AMS Sectional Meeting Program by Day
Current as of Saturday, October 29, 2005 01:24:05
2005 Fall Central Section Meeting
Lincoln, NE, October 2123, 2005
Meeting #1011
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Sunday October 23, 2005

Sunday October 23, 2005, 8:00 a.m.11:20 a.m.
Special Session on Calculus of Variations, IV
Room 203, Burnett Hall
Organizers:
Mikil Foss, University of NebraskaLincoln mfoss@math.unl.edu
Giovanni Leoni, Carnegie Mellon University giovanni@andrew.cmu.edu

8:00 a.m.
Global Lipschitz regularity of minimizers for asymptotically convex integrals.
Mikil Foss*, University of NebraskaLincoln
(101149320) 
8:30 a.m.
Variational multiscale problems and applications to thin films.
Margarida N Ba\'ia*, Instituto Superior T\'ecnico
(101149273) 
9:00 a.m.
A model for the epitaxial growth of an elastic thin film on a latticemismatched substrate.
Irene Fonseca, Carnegie Mellon University
Nicola Fusco, University of Naples
Giovanni Leoni, Carnegie Mellon University
Massimiliano Morini*, International School for Advanced Studies of Trieste
(101149232) 
9:30 a.m.
Periodic phase separation: the periodic CahnHilliard and isoperimetric problems.
Peter J Sternberg*, Department of Mathematics, Indiana University
Rustum Choksi, Department of Mathematics, Simon Fraser University
(10114997) 
10:00 a.m.
Vortices in 2D BoseEinstein condensates.
Radu Ignat, Laboratoire J.L. Lions, University Paris 6
Vincent Millot*, Carnegie Mellon University
(101135167) 
10:30 a.m.
Lagrangian cartesian currrents and weak continuity of the determinant of the Hessian.
Robert L Jerrard*, University of Toronto
(101158258) 
11:00 a.m.
A twodimensional compressible membrane theory as a Gammalimit of threedimensional incompressible elasticity.
Georg K Dolzmann*, Mathematics Department, University of Maryland, College Park, MD 20742
(101149322)

8:00 a.m.

Sunday October 23, 2005, 8:00 a.m.9:50 a.m.
Special Session on Universal Algebra and Order, IV
Room 108, Avery 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

8:00 a.m.
Almost Distributive Sublattices and Congruence Heredity.
John W Snow*, Sam Houston State University
(10110632) 
8:30 a.m.
When voter preferences are partially ordered.
Michael Ackerman, Bellarmine University
SulYoung Choi, LeMoyne College
Peter Coughlin, University of Maryland
Eric Gottlieb, Rhodes College
Japheth Wood*, Chatham College
(101106263) 
9:00 a.m.
Tensor Products of Semilattices, Semimodularity and Supersolvability (A Problem of E. T. Schmidt from 1974 and Some Conjectures of Quackenbush from 1985).
Jonathan David Farley*, Center for International Security, Stanford University
(101106299) 
9:30 a.m.
Nondualizability of finite algebras with a semilattice operation.
David M. Clark, SUNY at New Paltz
Brian A. Davey, La Trobe University
Jane G. Pitkethly, La Trobe University
Ross Willard*, University of Waterloo
(101106394)

8:00 a.m.

Sunday October 23, 2005, 8:00 a.m.11:20 a.m.
Special Session on Association Schemes and Related Topics, III
Room 119, Avery Hall
Organizers:
Sung Yell Song, Iowa State university sysong@iastate.edu
Paul M. Terwilliger, University of Wisconsin terwilli@math.wisc.edu

8:00 a.m.
On Euclidean designs.
Etsuko Bannai*, Faculty of Mathematics, Graduate school, Kyushu University
(101105118) 
8:30 a.m.
GelfandTzetlin bases and association schemes.
Kenneth W Johnson*, Penn Sate University, Abington College
(101105256) 
9:00 a.m.
Homogeneous Ppolynomial Integral Table Algebras.
Harvey I. Blau, Northern Illinois University
Robert J. Hein*, Northern Illinois University
(101113145) 
9:30 a.m.
Polygonal Designs: Existence and Construction.
Gargi Bhattacharyya*, Dept. of math. at Iowa State University
John Hegeman, Stanford University
Jeff Langford, Drake University
Joohyung Kim, Iowa State University
Sung Y. Song, Iowa State University
(101105314) 
10:00 a.m.
A new method of finding fusion schemes.
Jianmin Ma*, Oxford College of Emory University
(101105208) 
10:30 a.m.
Duality of BoseMesner algebras.
Brian W Curtin*, University of South Florida
(101105141) 
11:00 a.m.
Some remarks on imprimitive cometric (Qpolynomial) association schemes.
William J. Martin*, Department of Mathematical Sciences, WPI
Jason S. Williford, Department of Mathematical Sciences, WPI
(101105376)

8:00 a.m.

Sunday October 23, 2005, 8:00 a.m.11:20 a.m.
Special Session on Dynamic Equations on Time Scales, IV
Room 110, Avery Hall
Organizers:
Lynn H. Erbe, University of NebraskaLincoln lerbe@math.unl.edu
Allan C. Peterson, University of NebraskaLincoln apeterso@math.unl.edu

8:00 a.m.
Delay Dynamic Equations with Stability.
Robert J. Krueger*, Concordia University, St. Paul
Douglas R. Anderson, Concordia College
Allan C. Peterson, University of NebraskaLincoln
(10113996) 
8:30 a.m.
Linear Fractional Difference Equations.
Paul W Eloe*, University of Dayton
Ferhan Atici, Western Kentucky University
(10113929) 
9:00 a.m.
Oscillation and nonoscillation of forced second order dynamic equations.
Martin Bohner*, University of MissouriRolla
Christopher C Tisdell, University of New South Wales
(101139264) 
9:30 a.m.
On Regularly and Strongly Decaying Solutions of Quasilinear Dynamic Equations.
Elvan AkinBohner*, University of MissouriRolla
(101134354) 
10:00 a.m.
Oscillation for oddorder neutral $\Delta$differential delay equations on a time scale.
Ronald M Mathsen*, North Dakota State University
(10113414) 
10:30 a.m.
Detection of the connecting orbits using the boundary map in Conley index theory.
Catalin Georgescu*, Department of Mathematical Sciences, The University of South Dakota
(10113721) 
11:00 a.m.
Periodicity and Stability in Neutral Nonlinear Dynamic Equations with Functional Delay on a Time Scale.
Eric R Kaufmann*, University of Arkansas at Little Rock
Youssef N Raffoul, University of Dayton
(101134157)

8:00 a.m.

Sunday October 23, 2005, 8:00 a.m.11:20 a.m.
Special Session on Mathematical Ecology, IV
Room 103, Burnett Hall
Organizers:
David Logan, University of NebraskaLincoln dlogan@math.unl.edu
William Robert Wolesensky, College of St. Mary wwolesensky@CSM.edu

8:00 a.m.
Map reduction for bifurcations en a route to bursting activity in neuron models.
Andrey Shilnikov*, Department of Mathematics & Statistics, GSU
Paul Channel, Department of Mathematics & Statistics, GSU
Genndady Cymbalyuk, Dept Physics and Astronomy, GSU
(101137217) 
8:30 a.m.
Front Solutions to Spatially Discrete Nerve Axon Models.
Christopher Erhart Elmer*, New Jersey Institute of Technology
(101139231) 
9:00 a.m.
The evolution of dispersal in patchy environments.
Steve Kirkland, University of Regina
ChiKwong Li, The College of William and Mary
Sebastian Schreiber*, The College of William and Mary
(101192321) 
10:00 a.m.
Asymptotic Analysis of the Spruce Budworm Model.
Glenn Ledder*, Department of Mathematics, University of NebraskaLincoln
(101192319) 
10:30 a.m.
Bistable Waves in Discrete Media.
Erik S Van Vleck*, Department of Mathematics/University of Kansas
(101135390) 
11:00 a.m.
PoissonNernstPlanck systems for narrow tubularlike membrane channels.
Weishi Liu*, University of Kansas
Bixiang Wang, New Mexico Institute of Mining and Technology
(101137393)

8:00 a.m.

Sunday October 23, 2005, 8:30 a.m.11:30 a.m.
Special Session on Combinatorial Matrix Theory, IV
Room 19, Avery Hall
Organizers:
Leslie Hogben, Iowa State University lhogben@iastate.edu
Bryan L. Shader, University of Wyoming bshader@uwyo.edu

8:30 a.m.
Matrix Completion Problems.
Leslie Hogben*, Iowa State University
(10111547) 
9:00 a.m.
Some results on the matrix completion problem for various classes of $P_{0,1}$matrices.
Amy Wangsness*, Fitchburg State College
(101115161) 
9:30 a.m.
The Totally Nonnegative Completion Problem.
Brenda K. Kroschel*, Univ. of St. Thomas
Charles R. Johnson, College of William and Mary
Emily B. Dryden, McGill University
(101115262) 
10:00 a.m.
Some recent matrix results in mathematical biology.
ChiKwong Li*, College of William and Mary
(10111543) 
10:30 a.m.
Linear maps transforming the higher numerical ranges.
Chi Kwong Li, College of William and Mary
Yiu Tung Poon*, Iowa State University
Nung Sing Sze, The University of Hong Kong
(101115189) 
11:00 a.m.
Some Results on Structured Mmatrices.
J. Ding*, Department of Mathematics, The University of Southern Mississippi
Wallace C. Pye, Department of Mathematics, The University of Southern Mississippi
(10111530)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Nonlinear Analysis and Control of Partial Differential Equations, IV
Room 120, 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

8:30 a.m.
Elliptic sineGordon equation.
Zhonghai Ding*, University of Nevada Las Vegas
(10113564) 
9:00 a.m.
Stochastic Equations with a Fractional Brownian Motion.
Tyrone E. Duncan*, University of Kansas
(101160166) 
9:30 a.m.
Hadamard Wellposedness for a Class of Nonlinear Shallow Shell Problems.
Catherine Lebiedzik*, Wayne State University
(101135392) 
10:00 a.m.
The VlasovPoisson System with Infinite Mass and Energy.
Stephen D Pankavich*, Indiana University
(101135374) 
10:30 a.m.
Solvability of the Possio integral equation.
Peter L Polyakov*, University of Wyoming
(101145184) 
11:00 a.m.
Stochastic Differential Equations in a Hilbert Space Induced from a Fractional Brownian Motion.
Bozenna J. PasikDuncan*, University of Kansas
(101160384)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:15 a.m.
Special Session on Commutative Algebra, III
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

8:30 a.m.
Vanishing of Ext and Tor over certain local rings.
David A. Jorgensen*, University of Texas at Arlington
(101113272) 
9:30 a.m.
Strict Map of Modules and Intersection Multiplicity.
Sankar P Dutta*, Dept. of Mathematics, University of Illinois at UrbanaChampaign
(10111356) 
10:30 a.m.
Squarezero matrices over commutative local rings.
Luchezar L. Avramov*, University of Nebraska, Lincoln
RagnarOlaf Buchweitz, Universty of Toronto
Srikanth Iyengar, University of Nebraska
Claudia Miller, Syracuse University
(101113259)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on KTheory and Algebraic Cycles
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

8:30 a.m.
Two Extended Forms of the HirzebruchRiemannRoch Formula.
CY. Jean Chan*, Department of Mathematical Sciences, University of Arkansas
(101113284) 
9:00 a.m.
Comparing cycles in positive and mixed characteristic.
Paul C Roberts*, University of Utah
(101113229) 
10:00 a.m.
Projective modules over smooth real affine varieties.
S. M. Bhatwadekar, School of Mathematics, Tata Institute of Fundamental Research, India
Mrinal K. Das*, University of Kansas
Satya Mandal, University of Kansas
(101113247) 
10:30 a.m.
Cyclic homology, $cdh$cohomology and negative $K$theory.
G Corti\~nas, Universidad de Valladolid
C Haesemeyer, University of Illinois
M Schlichting, Louisiana State University
C Weibel*, Rutgers University
(10111963)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Analysis of Partial Differential and Integral Equations, IV
Room 232, Burnett Hall
Organizers:
Congming Li, University of Colorado Congming.Li@colorado.edu

8:30 a.m.
A parabolic equation with coefficients in a new Kato type class.
Qi S. Zhang*, Math. Dept. University of California Riverside
(101135293) 
9:00 a.m.
Isolated Singularities of Nonlinear Elliptic Inequalities.
Steven D. Taliaferro*, Texas A&M University
(10113572) 
9:30 a.m.
Ramified transportation and the formation of tree leaves.
Qinglan Xia*, University of California at Davis
(101149318) 
10:00 a.m.
Global WellPosedness of Some PDEs of Fluid Type.
Tom Hou, CalTech
Congming Li*, Applied Math, Univ of Colorado, Boulder, CO 80309
(10113569) 
10:30 a.m.
Vorticity and Regularity of Viscous 3D Incompressible Flows.
Ning Ju*, Oklahoma State University
(10113518) 
11:00 a.m.
Stability of Traveling wave solutions of Nonlinear Reaction Diffusion Equations.
XiaoJie Hou, The University of Cincinnati
Yi Li*, University of Iowa
(101135386)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Undergraduate Research, IV
Room 115, Avery Hall
Organizers:
Richard L. Rebarber, University of NebraskaLincoln rrebarbe@math.unl.edu
Gordon S. Woodward, University of NebraskaLincoln gwoodwar@math.unl.edu

8:30 a.m.
SampledData Stabilization of a Beam Equation.
Jonas Azzam, University of NebraskaLincoln
Jesse Windle*, University of TexasAustin
(101193309) 
9:00 a.m.
Alexander Quandle Identification.
Gabriel Murillo*, University of California, Riverside
Sam Nelson, University of California, Riverside
Anthony Thompson, University of California, Riverside
(101155341) 
9:30 a.m.
Twist Number for Graphs.
Thomas Albertson*, California State University, Long Beach
(101105312) 
10:00 a.m.
A Genetic Algorithm For the Minimum Tollbooth Problem.
Corby Harwood*, Whitworth College, Spokane, WA
(101190335) 
10:30 a.m.
Virtually cyclic subgroups of threedimensional crystallographic groups.
Andrew Gainer*, Mercer University, Macon, GA
Lisa Lackney, University of Akron
Katelyn Parker, Wellesley College
(101120332) 
11:00 a.m.
The Pebbling Number for Graphs.
Joyce Charlesworth, WarrenWilson College
Theang Ho*, University of NebraskaLincoln
Brian Keinath, Central Michigan University
David Lin, Princeton University
(101105338)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.10:50 a.m.
Special Session on Algebraic Geometry, IV
Room 111, Avery Hall
Organizers:
Brian Harbourne, University of NebraskaLincoln bharbour@math.unl.edu
Bangere P. Purnaprajna, University of Kansas purna@math.ku.edu

8:30 a.m.
Set theoretic complete intersection of ideals in a regular affine algebra.
Ze Min Zeng*, Washington University in St. Louis
(101113185) 
9:00 a.m.
Generators for vector bundles.
Mohan Kumar Neithalath, Washington University in St. Louis, St. Louis MO
A. P. Rao, University of Missouri St. Louis
Ravindra V Girivaru*, Washington University in St. Louis, St. Louis MO
(101114221) 
9:30 a.m.
The Jacobian Conjecture as a Problem in Combinatorics.
David L Wright*, Washington University
(101114196) 
10:00 a.m.
Minimal Separators of fat points in $\mathbb{P}^n$.
Elena Guardo*, Dipartimento di Matematica e Informatica  Catania  Italy
Lucia Marino, Dipartimento di Matematica e Informatica  Catania  Italy
(101114265) 
10:30 a.m.
The GreenGriffithsKobayashi conjectures on algebraic degeneracy.
Karen Anne Chandler*, University of Missouri  St. Louis
PitMann Wong, University of Notre Dame
(101113364)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.9:20 a.m.
Special Session on Scattering and Spectral Problems in Geometry, IV
Room 205, Burnett Hall
Organizers:
Peter A. Perry, University of Kentucky perry@ms.uky.edu
Alejandro Uribe, University of Michigan uribe@umich.edu

8:30 a.m.
Determinant of Laplacian associated to a Kleinian group.
Andrew McIntyre*, Centre de recherches math\'ematiques
(101158350) 
9:00 a.m.
Linearized boundary distance rigidity problem and DirichlettoNeumann map.
Vladimir A. Sharafutdinov*, Sobolev Institute of Mathematics
(101158139)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Recent Progress in Operator Algebras, IV
Room 118, Burnett Hall
Organizers:
Allan P. Donsig, University of NebraskaLincoln adonsig@math.unl.edu
David R. Pitts, University of NebraskaLincoln dpitts@math.unl.edu

8:30 a.m.
A Contractive MASA Bimodule Projection Whose Range Is Not a SubTRO.
Vern Ival Paulsen*, Mathematics Department, University of Houston
(101147267) 
9:00 a.m.
Operator Quantum Error Correction.
David W Kribs*, Institute for Quantum Computing and University of Guelph
(101181121) 
9:30 a.m.
An additive formula for invariant subspaces and their complements.
Xiang Fang*, Kansas State University
(101147154) 
10:00 a.m.
Covariant Poisson structures on complex Grassmannians.
A. Sheu*, University of Kansas
N. Ciccoli, Universit/'a di Perugia
(101153313) 
10:30 a.m.
${Z}^{2}$actions and semicrossed products.
Justin R. Peters*, Iowa State University
(10114765) 
11:00 a.m.
Fock space techniques in tensor algebras of directed graphs.
Alvaro Arias*, University of Denver
(101146120)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, IV
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

8:30 a.m.
What properties do groups of random knots have?
Paul Schupp*, University of Illinois
Kari Barkley, Lafayette College
(101120274) 
9:00 a.m.
Ends for Monoids and Semigroups.
Vesna Kilibarda*, Indiana University Northwest
David A. Jackson, Saint Louis University
(10112027) 
9:30 a.m.
A criterion for property FA$_n$.
Angela K. Barnhill*, The Ohio State University
(101120331) 
10:00 a.m.
Artin groups in a continuous context.
Jon McCammond*, UC Santa Barbara
(101120169) 
10:30 a.m.
Rewriting systems and orderings on Artin monoids.
Patrick Bahls*, The University of North Carolina, Asheville
Tyler Smith, Vanderbilt University
(101120246) 
11:00 a.m.
Minimal Splittings of Coxeter Groups.
Michael L Mihalik*, Vanderbilt University
Steve Tschantz, Vanderbilt University
(101120285)

8:30 a.m.

Sunday October 23, 2005, 8:30 a.m.11:20 a.m.
Special Session on Graph Theory, IV
Room 102, Burnett 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

8:30 a.m.
Discussion 
9:00 a.m.
Multidecomposition of the Complete Graph with Various Leaves.
Atif Abueida*, University of Dayton
(101105305) 
9:30 a.m.
Ranks of Complements of Graphs.
Gayla S Domke*, Purdue University North Central
George J Davis, Georgia State University
Charles R Garner, Rockdale County High School
(101105351) 
10:00 a.m.
Combinatorial structures with regular (full) automorphism group.
Robert Jajcay*, Indiana State University
(101105358) 
10:30 a.m.
Hamilton paths in cubic Cayley graphs.
Henry H Glover*, Ohio State University
Dragan Maru\v si\v c, IMFM, University of Ljubljana
(101105190) 
11:00 a.m.
Local $3$colorings of complete graphs.
Steven Klee, Valparaiso University
Daniel Menna, Valparaiso University
Amy Palash, Valparaiso University
Zsuzsanna Szaniszlo*, Valparaiso University
William Young, Valparaiso University
(101105242)

8:30 a.m.

Sunday October 23, 2005, 9:00 a.m.11:20 a.m.
Special Session on Geometry of Differential Equations, IV
Room 204, Burnett 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

9:00 a.m.
Moving Frames for Lie Pseudogroups.
Peter J. Olver*, University of Minnesota
(10115831) 
9:30 a.m.
Variational Calculus in Moving Frames.
Irina A Kogan*, North Carolina State University
Ian Anderson, Utah State University
(10115371) 
10:00 a.m.
Shallow water equation on a symplectic submanifold and solutions.
Zhijun George Qiao*, University of Texas  Pan American
(10113585) 
10:30 a.m.
Geometric Invariant Theory on Killing Tensors.
Roman Smirnov*, Department of Mathematics and Statistics, Dalhousie University
(101153343) 
11:00 a.m.
Representations of lowdimensional Lie algebras.
Ryad A Ghanam*, University of Pittsburgh at Greensburg
(101153214)

9:00 a.m.

Sunday October 23, 2005, 9:00 a.m.11:20 a.m.
Special Session on Representation Theory of Noetherian Rings, III
Room 112, Avery Hall
Organizers:
Roger A. Wiegand, University of NebraskaLincoln rwiegand@math.unl.edu
Sylvia Margaret Wiegand, University of NebraskaLincoln swiegand@math.unl.edu

9:00 a.m.
Mixed Polynomial/Power Series Rings and Relations among their Spectra.
William Heinzer*, Purdue University
Christel Rotthaus, Michigan State University
Sylvia Wiegand, University of Nebraska
(10111368) 
9:30 a.m.
Generic Rings for Local Cohomology.
Raymond C Heitmann*, University of Texas at Austin
(101113276) 
10:00 a.m.
The core of ideals in arbitrary characteristic.
Louiza Fouli*, Purdue University
(101113257) 
10:30 a.m.
Integrally closed overrings of twodimensional Noetherian domains.
Bruce Olberding*, New Mexico State University
(101113223) 
11:00 a.m.
Rings cofinite in their Henselization.
Peter Vamos*, Department of Mathematical Sciences, University of Exeter, UK
(101113311)

9:00 a.m.

Sunday October 23, 2005, 9:00 a.m.11:20 a.m.
Special Session on Mathematical and Engineering Aspects of Coding Theory, IV
Room 121, Burnett Hall
Organizers:
Lance Perez, University of NebraskaLincoln lperez@unl.edu
Judy Walker, University of NebraskaLincoln jwalker@math.unl.edu

9:00 a.m.
Duality Theory for SpaceTime Codes over Finite Fields.
David Grant*, University of Colorado at Boulder
Mahesh K Varanasi, University of Colorado at Boulder
(101194291) 
9:30 a.m.
McEliece Theorems for Cyclic Codes over Galois Rings.
Daniel J. Katz*, Princeton University, Department of Mathematics
(101105253) 
10:00 a.m.
sExtremal Additive GF(4) Codes.
JonLark Kim*, University of Louisville
Judy Walker, University of Nebraska  Lincoln
(101194289) 
10:30 a.m.
SelfDual Codes over $Z_8$ and $Z_9$.
Steven Dougherty, University of Scranton
Aaron Gulliver*, University of Victoria
(101194144) 
11:00 a.m.
Invariantbased Face Recognition.
Nigel Boston*, University of Wisconsin, Madison
(101122283)

9:00 a.m.

Sunday October 23, 2005, 11:40 a.m.12:30 p.m.
Invited Address
LDPC codes and their pseudocodewords.
Room 115, Burnett Hall
Judy L. Walker*, University of Nebraska
(101194315) 
Sunday October 23, 2005, 2:00 p.m.3:20 p.m.
Special Session on Nonlinear Analysis and Control of Partial Differential Equations, V
Room 120, 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

2:00 p.m.
A discontinuous solution for the timedependent compressible NavierStokes system in a bounded domain.
Minsu Song*, Department of Mathematics,Pohang University of Science and Technology,Korea
(10113528) 
2:30 p.m.
Computation of controllable pairs in discretizations of the Schroedinger equation.
Katherine A. Kime*, Department of Mathematics and Statistics, University of Nebraska at Kearney, Kearney NE 68849
(101193162) 
3:00 p.m.
Some controllability results for parabolic equations by means of multiplicative and nonnegative additive controls of local support.
Alexander Y Khapalov*, Washington State University
Luis Alberto Fernandez, Universidad de Cantabria, Spain
(101193324)

2:00 p.m.

Sunday October 23, 2005, 2:00 p.m.2:50 p.m.
Special Session on Calculus of Variations, V
Room 203, Burnett Hall
Organizers:
Mikil Foss, University of NebraskaLincoln mfoss@math.unl.edu
Giovanni Leoni, Carnegie Mellon University giovanni@andrew.cmu.edu

2:00 p.m.
The structure of spaces of maps into homogeneous spaces.
Dave Auckly*, Kansas State University
Lev Kapitanski, University of Miami
(10115824) 
2:30 p.m.
Homogeneous spaces and FaddeevSkyrme model.
Sergiy V. Koshkin*, Kansas State University
(101158275)

2:00 p.m.

Sunday October 23, 2005, 2:00 p.m.2:50 p.m.
Special Session on Dynamic Equations on Time Scales, I
Room 110, Avery Hall
Organizers:
Lynn H. Erbe, University of NebraskaLincoln lerbe@math.unl.edu
Allan C. Peterson, University of NebraskaLincoln apeterso@math.unl.edu

2:00 p.m.
Positive solutions of the nonlinear semipositone SturmLiouville problem on time scales.
Nickolai Kosmatov*, University of Arkansas at Little Rock
(101134362) 
2:30 p.m.
Discrete Solutions of Basic Diffusion Equations.
Andreas Dr. Ruffing, Technical University Munich, Germany
Maria Meiler*, Technical University Munich, Germany
(101100346)

2:00 p.m.

Sunday October 23, 2005, 2:00 p.m.3:20 p.m.
Special Session on Geometric Methods in Group Theory and Semigroup Theory, V
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

2:00 p.m.
Embeddings of rightangled Artin groups into graph braid groups.
Lucas A Sabalka*, University of Illinois at UrbanaChampaign
(101120125) 
2:30 p.m.
The Simultaneous Conjugacy Problem for Thompson's Group $F$ is Solvable.
Francesco Matucci*, Cornell University
Martin Kassabov, Cornell University
(101120128) 
3:00 p.m.
On the Homotopy Classification of 1Relator Groups.
Jens Harlander*, Western Kentucky University
Jaqueline A Jensen, Sam Houston State University
(101120383)

2:00 p.m.