
AMS Sectional Meeting Program by Day
Current as of Saturday, October 29, 2005 01:24:04
Program 
Deadlines 
Registration/Housing/Etc. 
Special Event or Lecture 
Inquiries: meet@ams.org
2005 Fall Central Section Meeting
Lincoln, NE, October 2123, 2005
Meeting #1011
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Friday October 21, 2005

Friday October 21, 2005, 8:30 a.m.10:50 a.m.
Special Session on Randomness in Computation, I
Room 347, Avery Hall Organizers: John M. Hitchcock, University of Wyoming jhitchco@cs.uwyo.edu
Aduri Pavan, Iowa State University pavan@cs.iastate.edu
Vinodchandran Variyam, University of NebraskaLincoln vinod@cse.unl.edu

8:30 a.m.
Quadratic Lower Bounds on Matrix Rigidity.
Satyanarayana V. Lokam*, Microsoft Research, Redmond, WA
(101168177)

9:00 a.m.
Reconstructive Dispersers and Hitting Set Generators.
Christopher Umans*, Computer Science Dept., Caltech, Pasadena CA
(101168269)

9:30 a.m.
If NP languages are hard on the worstcase then it is easy to find their hard instances.
Dan Gutfreund, Hebrew University
Ronen Shaltiel, University of Haifa
Amnon TaShma*, TelAviv University
(101168355)

10:00 a.m.
Dimensions of CopelandErd\"os Sequences.
Jack H. Lutz*, Department of Computer Science, Iowa State University
(101168292)

10:30 a.m.
FiniteState Dimension and Relative Frequencies.
Xiaoyang Gu*, Department of Computer Science, Iowa State University
(101168337)

Friday October 21, 2005, 12:00 p.m.5:00 p.m.
Meeting Registration
Room 13B, Avery Hall

Friday October 21, 2005, 12:00 p.m.5:00 p.m.
Exhibit and Book Sale
Room 13B, Avery Hall

Friday October 21, 2005, 1:45 p.m.3:40 p.m.
Special Session on Combinatorial Matrix Theory, I
Room 120, Burnett Hall Organizers: Leslie Hogben, Iowa State University lhogben@iastate.edu
Bryan L. Shader, University of Wyoming bshader@uwyo.edu

1:45 p.m.
Sign patterns, inverses, and generalized inverses.
Thomas Britz, Technical University of Denmark
Dale Olesky, Department of Computer Science, University of Victoria, Canada
Pauline vanden Driessche, Department of Mathematics, University of Victoria, Canada
Bryan L. Shader*, Mathematics Department, University of Wyoming
(101115137)

2:15 p.m.
On Spectrally Arbitrary Patterns.
Michael S. Cavers, Univeristy of Waterloo
InJae Kim, University of Wyoming
Bryan L. Shader, University of Wyoming
Kevin N. Vander Meulen*, Redeemer University College
(101115106)

2:45 p.m.
Spectrally Arbitrary ZeroNonzero Patterns.
Judith J McDonald*, Washington State University
(101115159)

3:15 p.m.
Ray Patterns, Determinants and Inversion.
Jeffrey Stuart*, Pacific Lutheran University
(101115179)

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Geometry of Differential Equations, I
Room 304, Oldfather Hall Organizers: Jeanne Nielsen Clelland, University of Colorado Jeanne.Clelland@Colorado.EDU
Irina A. Kogan, North Carolina State University iakogan@ncsu.edu
Zhijun Qiao, University of TexasPan American qiao@utpa.edu

1:45 p.m.
On the twophase Stefan problem.
Marianne K. Korten, Kansas State University
Charles N. Moore*, Kansas State University
(10113515)

2:15 p.m.
Existence, uniqueness and regularity of the free boundary in the HeleShaw problem with a degenerate phase.
Ivan Blank, Worcester Polytechnic Institute
Marianne Korten*, Kansas State University
Charles Moore, Kansas State University
(10113516)

2:45 p.m.
The FinslerLandsberg problem again.
Gerard Thompson*, Department of Mathematics, The University of Toledo, 2801 W Bancroft St, Toledo, OH 43606
(101153302)

3:15 p.m.
Partial Differential Equations which Admit Integrable Systems.
Paul Bracken*, University of Texas
(10115326)

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Nonlinear Analysis and Control of Partial Differential Equations, I
Room 204, Burnett Hall Organizers: George Avalos, University of NebraskaLincoln gavalos@math.unl.edu
Petronela Radu, University of NebraskaLincoln pradu@math.unl.edu
Mohammad A. Rammaha, University of NebraskaLincoln rammaha@math.unl.edu
Richard L. Rebarber, University of NebraskaLincoln rrebarbe@math.unl.edu

Friday October 21, 2005, 1:45 p.m.3:40 p.m.
Special Session on Mathematical Education of Teachers, I
Room 119, Burnett Hall Organizers: W. James Lewis, University of NebraskaLincoln jlewis@math.unl.edu
Cheryl Lynn Olsen, Shippensburg University of Pennsylvania clolse@ship.edu
Ira J. Papick, University of MissouriColumbia papicki@missouri.edu

Friday October 21, 2005, 1:45 p.m.3:30 p.m.
Special Session on KTheory and Algebraic Cycles, I
Room 109, Avery Hall Organizers: Christian Haesemeyer, University of Illinois at UrbanaChampaign chh@math.uiuc.edu
Gregory Grant Piepmeyer, University of NebraskaLincoln gpiepmey@math.unl.edu
Mark Edward Walker, University of NebraskaLincoln mwalker@math.unl.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Calculus of Variations, I
Room 203, Burnett Hall Organizers: Mikil Foss, University of NebraskaLincoln mfoss@math.unl.edu
Giovanni Leoni, Carnegie Mellon University giovanni@andrew.cmu.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Undergraduate Research, I
Room 110, Avery Hall Organizers: Richard L. Rebarber, University of NebraskaLincoln rrebarbe@math.unl.edu
Gordon S. Woodward, University of NebraskaLincoln gwoodwar@math.unl.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Universal Algebra and Order, I
Room 208, Oldfather Hall Organizers: Jonathan D. Farley, Harvard University lattice@math.harvard.edu
John William Snow, Sam Houston State University jsnow@shsu.edu
Japheth L. M. Wood, Chatham College jwood@chatham.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Scattering and Spectral Problems in Geometry, I
Room 307, Oldfather Hall Organizers: Peter A. Perry, University of Kentucky perry@ms.uky.edu
Alejandro Uribe, University of Michigan uribe@umich.edu

Friday October 21, 2005, 1:45 p.m.3:30 p.m.
Special Session on Commutative Algebra and Representation Theory of Noetherian Rings, I
Room 106, Avery Hall Organizers: Lars Winther Christensen, University of NebraskaLincoln winther@math.unl.edu
Srikanth B. Iyengar, University of NebraskaLincoln iyengar@math.unl.edu
Sean M. SatherWagstaff, California State University, Dominguez Hills swagstaff@math.unl.edu
Roger A. Wiegand, University of NebraskaLincoln rwiegand@math.unl.edu
Sylvia Margaret Wiegand, University of NebraskaLincoln swiegand@math.unl.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Recent Progress in Operator Algebras, I
Room 205, Burnett Hall Organizers: Allan P. Donsig, University of NebraskaLincoln adonsig@math.unl.edu
David R. Pitts, University of NebraskaLincoln dpitts@math.unl.edu

Friday October 21, 2005, 1:45 p.m.3:30 p.m.
Special Session on Mathematical and Engineering Aspects of Coding Theory, I
Room 121, Burnett Hall Organizers: Lance Perez, University of NebraskaLincoln lperez@unl.edu
Judy Walker, University of NebraskaLincoln jwalker@math.unl.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Dynamic Equations on Time Scales, I
Room 203, Oldfather Hall Organizers: Lynn H. Erbe, University of NebraskaLincoln lerbe@math.unl.edu
Allan C. Peterson, University of NebraskaLincoln apeterso@math.unl.edu

1:45 p.m.
Limits of SturmLiouville Eigenvalues When the Domain Shrinks to a Point.
Anton Zettl*, Northern Illinois University
Qingkai Kong, Northern Illinois University
Hongyou Wu, Northern Illinois University
(101134160)

2:15 p.m.
Asymptotics of some $q$exponentials  are they always of order zero?
Moritz Simon*, Institute of Biomathematics and Biometry; GSF  National Research Center for Environment and Health; Neuherberg, Germany
(101133123)

2:45 p.m.
Discrete Diffusion Equations.
Andreas L. Ruffing*, Department of Mathematics, Munich University of Technology, Garching, Germany
Maria Meiler, Department of Mathematics, Munich University of Technology, Garching, Germany
(101139363)

3:15 p.m.
Finite Element Analysis of Quasistatic Variational Inequalities with Applications in Elastoplasticity and Contact Mechanics.
Weimin Han*, Department of Mathematics, University of Iowa
(10116508)

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, I
Room 107, Burnett Hall Organizers: Susan M. Hermiller, University of NebraskaLincoln smh@math.unl.edu
John C. Meakin, University of NebraskaLincoln jmeakin@math.unl.edu
Zoran Sunik, Texas A&M University sunik@math.tamu.edu

Friday October 21, 2005, 1:45 p.m.3:05 p.m.
Special Session on Randomness in Computation, II
Room 347, Avery Hall Organizers: John M. Hitchcock, University of Wyoming jhitchco@cs.uwyo.edu
Aduri Pavan, Iowa State University pavan@cs.iastate.edu
Vinodchandran Variyam, University of NebraskaLincoln vinod@cse.unl.edu

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Graph Theory, I
Room 209, Oldfather Hall Organizers: Andrew J. Radcliffe, University of NebraskaLincoln jradclif@math.unl.edu
Zsuzsanna Szaniszlo, Valparaiso University zsuzsanna.szaniszlo@valpo.edu
Jonathan Cutler, University of NebraskaLincoln jcutler@math.unl.edu

1:45 p.m.
On a Problem of Horak.
Jonathan Cutler*, University of NebraskaLincoln
(101105192)

2:15 p.m.
More on Defensive Alliances in Graphs.
Grady Bullington, University of Wisconsin Oshkosh
Steven J Winters, University of Wisconsin Oshkosh
Linda Eroh*, University of Wisconsin Oshkosh
(101105244)

2:45 p.m.
New Families of Isoperimetric Graphs.
Sergei L Bezrukov*, University of WisconsinSuperior
(101105369)

3:15 p.m.
Generalized Tur\'an Theorem.
Yoshiharu Kohayakawa, Universidade de S\~{a}o Paulo, Brazil
Vojtech R\"odl, Emory University
Mathias Schacht, HumboldtUniversit\"at zu Berlin, Germany
Papa Amar Sissokho, Illinois State University
Jozef Skokan*, Universidade de S\~{a}o Paulo, Brazil
(10110583)

Friday October 21, 2005, 1:45 p.m.3:35 p.m.
Special Session on Mathematical Ecology, I
Room 118, Avery Hall Organizers: David Logan, University of NebraskaLincoln dlogan@math.unl.edu
William Robert Wolesensky, College of St. Mary wwolesensky@CSM.edu

Friday October 21, 2005, 2:45 p.m.3:05 p.m.
Special Session on Analysis of Partial Differential and Integral Equations, I
Room 309, Oldfather Hall Organizers: Congming Li, University of Colorado Congming.Li@colorado.edu

Friday October 21, 2005, 2:45 p.m.3:35 p.m.
Special Session on Algebraic Geometry, I
Room 204, Oldfather Hall Organizers: Brian Harbourne, University of NebraskaLincoln bharbour@math.unl.edu
Bangere P. Purnaprajna, University of Kansas purna@math.ku.edu

Friday October 21, 2005, 4:00 p.m.4:50 p.m.
Einstein Public Lecture in Mathematics ``In celebration of the 100th anniversary of Albert Einstein's annus mirabilis"
The nature of space.
Auditorium, Kimball Recital Hall
Sir Michael Atiyah*, University of Edinburgh
(10110011)

Friday October 21, 2005, 5:15 p.m.6:45 p.m.
Reception Hosted by the Department of Mathematics
Lobby, Van Brunt Visitor Center
Inquiries: meet@ams.org

