
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 2122, 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

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

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

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. HuisgenZimmermann, 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
(102716239)

8:30 a.m.
Gabriel's Theorem on Quivers, BernsteinGelfandPonomarev's Reflection Functors, and Reduced Words in the Weyl Group.
Mark Kleiner*, Syracuse University
(102716145)

9:00 a.m.
Complexes of Monomial Algebras.
Raymundo Bautista*, Instituto de Matematicas UNAM (Morelia)
(102716153)

9:30 a.m.
Clusters and seeds in acyclic cluster algebras.
Aslak Bakke Buan, Institutt for matematiske fag, Norges teknisknaturvitenskapelige universitet
Robert J. Marsh, Department of Mathematics, University of Leicester
Idun Reiten, Institutt for matematiske fag, Norges teknisknaturvitenskapelige universitet
Gordana Glisa Todorov*, Northeastern University
(102716146)

10:00 a.m.
QuasiMorphic Rings.
Victor P. Camillo*, University of Iowa
(10271675)

10:30 a.m.
On commutative clean rings.
W. D. Burgess*, University of Ottawa
(10271692)

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 CastilloChavez, 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
(10279266)

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
(102792174)

9:00 a.m.
Some ProducerConsumer 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
(102792137)

9:30 a.m.
Continuous Versus Seasonal Reproduction in Discrete StageStructured 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
(102792176)

10:00 a.m.
A discrete model for extinction and sustainability.
Saber N Elaydi*, Trinity University
(102739229)

10:30 a.m.
Heteroclinic Cycles in the Chemostat Models and the Winnerless Competition Principle.
SzeBi Hsu, National Tsing Hua University, Taiwan
LihIng W Roeger*, Texas Tech University
(10279228)

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, RoseHulman Institute of Technology allen.broughton@rosehulman.edu

8:00 a.m.
Combinatorial grouptheoretic methods in the study of automorphisms of maps and surfaces.
Marston D E Conder*, University of Auckland
(102720206)

9:00 a.m.
Gapfilling for the Symmetric Genus of a Group.
Thomas W. Tucker*, Colgate University, Hamilton NY USA
Marston Conder, University of Auckland, Auckland, New Zealand
(102720226)

9:30 a.m.
Strong Symmetric Genus and Generalized Symmetric Groups of Type $G(n,3)$.
Michael A Jackson*, King College
(102720101)

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
(10272098)

10:30 a.m.
The largest nongenus 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
(10271138)

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
(102778234)

9:00 a.m.
Loss Compensation in NanoStructured 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
(102778236)

10:00 a.m.
Collective stimulated Brillouin backscater.
Pavel M Lushnikov*, University of New Mexico
(10277873)

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

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.
JeanPierre Fouque*, University of California Santa Barbara
(10276064)

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
(10276597)

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
(102735194)

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

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

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

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

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

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,

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
(10279202)

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

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

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 thetaLaguerre calculus formulation of the Li/Keiper constants.
Mark W Coffey*, Colorado School of Mines
(10273354)

3:30 p.m.
Nonlinear IntegralEquation Formulation of Orthogonal Polynomials.
Carl M. Bender*, Washington University in St. Louis and CNLS, Los Alamos National Laboratory
(102733109)

4:00 p.m.
Orthogonal Polynomials and Leftdefinite Spectral Theory.
Lance L Littlejohn*, Department of Mathematics, Baylor University
(10273367)

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
(10274256)

5:00 p.m.
Multivariable polynomials and Lie algebras.
Alexander V Turbiner*, Instituto de Ciencias Nucleares, UNAM
(10273319)

5:30 p.m.
Multiplicative Renormalization Method for Orthogonal Polynomials.
Suat Namli*, Louisiana State University
(102733163)

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. HuisgenZimmermann, University of California Santa Barbara birge@math.ucsb.edu
Dan Zacharia, Syracuse University zacharia@mailbox.syr.edu

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

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 CastilloChavez, 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 glucoseinsulin system and its application in insulin therapies.
Haiyan Wang*, Arizona State University
(10279291)

3:30 p.m.
Bimodal Epidemic Size Distributions for NearCritical 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 MartinLof, Department of Mathematics, Stockholm University
Priscilla Greenwood, Mathematical and Theoretical Biology Institute, Department of Mathematics, Arizona State University
(10279207)

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
(102792205)

4:30 p.m.
Microbial Quiescence, A Survival Strategy In Environmental Stress.
Tufail M Malik*, Arizona State University
Hal Smith, Arizona State University
(102737192)

5:00 p.m.
Demographic Fluctuations in Structured Populations.
Joseph C Watkins*, Department of Mathematics, University of Arizona
(102792127)

5:30 p.m.
Dynamics of Stoichiometric BacteriaAlgae 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
(102792103)

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, RoseHulman Institute of Technology allen.broughton@rosehulman.edu

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.
Freesurface hydrodynamics in conformal variables.
V E Zakharov*, University of Arizona
(102776196)

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
(102776227)

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
(102797142)

5:30 p.m.
Metal Melting After Explosion the first 30 Microsecunds.
Hanna E. Makaruk*, Los Alamos National Laboratory
(10277672)

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

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
Inquiries: meet@ams.org

