AMS Sectional Meeting Program by Day
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2011 Fall Central Section Meeting
University of NebraskaLincoln, Lincoln, NE
October 1416, 2011 (Friday  Sunday)
Meeting #1074
Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu
Friday October 14, 2011

Friday October 14, 2011, 2:00 p.m.6:00 p.m.
Book sale and exhibit.
B13 Math Resource Room, Avery Hall

Friday October 14, 2011, 2:00 p.m.6:00 p.m.
Sectional Meeting Registration.
Lobby Area  Level 0  Avery Hall, Avery Hall

Friday October 14, 2011, 2:55 p.m.3:45 p.m.
Invited Address
Entropy theory for actions of sofic groups.
Room 115, Avery Hall
Lewis P. Bowen*, Texas A&M University
(10743701)

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Algorithmic and Geometric Properties of Groups and Semigroups, I
Room 119, Avery Hall
Organizers:
Susan Hermiller, University of NebraskaLincoln shermiller2@math.unl.edu
John Meakin, University of NebraskaLincoln

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Association Schemes and Related Topics, I
Room 108, Avery Hall
Organizers:
Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin Madison

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Asymptotic Behavior and Regularity for Nonlinear Evolution Equations, I
Room 204, Burnett Hall
Organizers:
Petronela Radu, University of NebraskaLincoln pradu@math.unl.edu
Lorena Bociu, University of NebraskaLincoln

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Coding Theory, I
Room 110, Avery Hall
Organizers:
Christine Kelley, University of NebraskaLincoln ckelley2@math.unl.edu
Judy Walker, University of NebraskaLincoln

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, I
Room 107, Burnett Hall
Organizers:
Christina EubanksTurner, University of Louisiana at Lafayette ceturner@louisiana.edu
Aihua Li, Montclair State University

Friday October 14, 2011, 4:00 p.m.5:45 p.m.
Special Session on Computational and Applied Mathematics, I
Room 124, Burnett Hall
Organizers:
Ludwig Kohaupt, Beuth University of Technology Berlin, Germany kohaupt@bhtberlin.de
Yan Wu, Georgia Southern University

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Continuous and Numerical Analysis in the Control of PDE's, I
Room 203, Burnett Hall
Organizers:
George Avalos, University of NebraskaLincoln
Mohammad Rammaha, University of NebraskaLincoln
Daniel Toundykov, University of NebraskaLincoln dtoundykov2@unl.edu

4:00 p.m.
Studies of a model in Xray darkfield tomography.
Weimin Han*, Department of Mathematics, University of Iowa, Iowa City, IA 52242, USA
(10746535)

4:30 p.m.
Linear stability analysis for traveling waves of second order in time PDE's.
Milena Stanislavova*, University of Kansas
Atanas Stefanov, University of Kansas
(107435241)

5:00 p.m.
MultiDimensional Stability of Discrete Traveling Waves.
Erik S Van Vleck*, University of Kansas
(107435182)

5:30 p.m.
Asymptotic behavior of a determining form for the 2D NavierStokes equations.
Ciprian Foias, Texas A&M University
Michael Jolly*, Indiana University
Rostyslav Kravchenko, University of Chicago
Edriss Titi, University of California Irvine, Weizmann Institute
(107435281)

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Discrete Methods and Models in Biomathematics, I
Room 121, Burnett Hall
Organizers:
Dora Matache, University of NebraskaOmaha
Jim Rogers, University of NebraskaOmaha
Alan VelizCuba, University of NebraskaLincoln avelizcuba2@unl.edu

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Dynamic Systems on Time Scales with Applications, I
Room 118, Burnett Hall
Organizers:
Lynn Erbe, University of NebraskaLincoln lerbe@math.unl.edu
Allan Peterson, University of NebraskaLincoln

4:00 p.m.
Time Scales Ostrowski and Grüss Type Inequalities involving Three Functions.
Elvan AkinBohner, Missouri S&T
Martin Bohner*, Missouri S&T
Thomas Matthews, Missouri S&T
(107434180)

4:30 p.m.
Oscillation of Even Order Nonlinear Delay Dynamic Equations on Time Scales.
Raziye Mert*, Çankaya University, Department of Mathematics and Computer Science, 06530, Ankara,Turkey
Ağacık Zafer, Middle East Technical University, Department of Mathematics, 06531, Ankara, Turkey
(10743494)

5:00 p.m.
Some results on the stability of the generalized exponential function on time scales.
Chris R Ahrendt*, University of WisconsinEau Claire
Kevin A Ahrendt, University of NebraskaLincoln
(10743996)

5:30 p.m.
Almost oscillatory threedimensional dynamical systems.
Elvan Akin Bohner*, Missouri University S&T
Zuzana Dosla, Masaryk University Brno
Bonita Lawrence, Marshall University Huntington
(107437158)

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Dynamical Systems and Operator Algebras, I
Room 119, Burnett Hall
Organizers:
Lewis Bowen, Texas A&M University lpbowen@math.tamu.edu
David Kerr, Texas A&M University

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Extremal and Probabilistic Combinatorics, I
Room 118, Avery Hall
Organizers:
Stephen Hartke, University of NebraskaLincoln hartke@math.unl.edu
Jamie Radcliffe, University of NebraskaLincoln

4:00 p.m.
Hitting random set systems.
Anant Godbole*, East Tennessee State University (ETSU)
Jessie Deering, ETSU
William Jamieson, ETSU
Lucia Petito, University of Rochester
(10740544)

4:30 p.m.
The maximum size of a Sidon set contained in a sparse random set of integers.
Yoshiharu Kohayakawa, IME, University of Sao Paulo
Sangjune Lee*, Department of Math and CS, Emory University
Vojtech Rodl, Department of Math and CS, Emory University
(10740536)

5:00 p.m.
Identification of strategies for liartype games via discrepancy from their linear approximations.
Joshua N. Cooper, University of South Carolina
Robert B. Ellis*, Illinois Institute of Technology
Daniel Tietzer, Illinois Institute of Technology
James Williamson, Illinois Institute of Technology
(107405271)

5:30 p.m.
Cops and Robbers on Geometric Graphs.
Andrew Beveridge*, Macalester College
Andrzej Dudek, Western Michigan University
Alan Frieze, Carnegie Mellon University
Tobias Mueller, Centrum voor Wiskunde en Informatica
(107405227)

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Invariants in Knot Theory and Lowdimensional Topology, I
Room 109, Avery Hall
Organizers:
Mark Brittenham, University of NebraskaLincoln mbrittenham2@math.unl.edu
Robert Todd, University of NebraskaOmaha rtodd@unomaha.edu

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Local Commutative Algebra, I
Room 103, Burnett Hall
Organizers:
H. Ananthnarayan, University of NebraskaLincoln ahariharan2@math.unl.edu
Inês B. Henriques, University of California Riverside
Hamid Rahmati, Syracuse University

Friday October 14, 2011, 4:00 p.m.5:45 p.m.
Special Session on Quantum Groups and Representation Theory, I
Room 111, Avery Hall
Organizers:
Jonathan Kujawa, University of Oklahoma kujawa@ou.edu
Natasha Rozhkovskaya, Kansas State University

Friday October 14, 2011, 4:00 p.m.5:50 p.m.
Special Session on Recent Progress in Operator Algebras, I
Room 120, Burnett Hall
Organizers:
Allan P. Donsig, University of NebraskaLincoln adonsig1@unl.edu
David R. Pitts, University of NebraskaLincoln

Friday October 14, 2011, 5:00 p.m.5:50 p.m.
Special Session on Matrices and Graphs, I
Room 112, Avery Hall
Organizers:
InJae Kim, Minnesota State University injae.kim@mnsu.edu
Adam Berliner, St. Olaf College
Leslie Hogben, Iowa State University
Bryan Shader, University of Wyoming

5:00 p.m.
Positive semidefinite maximum nullity is equal to positive semidefinite zero forcing number for partial $2$trees.
Jason Ekstrand, Department of Mathematics, Iowa State University
Craig Erickson*, Department of Mathematics, Iowa State University
Diana Hay, Department of Mathematics, Iowa State University
Leslie Hogben, Department of Mathematics, Iowa State University
Jolie Roat, Department of Mathematics, Iowa State University
(107405153)

5:30 p.m.
Positive Semidefinite Zero Forcing.
Travis A. Peters*, Iowa State University
(10741564)

Friday October 14, 2011, 8:30 p.m.9:30 p.m.
Graduate Student Poster Session
Ballroom, Downtown Holiday Inn
Inquiries: meet@ams.org