizona State University thieme@math.asu.edu
- 8:00 a.m.
  Modelling the stability and robustness of lysogen in the bacteriophage $\lambda$.
  Tomas Gedeon*, Montana State University
  Kate Rardin, Montana State University
  (1027-92-66)
- 8:30 a.m.
  The role of resource types in the control of chemostats using feedback linearization.
  Mary M Ballyk*, New Mexico State University
  Ernest Barany, New Mexico State University
  (1027-92-174)
- 9:00 a.m.
  Some Producer-Consumer Population Models with Stoichiometric Constraints.
  Bruce B Peckham*, Department of Mathematics and Statistics, University of Minnesota Duluth
  Laura J Zimmermann, Ameriprise Financial, Mayfield Heights, OH
  John Pastor, Department of Biology, University of Minnesota Duluth
  Harlan W Stech, Department of Mathematics and Statistics, University of MInnesota Duluth
  (1027-92-137)
- 9:30 a.m.
  Continuous Versus Seasonal Reproduction in Discrete Stage-Structured Population Models.
  Azmy S. Ackleh*, University of Louisiana at Lafayette
  Youssef M. Dib, University of Louisiana at Lafayette
  Sophia R.-J. Jang, University of Louisiana at Lafayette
  (1027-92-176)
- 10:00 a.m.
  A discrete model for extinction and sustainability.
  Saber N Elaydi*, Trinity University
  (1027-39-229)
- 10:30 a.m.
  Heteroclinic Cycles in the Chemostat Models and the Winnerless Competition Principle.
  Sze-Bi Hsu, National Tsing Hua University, Taiwan
  Lih-Ing W Roeger*, Texas Tech University
  (1027-92-28)

Sunday April 22, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Automorphisms of Curves, III
Room 413, Modern Languages
Organizers:
Aaron D. Wootton, University of Portland wootton@up.edu
Anthony Weaver, Bronx Community College anthonyweaver@mac.com
S. Allen Broughton, Rose-Hulman Institute of Technology allen.broughton@rose-hulman.edu
- 8:00 a.m.
  Combinatorial group-theoretic methods in the study of automorphisms of maps and surfaces.
  Marston D E Conder*, University of Auckland
  (1027-20-206)
- 9:00 a.m.
  Gap-filling for the Symmetric Genus of a Group.
  Thomas W. Tucker*, Colgate University, Hamilton NY USA
  Marston Conder, University of Auckland, Auckland, New Zealand
  (1027-20-226)
- 9:30 a.m.
  Strong Symmetric Genus and Generalized Symmetric Groups of Type $G(n,3)$.
  Michael A Jackson*, King College
  (1027-20-101)
- 10:00 a.m.
  The symmetric crosscap number of the groups $C_{m}\times D_{n}$.
  Jose Javier Etayo*, Dept. de Algebra, Universidad Complutense
  Ernesto Martinez, Dept. Matematicas Fundamentales, UNED
  (1027-20-98)
- 10:30 a.m.
  The largest non-genus of ${\Bbb Z}_{pq}$ and the Frobenius problem.
  Cormac O'Sullivan, Bronx Community College, City University of New York
  Anthony Weaver*, Bronx Community College, City University of New York
  (1027-11-38)

Sunday April 22, 2007, 8:00 a.m.-10:40 a.m.
Special Session on Subjects in and Around Fluid Dynamics, III
Room 141, Integrated Learning Center
Organizers:
Robert Owczarek, Los Alamos National Laboratory rmo@lanl.gov
Mikhail Stepanov, University of Arizona stepanov@math.arizona.edu
- 8:00 a.m.
  Bistability of optical bisolitons in optical fibers with dispersion management.
  Ildar Gabitov*, University of Arizona
  Robert Indik, University of Arizona
  Pavel Lushnikov, University of New Mexico
  Linn Mollenauer, University of Arizona
  Maxim Shkarayev, University of Arizona
  Mikhail Stepanov, University of Arizona
  (1027-78-234)
- 9:00 a.m.
  Loss Compensation in Nano-Structured Materials.
  Bridget R Kennedy*, Department of Mathematics, University of Arizona
  Ildar Gabitov, Department of Mathematics, University of Arizona
  Maxim Shkarayev, Department of Mathematics, University of Arizona
  (1027-78-236)
- 10:00 a.m.
  Collective stimulated Brillouin backscater.
  Pavel M Lushnikov*, University of New Mexico
  (1027-78-73)

Sunday April 22, 2007, 8:00 a.m.-10:40 a.m.
Special Session on Spectral Analysis on Singular and Noncompact Manifolds, III
Room 125, Integrated Learning Center
Organizers:
Juan Bautista Gil, Pennyslvania State University jgil@psu.edu
Thomas Krainer, Pennsylvania State University krainer@psu.edu
- 8:00 a.m.
  Derivatives of biharmonic functions near nonsmooth boundary.
  Vladimir Maz'ya*, Department of Mathematics, Ohio State University, Department of Mathematical Sciences, University of Liverpool, UK
  (1027-35-120)
- 9:00 a.m.
  Spectral simplicity of the Laplacian on generic polygons.
  Chris M Judge*, Indiana University, Bloomington
  Luc Hillairet, Universite Nantes
  (1027-58-42)
- 10:00 a.m.
  Nodal Lines of Convex Ergodic Billiards.
  John A Toth*, McGill University
  (1027-35-112)

Sunday April 22, 2007, 8:00 a.m.-12:00 p.m.
Exhibit and Book Sale
Lobby, Integrated Learning Center

Sunday April 22, 2007, 8:30 a.m.-10:20 a.m.
Special Session on Inverse Problems for Wave Propagation, III
Room 137, Integrated Learning Center
Organizers:
Liliana Borcea, Rice University borcea@caam.rice.edu
- 8:30 a.m.
  Time Reversal in Randomly Layered Media.
  Jean-Pierre Fouque*, University of California Santa Barbara
  (1027-60-64)
- 9:30 a.m.
  Optimal illumination and waveform design for imaging in random media.
  Chrysoula Tsogka*, Dept. of Applied Mathematics, University of Crete
  Liliana Borcea, Computational and Applied Mathematics, Rice University
  George Papanicolaou, Department of Mathematics, Stanford University
  (1027-65-97)
- 10:00 a.m.
  Selective illumination of extended targets in array imaging.
  Fernando Guevara Vasquez*, Stanford University
  Liliana Borcea, Rice University
  George Papanicolaou, Stanford University
  (1027-35-194)

Sunday April 22, 2007, 8:30 a.m.-10:50 a.m.
Special Session on Graph Theory and Combinatorics, III
Room 304, Modern Languages
Organizers:
Sebastian M. Cioaba, University of California at San Diego scioaba@math.ucsd.edu
Joshua Cooper, University of South Carolina cooper@math.sc.edu
- 8:30 a.m.
  Constrained coloring problems for planar graphs.
  Andr\'e K\"undgen*, Cal State San Marcos
  (1027-05-202)
- 9:00 a.m.
  The spectral gap of a random subgraph of a graph.
  Fan Chung, UCSD
  Paul K Horn*, UCSD
  (1027-05-204)
- 9:30 a.m.
  Distributed algorithms and graph theory.
  Andrzej Czygrinow*, Department of Mathematics and Statistics, Arizona State University
  (1027-05-169)
- 10:00 a.m.
  Spectral supersaturation in graphs.
  Vladimir Nikiforov*, University of Memphis, Tennessee, USA
  (1027-05-198)
- 10:30 a.m.
  Survey of Bulgarian Solitaire.
  Brian Hopkins*, Saint Peter's College
  (1027-05-16)

Sunday April 22, 2007, 9:00 a.m.-10:50 a.m.
Special Session on Advances in Spectral Theory of Operators, II
Room 133, Integrated Learning Center
Organizers:
Roger Roybal, California State University, Channel Islands roger.roybal@csuci.edu
Michael D. Wills, Weber State University mwills@weber.edu
- 9:00 a.m.
  Spectral pictures of $2$-variable weighted shifts.
  Ra\'ul E Curto*, University of Iowa
  (1027-47-88)
- 9:30 a.m.
  Spectra of some Toeplitz operators with almost periodic matrix symbols.
  Ilya M Spitkovsky*, College of William and Mary
  (1027-47-201)
- 10:00 a.m.
  Lagrange-Sobolev Adjoints and Lagrange-Sobolev Symmetry of Ordinary Differential Expressions.
  Lance Lee Littlejohn*, Department of Mathematics, Baylor University
  Andrea Bruder, Department of Mathematics, Baylor University
  Davut Tuncer, Department of Mathematics, Baylor University
  (1027-34-68)
- 10:30 a.m.
  Discussion

Sunday April 22, 2007, 9:00 a.m.-10:45 a.m.
Special Session on Algebraic Combinatorics, III
Room 303, Modern Languages
Organizers:
Helene Barcelo, Arizona State University barcelo@asu.edu
Susanna Fishel, Arizona State University fishel@math.la.asu.edu
- 9:00 a.m.
  Picturing the compositions series of rational Cherednik algebra modules for the groups $G(r,p,n)$.
  Stephen P. Griffeth*, University of Minnesota
  (1027-05-195)
- 9:30 a.m.
  A Schur expansion for Macdonald polynomials.
  Sami Assaf*, University of California, Berkeley
  (1027-05-102)
- 10:00 a.m.
  t-analogues of principally specialized Schur functions.
  Dennis Stanton*, School of Mathematics, University of Minnesota
  (1027-05-199)

Sunday April 22, 2007, 9:00 a.m.-10:50 a.m.
Special Session on Operator Algebras, III
Room 411, Modern Languages
Organizers:
Steven P. Kaliszewski, Arizona State University kaliszewski@asu.edu
Jack Spielberg, Arizona State University Jack.Spielberg@asu.edu
John C. Quigg, Arizona State University quigg@asu.edu
- 9:00 a.m.
  Discussion
- 10:00 a.m.
  $C^*$-algebras and self-similar groups.
  Volodymyr Nekrashevych*, Texas A&M University, College Station, TX
  (1027-46-70)
- 10:30 a.m.
  Noncommutative T-duality and Pontryagin duality for groupoids.
  Calder Daenzer*, University of Pennsylvania
  (1027-19-49)

Sunday April 22, 2007, 9:00 a.m.-10:40 a.m.
Special Session on Moduli Spaces and Invariant Theory, III
Room 202, Modern Languages
Organizers:
Philip Foth, University of Arizona foth@math.arizona.edu
Yi Hu, University of Arizona yhu@math.arizona.edu
- 9:00 a.m.
  Boundaries of the Kahler Cone of Calabi-Yau manifolds.
  Andrey Todorov*, UC Santa Cruz
  (1027-14-178)
- 10:00 a.m.
  The level-rank duality for non-abelian theta functions.
  Alina Marian, Yale University
  Dragos Oprea*, Stanford University
  (1027-14-17)

Sunday April 22, 2007, 9:30 a.m.-10:50 a.m.
Special Session on New Developments and Directions in Random Matrix Theory, III
Room 314, Modern Languages
Organizers:
Peter David Miller, University of Michigan millerpd@umich.edu
Estelle Basor, California Polytechnic State University ebasor@calpoly.edu,
- 9:30 a.m.
  Beta ensembles: from old results (semicircle laws) to new (stochastic operators).
  Ioana Dumitriu*, University of Washington, Seattle
  (1027-60-182)
- 10:00 a.m.
  Beta Tracy-Widom laws, random Schroedinger, and diffusion.
  Jose Ramirez, Universidad de Costa Rica
  Brian Rider*, University of Colorado at Boulder
  Balint Virag, University of Toronto
  (1027-60-45)
- 10:30 a.m.
  New Results on the Symmetric Polynuclear Growth Model.
  Toufic Suidan*, University of California, Santa Cruz
  (1027-60-220)

Sunday April 22, 2007, 11:00 a.m.-11:50 a.m.
Invited Address
Matrix Population Models and Semelparity.
Room 155, Integrated Learning Center
J M Cushing*, Department of Mathematics, Interdisciplinary Program in Applied Mathematics, University of Arizona
(1027-92-02)

Sunday April 22, 2007, 3:00 p.m.-4:50 p.m.
Special Session on Number Theory in the Southwest, IV
Room 310, Modern Languages
Organizers:
Dinesh S. Thakur, University of Arizona thakur@math.arizona.edu
Douglas L. Ulmer, University of Arizona ulmer@math.arizona.edu
- 3:00 p.m.
  On special values of $p$-adic L-functions.
  Adebisi Agboola*, UC Santa Barbara
  (1027-11-166)
- 3:30 p.m.
  Ranks of abelian varieties over function fields.
  Lisa Berger*, University of Arizona
  (1027-11-193)
- 4:00 p.m.
  Irreducible polynomials over number fields.
  S Jasbir Chahal*, Brigham Young University
  (1027-11-119)
- 4:30 p.m.
  ABC implies the Radicalized Vojta Height Inequality for curves.
  Machiel van Frankenhuijsen*, Utah Valley State
  (1027-11-76)

Sunday April 22, 2007, 3:00 p.m.-4:50 p.m.
Special Session on Algebraic Combinatorics, IV
Room 303, Modern Languages
Organizers:
Helene Barcelo, Arizona State University barcelo@asu.edu
Susanna Fishel, Arizona State University fishel@math.la.asu.edu
- 3:00 p.m.
  Physical Combinatorics.
  Anne Schilling*, UC Davis
  (1027-05-36)
- 4:00 p.m.
  Representations arising from the Gosset graph.
  R. M. Green*, University of Colorado at Boulder
  (1027-05-108)
- 4:30 p.m.
  Tensor factorization and Spin construction for Kac-Moody algebras.
  Rajeev Walia*, Michigan State University
  (1027-05-207)

Sunday April 22, 2007, 3:00 p.m.-5:50 p.m.
Special Session on Special Functions and Orthogonal Polynomials, IV
Room 130, Integrated Learning Center
Organizers:
Diego Dominici, State University of New York at New Paltz dominicd@newpaltz.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu
- 3:00 p.m.
  The theta-Laguerre calculus formulation of the Li/Keiper constants.
  Mark W Coffey*, Colorado School of Mines
  (1027-33-54)
- 3:30 p.m.
  Nonlinear Integral-Equation Formulation of Orthogonal Polynomials.
  Carl M. Bender*, Washington University in St. Louis and CNLS, Los Alamos National Laboratory
  (1027-33-109)
- 4:00 p.m.
  Orthogonal Polynomials and Left-definite Spectral Theory.
  Lance L Littlejohn*, Department of Mathematics, Baylor University
  (1027-33-67)
- 4:30 p.m.
  Some examples of orthogonal matrix polynomials satisfying odd order differential equations.
  Manuel D. de la Iglesia*, Universidad de Sevilla
  Antonio J. Duran, Universidad de Sevilla
  (1027-42-56)
- 5:00 p.m.
  Multivariable polynomials and Lie algebras.
  Alexander V Turbiner*, Instituto de Ciencias Nucleares, UNAM
  (1027-33-19)
- 5:30 p.m.
  Multiplicative Renormalization Method for Orthogonal Polynomials.
  Suat Namli*, Louisiana State University
  (1027-33-163)

Sunday April 22, 2007, 3:00 p.m.-4:20 p.m.
Special Session on Representations of Algebras, IV
Room 210, Modern Languages
Organizers:
Frauke Maria Bleher, University of Iowa fbleher@math.uiowa.edu
Birge K. Huisgen-Zimmermann, University of California Santa Barbara birge@math.ucsb.edu
Dan Zacharia, Syracuse University zacharia@mailbox.syr.edu
- 3:00 p.m.
  Quasitilted Rings.
  Kent R Fuller*, University of Iowa
  (1027-16-114)
- 3:30 p.m.
  Discussion
- 4:00 p.m.
  Discussion

Sunday April 22, 2007, 3:00 p.m.-4:50 p.m.
Special Session on Inverse Problems for Wave Propagation, IV
Room 137, Integrated Learning Center
Organizers:
Liliana Borcea, Rice University borcea@caam.rice.edu
- 3:00 p.m.
  Inclusion Detection in Laminar Media.
  Knut Solna*, UC Irvine
  (1027-37-87)
- 4:00 p.m.
  Reverse Time Migration Using The Adjoint-State Method.
  Eric A Dussaud*, Total E&P USA
  William W. Symes, Rice University, Comp. and Applied Mathematics
  (1027-86-128)
- 4:30 p.m.
  Applying Time-Reversal to Image Vertical Geologic Faults.
  Joyce R. McLaughlin, Rensselaer Polytechnic Institute
  Steven W. Roecker, Rensselaer Polytechnic Institute
  Jeong-Rock Yoon, Clemson University
  Polina Zheglova*, Rensselaer Polytechnic Institute
  (1027-86-126)

Sunday April 22, 2007, 3:00 p.m.-5:50 p.m.
Special Session on Mathematical Modeling in Biology and Medicine, IV
Room 140, Integrated Learning Center
Organizers:
Carlos Castillo-Chavez, Arizona State University chavez@math.asu.edu
Yang Kuang, Arizona State University kuang@asu.edu
Hal L. Smith, Arizona State University halsmith@asu.edu
Horst R. Thieme, Arizona State University thieme@math.asu.edu
- 3:00 p.m.
  Enhanced modeling of the glucose-insulin system and its application in insulin therapies.
  Haiyan Wang*, Arizona State University
  (1027-92-91)
- 3:30 p.m.
  Bimodal Epidemic Size Distributions for Near-Critical SIR with Vaccination.
  Luis F. Gordillo*, Mathematical and Theoretical Biology Institute, Department of Mathematics, Arizona State University
  Stephen Marion, Department of Health Care and Epidemiology, University of British Columbia
  Anders Martin-Lof, Department of Mathematics, Stockholm University
  Priscilla Greenwood, Mathematical and Theoretical Biology Institute, Department of Mathematics, Arizona State University
  (1027-92-07)
- 4:00 p.m.
  Simple models for horizontal and vertical transmission.
  Thanate Dhirasakdanon*, Department of Mathematics and Statistics, Arizona State University
  Stan H. Faeth, School of Life Sciences, Arizona State University
  Karl P. Hadeler, Department of Mathematics and Statistics, Arizona State University
  Horst R. Thieme, Department of Mathematics and Statistics, Arizona State University
  (1027-92-205)
- 4:30 p.m.
  Microbial Quiescence, A Survival Strategy In Environmental Stress.
  Tufail M Malik*, Arizona State University
  Hal Smith, Arizona State University
  (1027-37-192)
- 5:00 p.m.
  Demographic Fluctuations in Structured Populations.
  Joseph C Watkins*, Department of Mathematics, University of Arizona
  (1027-92-127)
- 5:30 p.m.
  Dynamics of Stoichiometric Bacteria-Algae Interactions in the Epilimnion.
  Hao Wang*, Arizona State University
  Hal L Smith, Arizona State University
  Yang Kuang, Arizona State University
  James J Elser, Arizona State University
  (1027-92-103)

Sunday April 22, 2007, 3:00 p.m.-6:00 p.m.
Special Session on Automorphisms of Curves, IV
Room 413, Modern Languages
Organizers:
Aaron D. Wootton, University of Portland wootton@up.edu
Anthony Weaver, Bronx Community College anthonyweaver@mac.com
S. Allen Broughton, Rose-Hulman Institute of Technology allen.broughton@rose-hulman.edu
- 3:00 p.m.
  Finite earthquakes and the associahedron.
  Frederick P. Gardiner*, Brooklyn College, CUNY, Brooklyn, New York
  Jun Hu, Brooklyn College, CUNY, NY
  (1027-30-27)
- 3:30 p.m.
  Some metric properties of the Teichm\"uller space of a Riemann surface rel a closed subset.
  Sudeb Mitra*, Queens College of the City University of New York
  (1027-32-168)
- 4:00 p.m.
  Discussion

Sunday April 22, 2007, 3:00 p.m.-5:50 p.m.
Special Session on Subjects in and Around Fluid Dynamics, IV
Room 141, Integrated Learning Center
Organizers:
Robert Owczarek, Los Alamos National Laboratory rmo@lanl.gov
Mikhail Stepanov, University of Arizona stepanov@math.arizona.edu
- 3:00 p.m.
  Free-surface hydrodynamics in conformal variables.
  V E Zakharov*, University of Arizona
  (1027-76-196)
- 4:00 p.m.
  Irreversibility and chaos in shear flow carrying particles.
  Alan L. Graham, Los Alamos National Laboratory
  Marc Ingber, The University of New Mexico
  Marina Popova, The University of New Mexico
  Peter Vorobieff*, The University of New Mexico
  (1027-76-227)
- 5:00 p.m.
  Meandering Streams.
  Keith Mertens*, Colorado State University
  Vakhtang Putkaradze, Colorado State University
  Peter Vorobieff, University of New Mexico
  Bjorn Birnir, University of California Santa Barbra
  (1027-97-142)
- 5:30 p.m.
  Metal Melting After Explosion- the first 30 Microsecunds.
  Hanna E. Makaruk*, Los Alamos National Laboratory
  (1027-76-72)

Sunday April 22, 2007, 3:00 p.m.-5:40 p.m.
Special Session on Moduli Spaces and Invariant Theory, IV
Room 202, Modern Languages
Organizers:
Philip Foth, University of Arizona foth@math.arizona.edu
Yi Hu, University of Arizona yhu@math.arizona.edu
- 3:00 p.m.
  Global quotient structure of moduli of orbifold stable maps.
  Hsian-Hua Tseng*, Department of Mathematics, University of British Columbia
  (1027-14-77)
- 4:00 p.m.
  Toric schemes over a discrete valuation ring and applications to compactification of very affine varieties.
  Zhenhua Qu*, University of Texas - Austin
  (1027-14-171)
- 5:00 p.m.
  The infinitely near Borel-fixed points on the Hilbert scheme.
  Morgan P. Sherman*, California State University, Channel Islands
  (1027-14-132)

Sunday April 22, 2007, 3:00 p.m.-5:40 p.m.
Special Session on Spectral Analysis on Singular and Noncompact Manifolds, IV
Room 125, Integrated Learning Center
Organizers:
Juan Bautista Gil, Pennyslvania State University jgil@psu.edu
Thomas Krainer, Pennsylvania State University krainer@psu.edu
- 3:00 p.m.
  Functional determinants for separable partial differential operators.
  Klaus Kirsten*, Baylor University
  (1027-58-34)
- 4:00 p.m.
  The residue determinant from a topological point of view.
  Frederic Rochon*, Stony Brook University
  (1027-58-116)
- 5:00 p.m.
  The eta invariant for quantum graphs.
  Paul Loya, SUNY Binghamton
  Patrick McDonald*, New College of Florida
  (1027-58-210)

Inquiries: meet@ams.org

American Mathematical Society

Meetings

AMS Sectional Meeting Program by Day

2007 Spring Western Section Meeting
Tucson, AZ, April 21-22, 2007 (Saturday - Sunday)
Meeting #1027

Sunday April 22, 2007

Quick Links

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American Mathematical Society

Meetings

AMS Sectional Meeting Program by Day

2007 Spring Western Section Meeting Tucson, AZ, April 21-22, 2007 (Saturday - Sunday) Meeting #1027

Sunday April 22, 2007

Quick Links

2007 Spring Western Section Meeting
Tucson, AZ, April 21-22, 2007 (Saturday - Sunday)
Meeting #1027