AMS Sectional Meeting Program by Day
Current as of Friday, April 15, 2005 00:25:30
2005 Spring Central Section Meeting
Lubbock, TX, April 810, 2005
Meeting #1006
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Sunday April 10, 2005

Sunday April 10, 2005, 8:00 a.m.10:50 a.m.
Special Session on Recent Advances in Complex Function Theory, IV
Room 011, Mathematics and Statistics Building
Organizers:
Brock Williams, Texas Tech University williams@math.ttu.edu
Roger W. Barnard, Texas Tech University barnard@math.ttu.edu
Kent Pearce, Texas Tech University pearce@math.ttu.edu

8:00 a.m.
Weighted distortion in conformal mapping in euclidean, hyperbolic and elliptic geometry.
Daniela Kraus, Department of Mathematics, University of Würzburg, Germany
Oliver Roth*, Department of Mathematics, University of Würzburg, Germany
(100630125) 
8:30 a.m.
Geodesics and curvature of a M\"obius invariant metric.
Zair Ibragimov*, University of Cincinnati
David Herron, University of Cincinnati
David Minda, University of Cincinnati
(10063017) 
9:00 a.m.
A Variational Method for Hyperbolically Convex Functions.
Roger W Barnard, Texas Tech University
G Lenny Ornas*, McNeese State University
Kent Pearce, Texas Tech University
(100630227) 
9:30 a.m.
Parametric representation and linear functionals associated with extension operators for biholomorphic mappings.
Ian Graham, University of Toronto
Gabriela Kohr, BabesBolyai University
John Pfaltzgraff*, University of North Carolina
(100632166) 
10:00 a.m.
Linear Invariant Families on the Ball, Extremal Problems and Invariant Mappings.
John A. Pfaltzgraff, UNC Chapel Hill
Ted J. Suffridge*, University of Kentucky
(100632211) 
10:30 a.m.
Minimal area problem for nonvanishing functions.
Clint Richardson*, Stephen F. Austin State University
Roger W. Barnard, Texas Tech University
Alex Yu. Solynin, Texas Tech University
(100630207)

8:00 a.m.

Sunday April 10, 2005, 8:30 a.m.9:50 a.m.
Special Session on Future Directions in Mathematical Systems and Control Theory, IV
Room 108, Mass Communications Building
Organizers:
David Gilliam, Texas Tech University gilliam@math.ttu.edu
W. P. Dayawansa, Texas Tech University wdayawansa@yahoo.com

8:30 a.m.
Java and Control Systems Simulations.
Channa N Navaratna*, Texas Tech University, Lubbock, TX 79413
(100693192) 
9:00 a.m.
AlmostGlobal Tracking of Simple Mechanical Systems on a General Class of Lie Groups.
Sanjeeva D. H. Maithripala*, Post Doctoral Research Associate/Texas Tech University
Jordan M Berg, Professor/Texas Tech University
Wijesuriya P Dayawansa, Professor/Texas Tech University
(100693185) 
9:30 a.m.
Generating Stable Travelling Pulses in Mems Arrays.
Rathnamalee Palamakumbura, Department of Mathematics and Statistics, Texas Tech University
Sanjeewa Maithripala, Department of Mechanical Engineering, Texas Tech University
Wijesuriua Dayawansa*, Department of Mathematics and Statistics, Texas Tech University
(10069357)

8:30 a.m.

Sunday April 10, 2005, 8:30 a.m.11:20 a.m.
Special Session on Topology of Continua, IV
Room 110, Mathematics and Statistics Building
Organizers:
Wayne Lewis, Texas Tech University wlewis@math.ttu.edu

8:30 a.m.
Metrics on Hyperspaces  Intuition and Theory.
Wlodzimierz J. Charatonik*, University of MissouriRolla
Matt Insall, University of MissouriRolla
(100654218) 
9:00 a.m.
Compactifications of $[0,\infty )$ are $F_{n}$determined if n is different from 3.
Jorge M MartinezMontejano*, Instituto de Matematicas, UNAM
(100654238) 
9:30 a.m.
Representation of the Composant Equivalence Relation for Indecomposable Continua.
David J Ryden*, Baylor University
(100654247) 
10:00 a.m.
Equidistant sets of boundary components for connected open sets in the complex sphere.
Jan Aarts, Technical University Delft, The Netherlands
Gaston Brouwer*, University of Alabama at Birmingham (UAB)
Lex Oversteegen, University of Alabama at Birmingham (UAB)
(100654257) 
10:30 a.m.
Discussion 
11:00 a.m.
Discussion

8:30 a.m.

Sunday April 10, 2005, 8:30 a.m.11:25 a.m.
Special Session on Differential Geometry and Its Applications, IV
Room 108, Mathematics and Statistics Building
Organizers:
Josef F. Dorfmeister, Munich University of Technology dorfm@mathematik.tumuenchen.de
Magdalena D. Toda, Texas Tech University mtoda@math.ttu.edu
Hongyou Wu, Northern Illinois University wu@math.niu.edu

8:30 a.m.
Soliton solutions of the selfdual YangMills equation on $R^{2,2}$.
Bo Dai*, University of California, Irvine and Peking University
ChuuLian Terng, Department of Mathematics, University of California, Irvine
(100653140) 
9:30 a.m.
Harmonic maps from the plane to Lie groups and symmetric spaces.
Emma Carberry*, Massachusetts Institute of Technology
Ian McIntosh, University of York
Erxiao Wang, University of Texas at Austin
(100653119) 
10:00 a.m.
The Geometry of the Smallest Circle Enclosing a Finite Set of Points.
Lance D. Drager*, Texas Tech University, Department of Math and Stat.
Jeffery M. Lee, Texas Tech University, Dept. of Math and Stat.
Clyde F. Martin, Texas Tech University, Department of Math and Stat.
(100651186) 
10:30 a.m.
Witten deformation and index of Dirac operators.
Igor Prokhorenkov*, Texas Christian University
Ken Richardson, Texas Christian University
(10065813) 
11:00 a.m.
Discussion

8:30 a.m.

Sunday April 10, 2005, 8:30 a.m.11:15 a.m.
Special Session on Classical and Differential Galois Theory, IV
Room 114, Mathematics and Statistics Building
Organizers:
Lourdes Juan, Texas Tech University ljuan@koch.math.ttu.edu
Arne Ledet, Texas Tech University aledet@math.ttu.edu
Andy R. Magid, University of Oklahoma amagid@ou.edu

8:30 a.m.
Generic PicardVessiot extensions and generic equations.
Lourdes Juan*, Texas Tech University
Andy Magid, University of Oklahoma
(100612200) 
9:00 a.m.
Regular realizations of $p$groups.
John L. Hammond*, University of Texas at Austin
(100612141) 
9:30 a.m.
Cyclic Algebras over padic Curves.
David J Saltman*, University of Texas at Austin
(100616161) 
10:30 a.m.
Galois theory of parameterized differential equations and linear differential algebraic groups.
Phyllis J Cassidy, The City College of New York City
Michael F Singer*, North Carolina State university
(10061258)

8:30 a.m.

Sunday April 10, 2005, 8:30 a.m.11:20 a.m.
Special Session on Topology of Dynamical Systems, IV
Room 109, Mathematics and Statistics Building
Organizers:
Brian Raines, Baylor University Brian_Raines@baylor.edu

8:30 a.m.
Discussion 
9:00 a.m.
Discussion 
9:30 a.m.
The structure of $\mathbf{R}$actions.
Rolf Suabedissen*, University of Oxford, UK
(100654154) 
10:00 a.m.
Chainability and Hemmingsen's theorem.
Paul Bankston*, Marquette University
Brian Raines, Baylor University
Wim Ruitenburg, Marquette University
(10065470) 
10:30 a.m.
Siegel Disks Whose Boundaries Have Only Two Complementary Domains.
James T Rogers, Jr.*, Tulane University
(10063731) 
11:00 a.m.
Inverse limits applied to a Cashinadvance model from economics.
Judy A Kennedy*, University of Delaware
David R Stockman, University of Delaware
James A Yorke, University of Maryland
(100637129)

8:30 a.m.

Sunday April 10, 2005, 9:00 a.m.10:20 a.m.
Special Session on Extinction, Periodicity, and Chaos in Population and Epidemic Models, IV
Room 110, Mass Communications Building
Organizers:
Linda J. S. Allen, Texas Tech University lallen@math.ttu.edu
Sophia RueyJen Jang, University of Louisiana at Lafayette jang@louisiana.edu
LihIng W. Roeger, Texas Tech University lroeger@math.ttu.edu

9:00 a.m.
The impact of isolation on population growth and epidemic propagation.
Fabio Augusto Milner*, Department of Mathematics, Purdue University
Daniel Maxin, Department of MAthematics, Purdue University
(100692130) 
9:30 a.m.
A Discrete SISModel for a VectorTransmitted Disease.
K. W. Blayneh*, Florida A&M University
(100637224) 
10:00 a.m.
A class of nonstandard symplectic discretization methods for LotkaVolterra system.
LihIng Wu Roeger*, Texas Tech University
(10066554)

9:00 a.m.

Sunday April 10, 2005, 9:00 a.m.11:20 a.m.
Special Session on Discrete Groups, Homogeneous Spaces, Rigidity, IV
Room 014, Mathematics and Statistics Building
Organizers:
Alex Gorodnik, University of Michigan,Ann Arbor gorodnik@umich.edu
Hee Oh, California Institute of Technology heeoh@its.caltech.edu
Nicolas Monod, University of Chicago monod@math.uchicago.edu

9:00 a.m.
Asymptotic expenders and Ramanujan graphs.
Rostislav Grigorchuk*, Texas A&M University
(100620100) 
10:00 a.m.
Divergent torus orbits in homogeneous spaces of rational rank two.
Pralay Chatterjee*, Department of Maths, Rice University
Dave Witte Morris, Department of Mathematics and Computer Science, University of Lethbridge
(100600121) 
10:30 a.m.
Weakly hyperbolic actions of Kazhdan groups on tori.
Benjamin I Schmidt*, University of Michigan
(10063783) 
11:00 a.m.
Multiple mixing of noncommuting automorphisms.
Alexander Gorodnik*, California Institute of Technology
(100637118)

9:00 a.m.

Sunday April 10, 2005, 9:00 a.m.10:45 a.m.
Special Session on Partial Differential Equation and Its Application in Biomedical Study, IV
Room 109, Mass Communications Building
Organizers:
Jay R. Walton, Texas A&M University jwalton@math.tamu.edu
Padmanabhan Seshaiyer, Texas Tech University padhu@koch.math.ttu.edu
Akif Ibragimov, Texas Tech University akifibragimov@yahoo.com

9:00 a.m.
On the Existence of Traveling Wave Solutions for a ParabolicHyperbolic System Arising from a Size Dependent Population Model.
A I Ibragimov, Texas Tech University
J R Walton*, Texas A&M University
(100635128) 
10:00 a.m.
Simulation and Modeling in Bilogical Systems (Problem Descussion).
Akif Ibragimov*, Texas Tech University
(100692217)

9:00 a.m.

Sunday April 10, 2005, 9:00 a.m.11:20 a.m.
Special Session on Invariants of Links and 3Manifolds, III
Room 111, Mathematics and Statistics Building
Organizers:
Mieczyslaw Krzysztof Dabkowski, University of Texas at Dallas mdab@utdallas.edu
Razvan Gelca, Texas Tech University rgelca@math.ttu.edu
Jozef Henryk Przytycki, George Washington University przytyck@gwu.edu

9:00 a.m.
The Alexander polynomial and knot homologies.
Charles Frohman*, The University of Iowa
Oliver Dasbach, Louisiana State University
(100657172) 
9:30 a.m.
The Noncommutative Apolynomial of Torus Knots.
Kristen Sellke*, The University of Iowa
(100657170) 
10:00 a.m.
Notes on the Kauffman bracket skein module of handlebodies.
Fumikazu Nagasato*, Department of Mathematics, Tokyo Institute of Technology, Japan (From April, 1st)
(100651146) 
10:30 a.m.
Spanning Trees and Khovanov Homology.
Abhijit Champanerkar*, University of South Alabama
Ilya Kofman, Barnard College, Columbia University
Oleg Viro, Uppsala University
(100657117) 
11:00 a.m.
On Kauffman's spanning tree expansion of the Alexander Polynomial.
Oliver Dasbach*, LSU
Charles Frohman, University of Iowa
(100657256)

9:00 a.m.

Sunday April 10, 2005, 9:20 a.m.10:30 a.m.
Special Session on Real Algebraic Geometry, IV
Room 010, Mathematics and Statistics Building
Organizers:
Anatoly Korchagin, Texas Tech University korchag@math.ttu.edu
David Weinberg, Texas Tech University weinberg@math.ttu.edu

9:20 a.m.
Rigid isotopies of real $y$trinomial curves.
Victor I. Zvonilov*, Syktyvkar State University
(10061440) 
10:00 a.m.
The classification of $M$curves of bidegree $(d,3)$ with $d\geq 2$ on the torus.
Lina M. Williams*, Texas Tech University
Anatoly B. Korchagin, Texas Tech University
(100614213)

9:20 a.m.