Important information regarding the recent AMS power outage.

The transformer that provides electricity to the AMS building in Providence went down on Sunday, April 22. The restoration of our email, website, AMS Bookstore and other systems is almost complete. We are currently running on a generator but overnight a new transformer should be hooked up and (fingers crossed) we should be fine by 8:00 (EDT) Wednesday morning. This issue has affected selected phones, which should be repaired by the end of today. No email was lost, although the accumulated messages are only just now being delivered so you should expect some delay.

Thanks for your patience.

AMS Sectional Meeting Program by Day

Current as of Tuesday, April 12, 2005 15:10:32

Program | Deadlines | Registration/Housing/Etc. | Inquiries: meet@ams.org

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

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

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
- 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)

Inquiries: meet@ams.org

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AMS Sectional Meeting Program by Day

2003 Spring Western Section Meeting San Francisco, CA, May 3-4, 2003 Meeting #987

Sunday May 4, 2003

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2003 Spring Western Section Meeting
San Francisco, CA, May 3-4, 2003
Meeting #987