AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:10:32
2003 Spring Western Section Meeting
San Francisco, CA, May 3-4, 2003
Meeting #987
Associate secretaries: Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Sunday May 4, 2003
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Sunday May 4, 2003, 8:00 a.m.-12:00 p.m.
Meeting Registration
Main Lobby (3rd Floor), Thornton Hall -
Sunday May 4, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Beyond Classical Boundaries of Computability, III
Room 329, Thornton Hall
Organizers:
Mark Burgin, University of California Los Angeles mburgin@math.ucla.edu
Peter Wegner, Brown University pw@cs.brown.edu
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8:00 a.m.
On the complexity of real recursive functions.
Manuel Lameiras Campagnolo*, Lisbon University of Technology
(987-68-08) -
8:30 a.m.
Descriptive complexity in classes of inductive Turing machines.
Mark Burgin*, UCLA
(987-68-06) -
9:00 a.m.
If Intelligence is Uncomputable, Then...
Peter Kugel*, Boston College
(987-68-16) -
9:30 a.m.
Learning in the limit and experience of generations.
Mark Burgin*, UCLA
Allen Klinger, UCLA
(987-68-31) -
10:00 a.m.
A formal model of fuzzy computations (preliminary report).
Jiri Wiedermann*, Institute of Computer Science, Academy of Sciences of the Czech Republic, Prague
(987-68-48) -
10:30 a.m.
On Asymptotic Decidability of Some Problems Related to Artificial Intelligence.
Marek A Suchenek*, California State University Dominguez Hills
(987-03-100)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Qualitative Properties and Applications of Functional Equations, III
Room 326, Thornton Hall
Organizers:
Theodore A. Burton, Southern Illinois University at Carbondale taburton@olypen.com
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8:00 a.m.
Fixed Points and Controllability in Delay Systems.
Bo Zhang*, Fayetteville State University
(987-34-99) -
8:30 a.m.
Asymptotic behavior of solutions of functional differential equations by Schauder's theorem.
Theodore A. Burton, Northwest Research Institute
Tetsuo Furumochi*, Shimane University
(987-34-71) -
9:00 a.m.
Bifurcation of almost periodic solutions in difference equations.
Yoshihiro Hamaya*, Department of Information Science Okayama University of Science
(987-39-43) -
10:30 a.m.
Stability Properties of Nonlinear Volterra Integrodifferential Equations.
M N Islam*, University of Dayton
(987-45-57)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Efficient Arrangements of Convex Bodies, III
Room 211, Thornton Hall
Organizers:
Dan P. Ismailescu, Hofstra University ismailes@CIMS.nyu.edu
Wlodzimierz Kuperberg, Auburn University kuperwl@auburn.edu
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8:00 a.m.
The Kneser-Poulsen conjecture for bounded hyperbolic convex polyhedra.
Karoly Bezdek*, Cornell University, Dept. of Math., Ithaca NY
(987-52-112) -
8:30 a.m.
The bottleneck conjecture.
Greg Kuperberg*, UC Davis
(987-52-129) -
9:30 a.m.
A Polytopal Generalization of Sperner's coloring Lemma.
Jesus A De Loera*, Univ. of California, Davis
Elisha Peterson, Univ. of Maryland
Francis E. Su, Harvey Mudd College
(987-52-37) -
10:00 a.m.
Upper bounds for generalized touching numbers of convex bodies.
Istvan Talata*, Eotvos University, Budapest
(987-52-158) -
10:30 a.m.
Sphere Packing in Hyperbolic Space.
Henry Cohn*, Microsoft Research
Thomas Hales, University of Pittsburgh
Jacob Lurie, MIT
Peter Sarnak, Princeton
(987-52-161)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Numerical Methods, Calculations and Simulations in Knot Theory and Its Applications, III
Room 327, Thornton Hall
Organizers:
Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.ed
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
Eric J. Rawdon, Duquesne University rawdon@mathcs.duq.edu
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8:00 a.m.
On the ropelength of infinite families of knots.
Claus Ernst*, Western Kentucky University
Yuanan Diao, UNCC
(987-57-150) -
8:30 a.m.
The effects of a topoogical consrtaint and excluded volume on the gyration radius of a ring polymer.
Miyuki K Shimamura*, Tokyo, Japan
(987-65-133) -
9:00 a.m.
Topological States of Circular DNA Obtained in Site-Specific Recombination.
Alexander V Vologodskii*, New York University
(987-92-139) -
9:30 a.m.
Sedimentation dynamics of rigid, knotted filaments.
Oscar Gonzalez*, University of Texas
(987-76-190) -
10:00 a.m.
Numerical simulation of gel electrophoresis of DNA knots.
Giovanni Dietler*, University of Lausanne
Paolo De Los Rios, University of Lausanne
Cedric Weber, University of Lausanne
Marc Fleurant, University of Lausanne
(987-82-148) -
10:30 a.m.
8-bar Tangling Blues.
G R Buck*, St. Anselm College
(987-82-199)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-10:40 a.m.
Special Session on PDEs and Applications in Geometry, III
Room 325, Thornton Hall
Organizers:
Qi S. Zhang, University of California Riverside qizhang@math.ucr.edu
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8:00 a.m.
On conformally compact Einstein 4-manifolds.
Alice Chang, Princeton University
Jie Qing*, UNiversity of California, Santa Cruz
Paul Yang, Princeton University
(987-53-169) -
9:00 a.m.
The Origins of Fractality in Nature and the Singularities of Solutions to PDEs: The Model of the Koch Snowflake Drum.
Michel L. Lapidus*, University of California, Riverside
(987-35-54) -
10:00 a.m.
The wave maps equation.
Daniel Tataru*, UC Berkeley
(987-35-164)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Commutative Algebra, III
Room 429, Thornton Hall
Organizers:
Raymond C. Heitmann, University of Texas at Austin heitmann@math.utexas.edu
Irena Swanson, New Mexico State University iswanson@nmsu.edu
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8:00 a.m.
Local rings of bounded Cohen-Macaulay type.
Graham J Leuschke, University of Kansas and MSRI
Roger Wiegand*, University of Nebraska and MSRI
(987-13-94) -
8:30 a.m.
Vanishing of Ext and Tor over Cohen-Macaulay local rings.
Craig Huneke, University of Kansas
Liana M Sega*, Mathematical Sciences Research Institute
Adela N Vraciu, University of Kansas
(987-13-118) -
9:00 a.m.
On a conjecture of Auslander and Reiten.
Craig Huneke, University of Kansas
Graham J. Leuschke*, University of Kansas / MSRI
(987-13-166) -
9:30 a.m.
The degree of the Hilbert polynomial of certain Ext modules and its leading coefficient.
Emanoil Theodorescu*, University of Missouri, Columbia
(987-13-188) -
10:00 a.m.
Realizing cohomology over complete intersections.
L L Avramov, University of Nebraska-Lincoln/MSRI
D A Jorgensen*, University of Texas at Arlington/MSRI
(987-13-168) -
10:30 a.m.
Asymptotic invariants of homomorphisms with applications to the Frobenius endomorphism.
Luchezar L Avramov, University of Nebraska
Srikanth Iyengar, University of Missouri
Claudia Miller*, Syracuse University
(987-13-191)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Gromov-Witten Theory of Spin Curves and Orbifolds, III
Room 335, Thornton Hall
Organizers:
Tyler Jarvis, Brigham Young University jarvis@math.byu.edu
Takashi Kimura, Boston University kimura@math.bu.edu
Arkady Vaintrob, University of Oregon vaintrob@darkwing.uoregon.edu
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8:00 a.m.
nKdV hierarchies and A_{n-1}-singularities.
Alexander B Givental*, UC Berkeley
(987-14-103) -
9:00 a.m.
Semisimple Frobenius manifolds and higher spin curves.
Y.-P. Lee*, Univ. of Utah / Princeton U.
(987-14-149) -
10:00 a.m.
Some remarks on Witten's top Chern class.
Alexander Polishchuk*, Boston University
(987-14-113) -
10:30 a.m.
Witten's top Chern class in K-theory.
Alessandro Chiodo*, Cambridge University, UK
(987-14-127)
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8:00 a.m.
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Sunday May 4, 2003, 8:00 a.m.-12:00 p.m.
Exhibit and Book Sale
Room 331, Thornton Hall -
Sunday May 4, 2003, 8:30 a.m.-10:50 a.m.
Special Session on Combinatorial Commutative Algebra and Algebraic Geometry, III
Room 432, Thornton Hall
Organizers:
Serkan Hosten, San Francisco State University serkan@math.sfsu.edu
Ezra Miller, Mathematical Sciences Research Institute emiller@msri.org
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8:30 a.m.
Total positivity and canonical basis in cluster algebras of types $A_1^{(1)}$ and $A_2^{(2)}$.
Paul Sherman, Northeastern University
Andrei Zelevinsky*, Northeastern University
(987-13-84) -
9:00 a.m.
The most singular Schubert variety?
Alexander Woo*, UC-Berkeley
(987-14-200) -
9:30 a.m.
Castelnuovo-Mumford regularity and line configurations in the projective plane.
Hal Schenck*, Texas A&M University
(987-14-180) -
10:00 a.m.
Resolutions and Multigraded Regularity.
Gregory G Smith*, Barnard College
Diane Maclagan, Stanford University
(987-13-121) -
10:30 a.m.
Stanley Filtrations and Regularity.
Diane Maclagan*, Stanford University
Gregory G Smith, Barnard College
(987-13-120)
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8:30 a.m.
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Sunday May 4, 2003, 9:00 a.m.-10:40 a.m.
Special Session on Q-Series and Partitions, III
Room 210, Thornton Hall
Organizers:
Neville Robbins, San Francisco State University robbins@math.sfsu.edu
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9:00 a.m.
A reciprocity theorem for certain $q$-series found in Ramanujan's lost notebook.
Bruce C. Berndt, University of Illinois
Song Heng Chan, University of Illinois
Boon Pin Yeap, University of Illinois
Ae Ja Yee*, University of Illinois
(987-05-128) -
9:30 a.m.
On the parity of partition functions.
Bruce C. Berndt*, University of Illinois at Urbana-Champaign
Ae Ja Yee, University of Illinois at Urbana-Champaign
Alexandru Zaharescu, University of Illinois at Urbana-Champaign
(987-11-41) -
10:00 a.m.
On a Partition Problem of Richard Stanley.
George E. Andrews*, The Pennsylvania State University
(987-11-83)
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9:00 a.m.
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Sunday May 4, 2003, 9:00 a.m.-10:40 a.m.
Special Session on Geometry and Arithmetic over Finite Fields, III
Room 409, Thornton Hall
Organizers:
Bjorn Poonen, University of California Berkeley poonen@math.berkeley.edu
Joe P. Buhler, Reed College jpb@reed.edu
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9:00 a.m.
Prime values of polynomials.
B. Conrad, Univ. of Michigan
K. Conrad*, UC San Diego
R. Gross, Boston College
(987-11-26) -
10:00 a.m.
Unramified covers of affine spaces.
Kiran S. Kedlaya*, University of California, Berkeley
(987-14-29)
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9:00 a.m.
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Sunday May 4, 2003, 11:00 a.m.-11:50 a.m.
Invited Address
The Direct Summand Conjecture in dimension three.
Room 201, Science Building
Raymond C Heitmann*, University of Texas at Austin
(987-13-66) -
Sunday May 4, 2003, 2:00 p.m.-2:50 p.m.
Invited Address
A problem in symmetric functions arising from phase determination in crystallography.
Room 201, Science Building
Joe P Buhler*, Reed College
(987-12-198) -
Sunday May 4, 2003, 3:00 p.m.-6:00 p.m.
Special Session on Beyond Classical Boundaries of Computability, IV
Room 329, Thornton Hall
Organizers:
Mark Burgin, University of California Los Angeles mburgin@math.ucla.edu
Peter Wegner, Brown University pw@cs.brown.edu
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3:00 p.m.
A Logical Approach to the Philosophy of Hypercomputation.
Selmer C Bringsjord*, Rensselaer Polytechnic Institute (RPI)
(987-03-15) -
3:30 p.m.
Turing's Thesis, Hume's Problem, and Ockham's Razor: Uncertainty, Simplicity, and Efficiency in Empirical and Formal Reasoning.
Kevin T. Kelly*, Carnegie Mellon University
(987-03-25) -
4:00 p.m.
The Concept of Computability.
Carol E. Cleland*, Philosophy Department, University of Colorado
(987-03-47) -
4:30 p.m.
Hypercomputation in the Real World.
B. Jack Copeland*, University of Canterbury, New Zealand
(987-03-126) -
5:00 p.m.
Attempts to Compute the Uncomputable.
Martin D Davis*, UC Berkeley
(987-03-93) -
5:30 p.m.
Round Table
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3:00 p.m.
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Sunday May 4, 2003, 3:00 p.m.-4:20 p.m.
Special Session on Qualitative Properties and Applications of Functional Equations, IV
Room 326, Thornton Hall
Organizers:
Theodore A. Burton, Southern Illinois University at Carbondale taburton@olypen.com
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3:00 p.m.
Extinction, Persistence, and Permanence in a Lotka-Volterra Model.
Shair Ahmad*, University of Texas at San Antonio
(987-34-68) -
3:30 p.m.
Parametric resonance in a predator-prey model.
Alfonso C Casal, Universidad Politecnica de Madrid
Alfredo S Somolinos*, Mercy College. Dobbs Ferry, NY.
(987-34-63) -
4:00 p.m.
Fixed Points, Stability, and Three Averages.
Theodore A Burton*, Southern Illinois University
(987-34-51)
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3:00 p.m.
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Sunday May 4, 2003, 3:00 p.m.-5:40 p.m.
Special Session on Geometry and Arithmetic over Finite Fields, IV
Room 409, Thornton Hall
Organizers:
Bjorn Poonen, University of California Berkeley poonen@math.berkeley.edu
Joe P. Buhler, Reed College jpb@reed.edu
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3:00 p.m.
A heuristic explanation of the distribution of Frobenius eigenvalues for principally-polarized abelian varieties.
Everett W Howe*, Center for Communications Research, La Jolla
(987-11-58) -
4:00 p.m.
L functions of exponential sums over affinoids.
Hui June Zhu*, McMaster University
(987-14-60) -
5:00 p.m.
The Zeta function of Algebraic r-cycles: Conjectures and Results.
C. Douglas Haessig*, UC Irvine
(987-11-101)
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3:00 p.m.
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Sunday May 4, 2003, 3:00 p.m.-4:50 p.m.
Special Session on Efficient Arrangements of Convex Bodies, IV
Room 211, Thornton Hall
Organizers:
Dan P. Ismailescu, Hofstra University ismailes@CIMS.nyu.edu
Wlodzimierz Kuperberg, Auburn University kuperwl@auburn.edu
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3:00 p.m.
Large transversals to families of unit disks.
T Bisztriczky, University of Calgary, Canada
F Fodor*, University of Szeged, Hungary
D Oliveros-Braniff, University of Calgary, Canada
(987-52-62) -
3:30 p.m.
Hyperbolic Regular Polygons with Notched Edges -- A Classification of Tilers.
Casey Mann*, University of Texas at Tyler
(987-52-76) -
4:00 p.m.
On the Number of Cylinders Touching a Ball.
Dan P Ismailescu*, Hofstra University
(987-52-173) -
4:30 p.m.
Covering a Strip by Unit Circles.
G\'abor Fejes T\'oth*, Alfr\'ed R\'enyi Mathematical Institute
(987-52-157)
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3:00 p.m.
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Sunday May 4, 2003, 3:00 p.m.-6:10 p.m.
Special Session on Numerical Methods, Calculations and Simulations in Knot Theory and Its Applications, IV
Room 327, Thornton Hall
Organizers:
Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.ed
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
Eric J. Rawdon, Duquesne University rawdon@mathcs.duq.edu
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3:00 p.m.
Densely packed knots.
Rhonald Lua, University of Minnesota
Alexander Borovinskiy, UCSF
Alexander Grosberg*, University of Minnesota
(987-60-162) -
3:30 p.m.
Computation of ideal shapes using a discretization by Biarcs.
Jana Smutny*, Swiss Federal Institute of Technology
(987-65-80) -
4:00 p.m.
Tightening knots with {\em Ridgerunner}.
Jason H Cantarella*, University of Georgia
Eric Rawdon, Duquesne University
Michael Piatek, Duquesne University
(987-53-87) -
4:30 p.m.
Simulations of Tight Links.
John M Sullivan*, Univ. of Ilinois, Urbana
(987-51-32) -
5:00 p.m.
Power law for the ideal prime knots.
Piotr Pieranski*, Poznan University of Technology, Poznan, Poland
Sylwester Przybyl, Poznan University of Technology, Poznan, Poland
Justyna Marchwiak, Poznan University of Technology, Poznan, Poland
(987-54-154) -
5:30 p.m.
The Effect of Flexibility on Minimum Ropelength Conformations.
Gregory Buck, Saint Anselm College
Michael Piatek, Duquesne University
Eric Rawdon*, Duquesne University
(987-57-185)
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3:00 p.m.
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Sunday May 4, 2003, 3:00 p.m.-5:40 p.m.
Special Session on PDEs and Applications in Geometry, IV
Room 325, Thornton Hall
Organizers:
Qi S. Zhang, University of California Riverside qizhang@math.ucr.edu
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3:00 p.m.
Asymptotic behavior to Dissipative Quasi-Geostrophic flows.
Maria E Schonbek*, University of California Santa Cruz
Tomas P Schonbek, Florida Atlantic University
(987-35-88) -
4:00 p.m.
On smoothly bounded domains covering compact quotients.
Bun Wong*, UC Riverside
W-S Cheung, The Univeristy of Hong Kong
(987-32-197) -
5:00 p.m.
Control in the presence of a black box.
Maciej Zworski*, UC Berkeley
(987-35-156)
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3:00 p.m.
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Sunday May 4, 2003, 3:00 p.m.-4:20 p.m.
Special Session on Gromov-Witten Theory of Spin Curves and Orbifolds, IV
Room 335, Thornton Hall
Organizers:
Tyler Jarvis, Brigham Young University jarvis@math.byu.edu
Takashi Kimura, Boston University kimura@math.bu.edu
Arkady Vaintrob, University of Oregon vaintrob@darkwing.uoregon.edu
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3:00 p.m.
A homotopy-theoretical Heisenberg group.
Jack Morava*, Johns Hopkins University
(987-55-183) -
3:30 p.m.
On Gromov-Witten theory for global quotients.
Ralph M Kaufmann*, Oklahoma State University and Max-Planck-Institute for Mathematics
(987-14-176) -
4:00 p.m.
A Generalization of Spin Orbifold Quantum Cohomology Arising From Quasi-Homogeneous Polynomials.
Huijun Fan*, MPI in Leipzig, Germany
Tyler Jarvis, Brigham Young university
Yongbin Ruan, Wisconsin univ.& Hongkong Univ. Sci.& Tech.
(987-53-122)
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3:00 p.m.
