AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:10:32
Program 
Deadlines 
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Inquiries: meet@ams.org
2003 Joint Central and Western Section Meeting
Boulder, CO, October 24, 2003
Meeting #989
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Michel L Lapidus, AMS
lapidus@math.ucr.edu,
lapidus@mathserv.ucr.edu
Thursday October 2, 2003

Thursday October 2, 2003, 8:00 a.m.4:00 p.m.
Meeting Registration
Lobby, Mathematics Building

Thursday October 2, 2003, 8:00 a.m.4:00 p.m.
Exhibit and Book Sale
Lobby, Mathematics Building

Thursday October 2, 2003, 9:00 a.m.10:50 a.m.
Special Session on Algebras, Lattices and Varieties, I
Room 151 (1st Floor), Engineering Center (ECCR)
Organizers:
Keith A. Kearnes, University of Colorado, Boulder kearnes@euclid.colorado.edu
Agnes Szendrei, Bolyai Institute szendrei@math.uszeged.hu
Walter Taylor, University of Colorado, Boulder wtaylor@euclid.colorado.edu

9:00 a.m.
Issues and images in congruence meetsemidistributivity.
Kirby A Baker*, UCLA
(9890884)

9:30 a.m.
The finite basis problem for finitely generated quasivarieties.
Ralph N McKenzie*, Vanderbilt University
(98908140)

10:30 a.m.
Endoprimal abelian groups.
R G\"obel, Universit\"at DuisburgEssen, Germany
K Kaarli, University of Tartu, Estonia
L M\'arki*, R\'enyi Institute, Hungary
S L Wallutis, Universit\"at DuisburgEssen, Germany
(98920116)

Thursday October 2, 2003, 9:00 a.m.10:50 a.m.
Special Session on Geometric Methods in Partial Differential Equations, I
Room 1B 40 (Basement), Engineering Center (ECCR)
Organizers:
Jeanne N. Clelland, University of Colorado, Boulder Jeanne.Clelland@colorado.edu
George R. Wilkins, University of Hawaii grw@math.hawaii.edu

9:00 a.m.
Nonclassical Potential Solutions of Partial Differential Equations.
George W. Bluman*, University of British Columbia
Zhenya Yan, University of British Columbia
(98935139)

10:00 a.m.
Second order families of associative submanifolds of ${\mathbb R}^7$.
Robert L Bryant*, Duke University
(9895341)

Thursday October 2, 2003, 9:00 a.m.10:50 a.m.
Special Session on Groupoids in Analysis and Geometry, I
Room 133 (1st Floor), Engineering Center (ECCR)
Organizers:
Lawrence Baggett, University of Colorado, Boulder baggett@euclid.colorado.edu
Jerry Kaminker, Indiana UniversityPurdue University Indianapolis kaminker@math.iupui.edu
Judith Packer, University of Colorado, Boulder packer@euclid.colorado.edu

9:00 a.m.
A KKtheoretic approach to the groupoid index theorem.
Alan L Paterson*, University of Mississippi
(9891933)

9:30 a.m.
Extensions of Group Representations.
Astrid an Huef, University of New South Wales
S Kaliszewski*, Arizona State University
Iain Raeburn, University of Newcastle
(98947187)

10:00 a.m.
kGraphs, Coverings, and Coactions.
David Pask, University of Newcastle
John Quigg*, Arizona State University
Iain Raeburn, University of Newcastle
(98946177)

10:30 a.m.
Lifting groups of automorphisms from the Ktheory of a UCTKirchberg algebra.
Jack Spielberg*, Arizona State University
(98946181)

Thursday October 2, 2003, 9:00 a.m.10:45 a.m.
Special Session on Noncommutative Geometry and Geometric Analysis, I
Room 139 (1st Floor), Engineering Center (ECCR)
Organizers:
Carla Farsi, University of Colorado farsi@euclid.colorado.edu
Alexander Gorokhovsky, University of Colorado gorokhov@euclid.colorado.edu
Siye Wu, University of Colorado siye.wu@colorado.edu

9:00 a.m.
On Positive Scalar Curvature.
Paul Frank Baum*, Penn State University
(9895343)

10:00 a.m.
Strings, Fractal Membranes and Noncommmutative Spacetimes.
Michel L. Lapidus*, University of California, Riverside
(98958141)

Thursday October 2, 2003, 9:00 a.m.10:50 a.m.
Special Session on Finite Geometries, I
Room 118 (1st Floor), Engineering Center (ECCR)
Organizers:
Stanley E. Payne, University of Colorad Denver spayne@math.cudenver.edu
Robert Allen Liebler, Colorado State University liebler@math.colostate.edu

9:00 a.m.
Multiple Nests.
Norman L. Johnson*, University of Iowa
(9895167)

9:30 a.m.
Sharply and Super Sharply Focused Arcs in Desarguesian Planes.
William E Cherowitzo*, University of Colorado at Denver
Leanne D Holder, St. Mary's University
(98951197)

10:00 a.m.
Arcs and Ovals from Abelian Groups.
Dina Ghinelli*, Università di Roma "La Sapienza"
Dieter Jungnickel, Universitaet Augsburg
Marialuisa de Resmini, Università di Roma La Sapienza
(98952188)

10:30 a.m.
On $(2n,2,2n,n)$ relative difference sets in nonsolvable groups.
Yutaka Hiramine*, Department of Mathematics, Faculty of Education, Kumamoto University
(9890565)

Thursday October 2, 2003, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, I
Room 1B 55 (Basement), Engineering Center (ECCR)
Organizers:
Bernard Deconinck, Colorado State University deconinc@math.colostate.edu
Harvey Segur, University of Colorado Boulder Harvey.Segur@colorado.edu

9:00 a.m.
Nonlinear fluid convection: from solitons to turbulence.
Darryl D. Holm*, Los Alamos National Laboratory and Mathematics Department, Imperial College, London
(98935203)

9:30 a.m.
The modulation theory for the CamassaHolm equation.
T. Grava*, SISSA, Italy
S. Abenda, University of Bologna, Italy
(98935217)

10:00 a.m.
Extremal eigenvalue problems, nonlinear waves, and the KuramotoSivashinky equation.
J. C. Bronski*, Univerity of Illinios, UrbanaChampaign
(98935219)

10:30 a.m.
Fermi surfaces and dynamical systems.
S. P. Novikov*, University of Maryland and Landau Institute
(98935220)

Thursday October 2, 2003, 9:00 a.m.11:00 a.m.
Special Session on Computational and Mathematical Biology, I
Room 108 (1st Floor), Engineering Center (ECCR)
Organizers:
Harvey J. Greenberg, University of Colorado at Denver hgreenbe@carbon.cudenver.edu

9:00 a.m.
On Sausages, Steiner Trees, Proteins and Rho.
J. MacGregor Smith*, University of Massachusetts
(98992109)

10:00 a.m.
Haplotyping and Minimum Diversity Graphs.
Allen G Holder*, Trinity University Mathematics
Courtney Davis, University of Utah
(9899073)

10:30 a.m.
Discussion

Thursday October 2, 2003, 11:10 a.m.12:00 p.m.
Invited Address
Deviation of ergodic averages for rational polygonal billiards.
Room 265 (2nd Floor), Engineering Center (ECCR)
Giovanni Forni*, Northwestern University

Thursday October 2, 2003, 1:30 p.m.2:20 p.m.
Invited Address
Random matrix theory and the Riemann zetafunction
Room 265 (2nd Floor), Engineering Center (ECCR)
J. Brian Conrey*, American Institute of Mathematics

Thursday October 2, 2003, 2:30 p.m.4:50 p.m.
Special Session on Algebras, Lattices and Varieties, II
Room 151 (1st Floor), Engineering Center (ECCR)
Organizers:
Keith A. Kearnes, University of Colorado, Boulder kearnes@euclid.colorado.edu
Agnes Szendrei, Bolyai Institute szendrei@math.uszeged.hu
Walter Taylor, University of Colorado, Boulder wtaylor@euclid.colorado.edu

2:30 p.m.
Concepts of universal algebras in logic.
Chihiro Oshima*, Kawasaki,Japan
(9890669)

3:00 p.m.
Rigid homogeneous structures.
W. Charles Holland*, Bowling Green State University
(9890664)

4:00 p.m.
Simple Moufang loops: recent results and open problems.
Petr Vojt\v{e}chovsk\'y*, University of Denver
(9892049)

4:30 p.m.
Term finite principal congruences.
Ross Willard*, University of Waterloo
(98908240)

Thursday October 2, 2003, 2:30 p.m.4:50 p.m.
Special Session on Geometric Methods in Partial Differential Equations, II
Room 1B 40 (Basement), Engineering Center (ECCR)
Organizers:
Jeanne N. Clelland, University of Colorado, Boulder Jeanne.Clelland@colorado.edu
George R. Wilkins, University of Hawaii grw@math.hawaii.edu

2:30 p.m.
Second Order Families of Special Lagrangian 4folds in ${\Bbb C}^4$.
L. Marianty Ionel*, McMaster University
(98953160)

3:30 p.m.
Symbolic computation on a jet bundle. Moving coframes.
Irina A Kogan*, North Carolina State University
(98953211)

4:00 p.m.
The Path Geometry of Riemannian and Finsler geodesics on a Surface.
Christopher Catone*, University of Colorado
(98953135)

4:30 p.m.
Energy Critical Curves in the Path Space of the Euclidean Line.
Marek Kossowski, University of South Carolina
George R Wilkens*, University of Hawaii at Manoa
(98958266)

Thursday October 2, 2003, 2:30 p.m.4:50 p.m.
Special Session on Groupoids in Analysis and Geometry, II
Room 133 (1st Floor), Engineering Center (ECCR)
Organizers:
Lawrence Baggett, University of Colorado, Boulder baggett@euclid.colorado.edu
Jerry Kaminker, Indiana UniversityPurdue University Indianapolis kaminker@math.iupui.edu
Judith Packer, University of Colorado, Boulder packer@euclid.colorado.edu

2:30 p.m.
A loop groupoid action on systems of filters for nonMRA frame wavelets.
Lawrence Baggett, University of Colorado
Palle Jorgensen, University of Iowa
Kathy Merrill*, Colorado College
Judith Packer, University of Colorado
(98943196)

3:00 p.m.
Local index theory over foliation groupoids.
Alexander Gorokhovsky*, University of Colorado
John Lott, University of Michigan
(98958215)

3:30 p.m.
C*algebras associated with interval maps.
Valentin Deaconu, Univ. of Nevada, Reno
Fred Shultz*, Wellesley College
(98946180)

4:00 p.m.
C*algebras associated with topological relations.
Berndt A. Brenken*, University of Calgary
(98946134)

4:30 p.m.
History of the Fourier Stieltjes Algebra of a Groupoid.
Martin E. Walter*, University of Colorado
(98901270)

Thursday October 2, 2003, 2:30 p.m.4:55 p.m.
Special Session on Noncommutative Geometry and Geometric Analysis, II
Room 139 (1st Floor), Engineering Center (ECCR)
Organizers:
Carla Farsi, University of Colorado farsi@euclid.colorado.edu
Alexander Gorokhovsky, University of Colorado gorokhov@euclid.colorado.edu
Siye Wu, University of Colorado siye.wu@colorado.edu

2:30 p.m.
Asymptotically flat Ktheory.
Jerome Kaminker*, IUPUI
(98919209)

3:30 p.m.
Fredholm indices of banddominated operators.
Vladimir Rabinovich, IPN, Mexico
Steffen Roch, Univ. Darmstadt, Germany
John Roe*, Penn State
(9894777)

4:30 p.m.
A sectional characterization of noncommutative CWcomplexes.
Erich A McAlister*, University of Colorado
(98946173)

Thursday October 2, 2003, 2:30 p.m.3:50 p.m.
Special Session on Structured Population and Epidemic Models:Periodicity, Chaos, and Extinction, I
Room 116 (1st Floor), Engineering Center (ECCR)
Organizers:
Linda J. S. Allen, Texas Tech University lallen@math.ttu.edu
Sophia R.J. Jang, University of Louisiana at Lafayette jang@louisiana.edu

2:30 p.m.
The impact of HIV infection on TB.
LihIng Wu Roeger*, Texas Tech University
Zhilan Feng, Purdue University
Carlos CastilloChavez, Cornell University
(98934171)

3:00 p.m.
A discrete, sizestructured chemostat model with an inhibitor.
Sophia R.J. Jang*, University of Louisiana at Lafayette
(98992172)

3:30 p.m.
Stochastic Differential Equation Models for Epidemics with Multiple Pathogen Strains.
Linda J. Allen*, Texas Tech University
Nadarajah Kirupaharan, Texas Tech University
(9899297)

Thursday October 2, 2003, 2:30 p.m.4:50 p.m.
Special Session on Graphs and Diagraphs, I
Room 131 (1st Floor), Engineering Center (ECCR)
Organizers:
Michael Jacobson, University of Colorado, Denver msj@math.cudenver.edu
Richard J. Lundgren, University of colorado, Denver lundgren@carbon.cudenver.edu

2:30 p.m.
Cycle Extendabilities for Special Graphs.
Guantao Chen*, Georgia State University
Ralphs J Faudree, University of Memphis
Ronald J Gould, Emory University
Michael S Jacobson, University of Colorado at Denver
(9890568)

3:00 p.m.
Forbidden Subgraphs That Imply $2$Factors With A Specified Number of Components.
Jill Faudree, University of Alaska  Fairbanks
Ralph Faudree*, University of Memphis
(9890582)

4:00 p.m.
Dirac and Ore Type Results for Tournaments.
Arthur H Busch*, University of Colorado at Denver
Michael S Jacobson, University of Colorado at Denver
(98905268)

4:30 p.m.
Equivalence relations on colored digraphs.
Bryan L. Shader*, University of Wyoming
(9890596)

Thursday October 2, 2003, 2:30 p.m.4:20 p.m.
Special Session on Finite Geometries, II
Room 118 (1st Floor), Engineering Center (ECCR)
Organizers:
Stanley E. Payne, University of Colorad Denver spayne@math.cudenver.edu
Robert Allen Liebler, Colorado State University liebler@math.colostate.edu

2:30 p.m.
Blocking sets of external lines to a conic in PG(2,q).
Gabor Korchmaros*, Mathematics Department University of Basilicata, Italy
(9895192)

3:00 p.m.
On the existence of certain generalized quadrangles.
Vasyl Dmytrenko, Department of Mathematical Sciences
Felix Lazebnik*, Department of Mathematical Sciences
(98905210)

3:30 p.m.
Dimensional dual hyperovals associated with Steiner systems.
Satoshi Yoshiara*, Tokyo Woman's Christian University
Alberto del Fra, University of Rome
(9895157)

4:00 p.m.
When is $\Delta_2^\star(p)$ a subspace?
Ernest E. Shult*, Kansas State University
(98951243)

Thursday October 2, 2003, 2:30 p.m.4:50 p.m.
Special Session on Nonlinear Waves, II
Room 1B 55 (Basement), Engineering Center (ECCR)
Organizers:
Bernard Deconinck, Colorado State University deconinc@math.colostate.edu
Harvey Segur, University of Colorado Boulder Harvey.Segur@colorado.edu

2:30 p.m.
Extreme Nonlinear Optics (1).
H. Kapteyn*, University of Colorado, Boulder
M. Murnane, University of Colorado, Boulder
(98935221)

3:00 p.m.
Extreme Nonlinear Optics (2).
M. Murnane*, University of Colorado, Boulder
H. Kapteyn, University of Colorado, Boulder
(98935222)

3:30 p.m.
TwoDimensional Solitons in Optically Modulated Waveguide Arrays: An Optical Analog of BoseEinstein Condensation.
M. J. Ablowitz, University of Colorado, Boulder
K. Julien*, University of Colorado, Boulder
Z. H. Musslimani, University of Colorado, Boulder
(98935223)

4:00 p.m.
Multidimensional solitons in a lowdimensional periodic potential.
B. A. Malomed*, Tel Aviv University, Israel
(98935228)

4:30 p.m.
Analysis of spectral stability for vortices in nonlinear Schrodinger equations.
R. L. Pego*, University of Maryland
(98935230)

Thursday October 2, 2003, 2:30 p.m.4:50 p.m.
Special Session on Computational and Mathematical Biology, II
Room 108 (1st Floor), Engineering Center (ECCR)
Organizers:
Harvey J. Greenberg, University of Colorado at Denver hgreenbe@carbon.cudenver.edu

2:30 p.m.
Genomes to Life: An Opportunity for Mathematics to Advance Biology.
Gary M Johnson*, Office of Science, DOE
(9899286)

3:20 p.m.
Using graph extendeddegree sequence to characterize molecular graphs and biological networks.
JeanLoup Faulon*, Sandia National Laboratories
Shawn Martin, Sandia National Laboratories
(9899270)

4:10 p.m.
Prediction of protein function and pathway at the genome scale: from noisy data to biological knowledge.
Dong Xu*, University of MissouriColumbia
Trupti S Joshi, University of MissouriColumbia
Yu Chen, University of MissouriColumbia / University of Te
(9899266)

Thursday October 2, 2003, 5:10 p.m.6:00 p.m.
Invited Address
Nonsmooth calculus.
Room 265 (2nd Floor), Engineering Center (ECCR)
Juha M. Heinonen*, University of Michigan
Inquiries: meet@ams.org