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1999 Fall Southeastern Section Meeting
Charlotte, NC, October 1517, 1999
Meeting #949
Associate secretaries:
John L Bryant, AMS
bryant@math.fsu.edu
Friday October 15, 1999

Friday October 15, 1999, 12:30 p.m.6:00 p.m.
Meeting Registration
Lobby, Fretwell Hall

Friday October 15, 1999, 12:30 p.m.6:00 p.m.
Exhibit and Book Sale
Lobby, Fretwell Hall

Friday October 15, 1999, 1:15 p.m.2:15 p.m.
Invited Address
Welcome and Opening Remarks
Room 110, Storrs Architecture Building
Phase transitions in combinatorial structures.
Room 110, Storrs Architecture Building
B\'ela Bollob\'as*, University of Memphis and Cambridge University
(9490504)

Friday October 15, 1999, 2:30 p.m.5:20 p.m.
Special Session on Knot Theory and Its Applications, I
Room 106, Denny Hall
Organizers:
Yuanan Diao, University of North Carolina at Charlotte ydiao@uncc.edu

2:30 p.m.
Polygonal approximation and energy of smooth knots.
Eric Rawdon, Chatham College
Jonathan Simon*, University of Iowa
(94957191)

3:00 p.m.
Conformal Energy of Thick Knots.
Gregory Buck, St. Anselm College
Eric J Rawdon*, Chatham College
Jonathan Simon, University of Iowa
(94957187)

3:30 p.m.
The ropelength of knots and links.
John M Sullivan*, Univ. of Illinois
Rob Kusner, Univ. of Massachusetts
Jason Cantarella, Univ. of Massachusetts
(94953128)

4:00 p.m.
Multiple Minimal Energy Knots.
Louis H Kauffman*, Univ of Ill at Chicago
(9495792)

4:30 p.m.
Can one tie a knot with 8.58299... inches of 1 inch rope?
Robert B Kusner*, University of Massachusetts at Amherst
Jason H Cantarella, University of Massachusetts at Amherst
John M Sullivan, University of Illinois at UrbanaChampaign
(9495343)

5:00 p.m.
Global Knotting in Equilateral Random Polygons.
John C Nardo*, North Georgia College & State University
Yuanan Diao, UNC Charlotte
(94957232)

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on Commutative Algebra, I
Room 116, Fretwell Hall
Organizers:
Sarah Glaz, University of Connecticut glaz@uconnvm.uconn.edu
Evan G. Houston, University of North Carolina at Charlotte eghousto@email.uncc.edu
Thomas G. Lucas, University of North Carolina at Charlotte tglucas@math.uncc.edu

2:30 p.m.
A class of Bezout overrings of group algebras.
Silvana Bazzoni, University of Padua
Alan Loper*, university of North CarolinaCharlotte
(94913203)

3:00 p.m.
Finite Generation of Powers of Ideals.
Robert Gilmer*, Florida State University
William Heinzer, Purdue University
Moshe Roitman, University of Haifa
(9491308)

3:30 p.m.
Multiplication modules.
D. D Anderson*, The University of Iowa
(9491399)

4:00 p.m.
Duality, stability and 2generated ideals.
Bruce M Olberding*, Northeast Louisiana University
(94913204)

4:30 p.m.
Weakly integrally closed domains: minimum polynomials of matrices.
James Brewer*, Florida Atlantic University
Fred Richman, Florida Atlantic University
(9491342)

5:00 p.m.
Direct sums of modules over local rings.
Roger A Wiegand*, University of Nebraska
(94913145)

5:30 p.m.
mCanonical Ideals In Integral Domains, II.
Valentina Barucci, Universita di Roma
Evan G Houston, University of North Carolina at Charlotte
Thomas G Lucas, University of North Carolina at Charlotte
Ira J Papick*, University of MissouriColumbia
(94913139)

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on Spectral Theory of Differential Operators and Applications, I
Room 102, Denny Hall
Organizers:
Boris R. Vainberg, University of North Carolina at Charlotte brvainbe@uncc.edu
Stanislav Molchanov, University of North Carolina at Charlotte

2:30 p.m.
Dynamical bounds for Fibonacci operator.
Rowan Killip, Caltech
Alexander Kiselev*, University of Chicago
Yoram Last, Caltech
(94981102)

3:00 p.m.
Pulse propagation in Nonlinear Photonic Crystals.
Alexander Figotin*, University of California at Irvine
(9497812)

3:30 p.m.
The limiting equation of the Neumann Laplacians on shrinking domains.
Yoshimi Saito*, University of Alabama at Birmingham
(9493566)

4:00 p.m.
Convergence of spectra of mesoscopic systems collapsing onto a graph.
Peter Kuchment*, Wichita State University
Hongbiao Zeng, Wichita State University
(9493564)

4:30 p.m.
Spectral Decomposition Methods for the Incompressible NavierStokes Equation on Bounded Domains.
Joel D Avrin*, UNC Charlotte
(9493582)

5:00 p.m.
The Feshbach formula and Fermi's golden rule.
Jan Derezinski, Warsaw University
Vojkan Jaksic*, University of Ottawa
(9494749)

5:30 p.m.
Extended and Localized states for the quantum Hall systems.
Peter Hislop*, University of Kentucky
(9494796)

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on Optimal Control and Computational Optimization, I
Room 122, Denny Hall
Organizers:
Mohammed A. Kazemi, University of North Carolina at Charlotte mkazemi@email.uncc.edu
Gamal N. Elnagar, University of South Carolina Spartanburg

3:00 p.m.
Uniform stabilization of systems of nonlinear PDE's coupled at the interface of two regions.
Irena M Lasiecka*, University of Virginia
(9493531)

3:30 p.m.
Inverse type inequalities for multidimensional hyperbolic and Schrodinger equations with variable coefficients.
Roberto Triggiani*, University of Virginia
(94935192)

4:00 p.m.
Principles of the dynamics of wealth.
Ethelbert N. Chukwu*, North Carolina State University, Raleigh,N.C.
(94949196)

4:30 p.m.
A Complete Numerical Theory for Constrained Problems in the Calculus of Variations/Optimal Control Theory.
John Gregory*, Southern Illinois University, Carbondale, IL 629014408
(94949199)

5:00 p.m.
Augmented Lagrangian Method for Nonsmooth Optimizations.
Kazufumi Ito*, North Carolina State University
(94993205)

5:30 p.m.
Discussion

Friday October 15, 1999, 2:30 p.m.4:50 p.m.
Special Session on Stochastic PDEs and Turbulence, I
Room 121, Fretwell Hall
Organizers:
Weinan E, Courant Institute, New York University weinan@courant.nyu.edu

2:30 p.m.
Stochastic PDEs and Geophysical Fluid Dynamics.
Jinqiao Duan*, Clemson University
(9497681)

3:00 p.m.
Stochastic Burgers equation.
Weinan E*, Princeton University and New York University
Eric Vanden Eijnden, New York University
(94982158)

3:30 p.m.
Recent results on the 2D Stochastic NavierStokes equations.
Jonathan C. Mattingly*, Stanford University
(94976157)

4:00 p.m.
Infinite dimensional HamiltonJacobiBellman equations and control of stochastic PDE.
Andrzej J. Swiech*, Georgia Institue of Technology
(94935189)

4:30 p.m.
Discussion

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on SetTheoretic Topology, I
Room 113, Fretwell Hall
Organizers:
Ronald F. Levy, George Mason University RLevy@vms1.gmu.edu

2:30 p.m.
An Irrational Problem.
Franklin D. Tall*, University of Toronto
(9490468)

3:00 p.m.
A generalized version of Tukey's Lemma that is equivalent to the PIT.
Richard Hodel*, Duke University
(94954190)

3:30 p.m.
Ultrafilter Spaces on the Semilattice of Partitions.
Lorenz J. Halbeisen*, Swiss National Science Foundation Scholar
Benedikt L\"owe, University of Bonn, Germany
(94904133)

4:00 p.m.
Weakly Uniform Bases.
Sheldon W Davis*, Miami University
(94954138)

4:30 p.m.
Cleavability and Divisibility in Ordered Spaces.
Harold R Bennett*, Texas Tech University
Robert E Byerly, Texas Tech University
David J Lutzer, College of William and Mary
(9495465)

5:00 p.m.
The continuous Urysohn property in generalized ordered spaces.
David J Lutzer*, College of William and Mary
Harold R Bennett, Texas Tech University
(9495450)

5:30 p.m.
Trichotomies and tetrachotomies on locally compact spaces.
Peter J Nyikos*, University of South Carolina
(94954245)

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on Geometric Function Theory, I
Room 203, Denny Hall
Organizers:
David A. Herron, University of Cincinnati david.herron@math.uc.edu
Shanshuang Yang, Emory University syang@mathcs.emory.edu

2:30 p.m.
On Korenblum's maximum principle in Bergman space.
Aimo Hinkkanen*, University of Illinois
(9493009)

3:00 p.m.
Circle preserving maps.
Alan F. Beardon, University of Cambridge
David Minda*, University of Cincinnati
(94930163)

3:30 p.m.
Hyperbolically convex functions.
William Ma*, Pennsylvania College of Technology
David Minda, University of Cincinnati
(94930113)

4:00 p.m.
Best approximation by analytic and harmonic functions in the supremum norm.
Dmitry Khavinson*, University of Arkansas
Harold S. Shapiro, Royal Institute of Technology, Stockholm
(9494135)

4:30 p.m.
Banach spacevalued classes of Sobolev functions.
Juha Heinonen, University of Michigan
Pekka Koskela, University of Jyv\"askyl\"a
Nageswari Shanmugalingam, National University of Ireland
Jeremy Tyson*, SUNYStony Brook
(94946160)

5:00 p.m.
Hausdorff dimension and limit sets of quasiconformal groups.
Petra BonfertTaylor*, Wesleyan University
Edward C. Taylor, University of Connecticut
(9493054)

5:30 p.m.
Quasisymmetries, Quasicircles, and Circle Packing.
G Brock Williams*, Texas Tech University
(94930171)

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on Contemporary Methods in Dynamics and Differential Equations, I
Room 200, Denny Hall
Organizers:
Robert W. Ghrist, Georgia Institute of Technology ghrist@math.gatech.edu
Konstantin M. Mischaikow, Georgia Institute of Technology mischaik@math.gatech.edu

2:30 p.m.
The Extended Morse Complex.
Octav Cornea*, Universite de Lille 1
(9493738)

3:00 p.m.
Deterministic Central Limit Theorems in Dynamical Systems with Symmetry .
Matthew Nicol, UMIST
Ian Melbourne*, University of Houston
Peter Ashwin, University of Surrey
(9493751)

3:30 p.m.
Stochastic Dynamical Systems and Applications to Geophysical Flow Modeling.
Jinqiao Duan*, Clemson University
(9493774)

4:00 p.m.
Euler flows and the Weinstein conjecture for solid tori.
John Etnyre, Stanford University
Robert Ghrist*, Georgia Institute of Technology
(9495878)

4:30 p.m.
Periodic orbits for fourth order conservative systems and a Morse type theory.
Robert C Vandervorst*, GA Tech
JanBouwe Van den Berg, University of Leiden
(9493779)

5:00 p.m.
Separatrix Crossing for MultiDimensional Hamiltonian Systems.
Norman Lebovitz, University of Chicago
Todd Young*, Ohio University
(9493480)

5:30 p.m.
Positivity of Nonnegative solutions for cooperative semipositone systems.
Alfonso Castro, University of Texas at San Antonio
Maya Chhetri, University of North Carolina at Greensboro
Ratnasingham Shivaji*, Mississippi State University
(9493590)

Friday October 15, 1999, 2:30 p.m.5:50 p.m.
Special Session on Algebraic Geometry, I
Room 107, Fretwell Hall
Organizers:
Valery Aleexev, University of Georgia valery@math.uga.edu
William Graham, University of Georgia
Roy C. Smith, University of Georgia
Robert Varley, University of Georgia robert@math.uga.edu

2:30 p.m.
The Separation Conjecture in Real Algebraic Geometry.
James J Madden*, Louisiana State University
(94914172)

3:00 p.m.
Discussion

3:30 p.m.
Fundamental groups of real algebraic varieties.
Eriko Hironaka*, Florida State University
(94914127)

4:00 p.m.
Representations of polynomials positive on semialgebraic sets.
Victoria Powers*, Emory University
(94914161)

4:30 p.m.
Polygons with Prescribed Edges and Special Lagrangians in CalabiYau Manifolds.
Ciprian S Borcea*, Rider University
(94914137)

5:00 p.m.
An application of commutative algebra to tiling theory.
Kevin P Keating*, University of Florida
(94952148)

5:30 p.m.
Generalized Newton Puiseux Expansions and a conjecture of D. Daigle and G. Freudenberg.
Avinash Sathaye*, University of Kentucky
(94914197)

Friday October 15, 1999, 2:30 p.m.5:00 p.m.
Special Session on Gauge Theory and LowDimensional Topology, I
Room 118, Fretwell Hall
Organizers:
Eric P. Klassen, Florida State University klassen@math.fsu.edu
Paul A. Kirk, Indiana University pkirk@ucs.indiana.edu

2:30 p.m.
Floer Homology and Dehn surgeries along knots in $S^3$ with nontrivial cyclic fundamental group.
Olivier Collin*, Harvard University
(94957200)

3:10 p.m.
Quantized Flat Connections on Spines of ThreeManifolds.
Charles D Frohman*, The University of Iowa
(94957186)

3:50 p.m.
The Theta Divisor and ThreeManifold Invariants.
Peter S Ozsvath*, Michigan State University
Zoltan Szabo, University of MichiganDe
(94957220)

4:30 p.m.
Immersed symplectic spheres in sympelctic four manifolds.
TianJun Li*, Princeton University
(9495755)

Friday October 15, 1999, 2:30 p.m.5:20 p.m.
Special Session on Stochastic Processs and Control, I
Room 305, Fretwell Hall
Organizers:
Volker Wihstutz, University of North Carolina at Charlotte wihstutz@uncc.edu
Alexander A. Yushkevich, University of North Carolina at Charlotte fma00aay@unccvm.uncc.edu

2:30 p.m.
Optimal switching of a Markov chain.
Alexander A Yushkevich*, UNC, Charlotte
(9496022)

3:00 p.m.
Levylike Continuity Theorems for Convergence in Distribution.
Theodore P. Hill*, Georgia Institute of Technology
(9496023)

3:30 p.m.
Mixed and Isoperimetric Estimates on the LogSobolev Constants of Graphs and Markov Chains.
Christian Houdre*, School of Math., Georgia Tech
(9496024)

4:00 p.m.
Characterization of stabilizing stochastic processes.
Volker Wihstutz*, UNC Charlotte
(9499336)

4:30 p.m.
Branching Particle Systems on Brownian Flows.
Erhan Cinlar*, Princeton University
Christopher C. Finger, J. P. Morgan
(9496037)

5:00 p.m.
Simple robust control problems in queueing theory.
Martin V Day*, Virginia Tech
(9499357)

Friday October 15, 1999, 2:30 p.m.6:20 p.m.
Special Session on Applied Probabilistic Combinatorics, I
Room 105, Denny Hall
Organizers:
Bela Bollob\'as, University of Memphis bollobas@msci.memphis.edu
Gregory Sorkin, IBM T.J. Watson Research Center sorkin@watson.ibm.com

2:30 p.m.
Coalescent trees and the age of a mutation.
Robert C Griffiths, University of Oxford
Simon Tavar\'e*, UNiversity of Southern California
(9496071)

3:00 p.m.
Random ThreeDimensional Tilings of Aztec Octahedra and Tetrahedra: An Extension of Domino Tilings.
Dana Randall*, Georgia Institute of Technology
Gary Yngve, Georgia Institute of Technology
(94905182)

3:30 p.m.
The sizes and speeds of properties of graphs.
David Weinreich*, The University of Memphis
Bela Bollobas, The University of Memphis and Cambridge University
Jozsef Balog, The University of Memphis
(94905227)

4:00 p.m.
Graphical Representations of the Potts Model in a Magnetic Field.
Marek Biskup, Microsoft Research
Christian Borgs*, Microsoft Research
Jennifer T Chayes, Microsoft Research
Roman Kotecky, Center for Theoretical Study
(94982226)

4:30 p.m.
Discounted Reward Markov Decision Process is Undecidable.
Anne E Condon*, University of British Columbia
(94968109)

5:00 p.m.
Random matchings which induce Hamilton cycles, and Hamiltonian decompositions of random regular graphs.
Jeong Han Kim*, Microsoft Research
Nick C. Wormald, University of Melbourne
(9490584)

5:30 p.m.
01 Laws for Single Molecules.
Bud Mishra*, Courant Institute, NYU
(9490567)

6:00 p.m.
Discussion
Inquiries: meet@ams.org