
AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:21:28
Program 
Deadlines 
Registration/Housing/Etc. 
Inquiries: meet@ams.org
2001 Spring Western Section Meeting
Las Vegas, NV, April 2122, 2001
Meeting #965
Associate secretaries: Bernard Russo, AMS brusso@math.uci.edu
Saturday April 21, 2001

Saturday April 21, 2001, 8:00 a.m.4:30 p.m.
Meeting Registration
First Floor Foyer, Classroom Building Complex A

Saturday April 21, 2001, 8:00 a.m.10:50 a.m.
Special Session on Finite Element Analysis and Applications, I
Room 223, Classroom Building Complex C, Classroom Building Complex C Organizers: Jichun Li, University of Nevada jichun@nevada.edu
Michael Marcozzi, University of Nevada marcozzi@nevada.edu
George Miel, University of Nevada miel@nevada.edu
Darrell W. Pepper, University of Nevada pepperu@nye.nscee.edu

8:00 a.m.
Valuation of derivative securities by variational methods.
Michael D Marcozzi*, University of Nevada, Las Vegas
(9659027)

8:30 a.m.
Conservative Galerkin finite element methods and local flux recovery.
SoHsiang Chou*, Bowling Green State University
(96565106)

9:00 a.m.
Approximations of degenerate extended Williamson fluids based on Heindl elements.
ShueSum Chow*, Brigham Young University
Graham F Carey, University of Texas at Austin
William Barth, University of Texas at Austin
(96565196)

9:30 a.m.
Comparison of Finite Elements and Finite Differences Methods in Option Pricing.
George Miel*, University of Nevada
Jack Schofield, University of Nevada
(96565199)

10:00 a.m.
A Posteriori Finite Element Error Estimation for Hyperbolic Partial Differential Equations.
Slimane Adjerid*, Department of Mathematics, Virginia Polytechnic Institute
Joseph E Flaherty, Rensselaer Polytechnic Institute
Lilia Krivodonova, Rensselaer Polytechnic Institute
(96565184)

10:30 a.m.
Finite Element Methods for Schr\"odinger Systems.
Graeme Fairweather*, Colorado School of Mines
(96565197)

Saturday April 21, 2001, 8:00 a.m.10:50 a.m.
Special Session on Physical Knotting and Unknotting, I
Room 215, Classroom Building Complex C, Classroom Building Complex C Organizers: Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
Eric J. Rawdon, Chatham College rawdon@chatham.edu

8:00 a.m.
Upper Bounds on Linking Numbers of Thick Links.
Yuanan Diao*, UNC Charlotte
Claus Ernst, Western Kentucky Univ.
Jance Van E Rensburg, York University
(9655733)

8:30 a.m.
On the gyration radius of random knots and its critical exponent.
Tetsuo Deguchi*, Department of Physics, Faculty of Science, and Graduate School of Humanities and Sciences, Ochanomizu University
Miyuki K Shimamura, Department of Physics, Faculty of Science, and Graduate School of Humanities and Sciences, Ochanomizu University
(9656568)

9:00 a.m.
Optimal shapes of elastic filaments with finite thickness.
Oscar Gonzalez*, University of Texas, Austin
(96574167)

9:30 a.m.
Localization of breakage points in knotted strings.
Piotr Pieranski, Poznan University of Technology
Sandor Kasas, University of Lausanne
Giovanni Dietler*, University of Lausanne
Jacques Dubochet, University of Lausanne
Andrzej Stasiak, University of Lausanne
(9657467)

10:00 a.m.
Predicting Optimal Lengths of Random Knots.
Akos Dobay, University of Lausanne/Laboratory of Ultrastructural Analysis
PierreEdouard Sottas, Swiss Federal Institute of Technology/Center for Neuromimetic Systems
Jacques Dubochet, University of Lausanne/Laboratory of Ultrastructural Analysis
Andrzej Stasiak*, University of Lausanne/Laboratory of Ultrastructural Analysis
(96592101)

10:30 a.m.
Ideal trefoil knot.
Piotr Pieranski*, Poznan University of Technology
Sylwester Przybyl, Poznan University of Technology
(96551177)

Saturday April 21, 2001, 8:00 a.m.10:50 a.m.
Special Session on Set Theory, I
Room 221, Classroom Building Complex C, Classroom Building Complex C Organizers: Douglas Burke, University of Nevada, Las Vegas dburke@nevada.edu
Derrick Dubose, University of Nevada, Las Vegas dubose@nevada.edu

8:00 a.m.
Connections between AD and AC.
Steve C Jackson*, University of North Texas
(96503138)

8:30 a.m.
Some theorems and questions in descriptive set theory.
Howard S Becker*, University of South Carolina
(96503117)

9:00 a.m.
Equivalence between Wadge and Lipschitz determinacy.
Alessandro Andretta*, Universit\`a di Torino, Italy
Donald A. Martin, University of California Los Angeles
(9650329)

9:30 a.m.
Seemingly weak versions of Blackwell determinacy.
Benedikt L\"owe*, Rheinische FriedrichWilhelmsUniversit\"at Bonn
(9650387)

10:00 a.m.
Some Applications of the AdamsKechris Technique.
Su Gao*, California Institute of Technology
(96503104)

10:30 a.m.
Nonstandard applications of GandyHarrington.
Greg Hjorth*, UCLA
(9650338)

Saturday April 21, 2001, 8:00 a.m.4:30 p.m.
Exhibit and Book Sale
First Floor Foyer, Classroom Building Complex A

Saturday April 21, 2001, 8:30 a.m.10:50 a.m.
Special Session on Geometric and Computational Group Theory, I
Room 225, Classroom Building Complex C, Classroom Building Complex C Organizers: Eric M. Freden, Southern Utah University freden@suu.edu
Eric L. Swenson, Brigham Young University eric@math.byu.edu

8:30 a.m.
The density of graphical sets and primitive elements in free groups.
Enric Ventura*, City College of New York & Univ. Pol. Catalunya
(96520217)

9:00 a.m.
$Out(F_n)$ has no parabolic elements.
Emina Alibegovic*, University of Utah
(96520158)

9:30 a.m.
Relative growth of groups of automorphisms.
Alexei Myasnikov, The City College of New York
Vladimir Shpilrain*, The City College of New York
(96520129)

10:00 a.m.
Rotation Distance and Thompson's Group F.
Sean Cleary*, City College of New York
(9652032)

10:30 a.m.
Bounded cohomology, amenable groups, and hyperbolic groups.
Igor Mineyev*, University of South Alabama
(9652094)

Saturday April 21, 2001, 8:30 a.m.10:55 a.m.
Special Session on Graphs and Digraphs, I
Room 214, Classroom Building Complex C, Classroom Building Complex C Organizers: Michael Jacobson, University of Louisville mikej@louisville.edu
K. Brooks Reid, California State University, San Marcos breid@coyote.csusm.edu

8:30 a.m.
Packing Caterpillars Into Complete Graphs.
John J Watkins*, Colorado College
Jesse Gilbert, Lawrence University
(9650540)

9:00 a.m.
Directed Cycle Decompositions of the Complete Symmetric Digraph, Part I.
Brian Alspach, University of Regina
Heather Gavlas*, Grand Valley State University
Mateja Sajna, Nova Gorica Polytechnic
Helen Verrall, Portland, Oregon
(9650578)

9:30 a.m.
Directed Cycle Decompositions of the Complete Symmetric Digraph, Part II.
Brian Alspach*, University of Regina
Heather Gavlas, Grand Valley State University
Mateja \v{S}ajna, Capilano College
Helen Verrall, Portland, Oregon
(96505110)

10:00 a.m.
Partitioning Vertices of a Tournament into Independent Cycles.
Guantao Chen, Georgia State University
Ronald J Gould*, Emory University
Li Hao, Universite ParisSud
(9650588)

10:30 a.m.
Hamiltonian decomposition of prisms over cubic grpahs.
Roman \v{C}ada, University of West Bohemia
Moshe Rosenfeld*, University of Washington, Tacoma
Zden\v{e}k Ryj\'a\v{c}ek, University of West Bohemia
(96505195)

Saturday April 21, 2001, 8:30 a.m.10:45 a.m.
Special Session on PDEs from Fluid Mechanics: Applied Analysis and Numerical Methods, I
Room 217, Classroom Building Complex C, Classroom Building Complex C Organizers: L. Steven Hou, York University and Iowa State University hou@math.iastate.edu
Xiaoming Wang, Iowa State University wang@math.iastate.edu

8:30 a.m.
Spectral approximation of a dissipative model for liquid crystals flow.
Qiang Du*, Iowa State University
(9656541)

8:45 a.m.
An Application of Optimal Control Theory to Crystal Growth.
James C Turner*, Florida State University
(96549112)

9:15 a.m.
FiniteElement Simulation of Electromagnetically and Thermally Driven MHD Flows.
A. J Meir*, Department of Mathematics, Auburn University
Paul G Schmidt, Department of Mathematics, Auburn University
(9657676)

9:30 a.m.
break

9:45 a.m.
Computations of Compressible Vortices.
Thomas P Svobodny*, Wright State University
(9657693)

10:00 a.m.
Stabilization of a quasilinear parabolic equation or the 2D NavierStokes system by boundary feedback control.
Andrei V Fursikov*, Moscow State University
(9659383)

10:15 a.m.
Exact controllability of an elastic membrane coupled with a potential fluid.
Scott Hansen*, Iowa State University
(9659386)

10:30 a.m.
Analysis of viscous incompressible flows around a moving rigid body.
HyungChun Lee*, Ajou University
(96576120)

Saturday April 21, 2001, 8:30 a.m.10:45 a.m.
Special Session on Waves in Heterogeneous Media, I
Room 219, Classroom Building Complex C, Classroom Building Complex C Organizers: Randall J. LeVeque, University of Washington rjl@amath.washington.edu
Knut Solna, University of California Irvine ksolna@math.uci.edu

8:30 a.m.
Imaging in a random environment.
George C Papanicolaou*, Department of Mathematics Stanford University
(96560208)

9:05 a.m.
Absence of slow time behaviour in waves in random media.
Abel Klein*, University of California, Irvine
(96535141)

9:40 a.m.
break

10:00 a.m.
Turbulence Induced Beam Spreading of Higher Order Mode Optical Waves.
Cynthia Y Hopen*, University of Central Florida
Yadira V Gilchrest, Department of Mathematics, UCF
Brian R Macon, Department of Mathematics, UCF
(9653377)

10:25 a.m.
Nonlinear wave propagation in random layered media.
J B Thoo*, Yuba College
J K Hunter, Univ. of California, Davis
(96535192)

Saturday April 21, 2001, 9:00 a.m.10:50 a.m.
Special Session on Topology of Links, I
Room 212, Classroom Building Complex C, Classroom Building Complex C Organizers: Jeff Johannes, University of Nevada, Las Vegas johannes@member.ams.org
Swatee Naik, University of Nevada, Reno naik@unr.edu

9:00 a.m.
Intrinsically Knotted and Linked Graphs.
Erica L Flapan*, Pomona College
(9655762)

9:30 a.m.
Apolynomials and twisted Alexander polynomials.
Andrius Tamulis*, Cardinal Stritch University
(96557157)

10:00 a.m.
Remarks on Khovanov's knot homology.
Oliver T Dasbach*, University of California, Riverside
Arkady Vaintrob, University of Oregon, Eugene
(96557194)

10:30 a.m.
New developments in arithmetic topology.
Adam S. Sikora*, CRM/ISM, Montreal
(96557220)

Saturday April 21, 2001, 9:00 a.m.10:40 a.m.
Special Session on Analysis and Applications of Nonlinear PDEs, I
Room 213, Classroom Building Complex C, Classroom Building Complex C Organizers: David G. Costa, University of Nevada, Las Vegas costa@nevada.edu
Zhonghai Ding, University of Nevada, Las Vegas dingz@nevada.edu
Hossein Tehrani, University of Nevada, Las Vegas tehranih@nevada.edu

9:00 a.m.
Boundaryvalue Problems for Nonlinear Wave Equations.
Jerry L Bona*, University of Texas at Austin
(96535156)

9:35 a.m.
Stability of multidimensional traveling waves for a nonlocal AllenCahn equation.
Peter W Bates*, Brigham Young University
Fengxin Chen, University of Texas, San Antonio
(96535128)

10:10 a.m.
Boundary value problems with bounded nonlinearities.
James R Ward*, University of Alabama at Birmingham
(96535132)

Saturday April 21, 2001, 9:00 a.m.10:50 a.m.
Special Session on Number Theory with a Geometric Flavor, I
Room 210, Classroom Building Complex C, Classroom Building Complex C Organizers: Arthur Baragar, University of Nevada, Las Vegas baragar@nevada.edu

9:00 a.m.
Rational curves on K3 surfaces  A geometrical interpretation.
Arthur Baragar*, UNLV
(96514182)

9:30 a.m.
Explicit covering techniques for hyperelliptic curves.
Nils Bruin*, PIMS, SFU, UBC
(9651166)

10:00 a.m.
Geometry of the affine line modulo isogeny.
Mugurel A Barcau*, University of New Mexico
(9651114)

10:30 a.m.
Apollonian Circle Packings: Number Theory.
Ron L Graham, Univ. of Calif. at San Diego
Jeff C Lagarias, At&T Labs
Colin L Mallows, AT&T Labs
Allan R Wilks, AT&T Labs
Catherine H Yan*, Texas A&M Univ and IAS
(9651146)

Saturday April 21, 2001, 9:30 a.m.10:50 a.m.
Special Session on History of Mathematics, I
Room 216, Classroom Building Complex C, Classroom Building Complex C Organizers: Shawnee L. McMurran, California State University, San Bernadino mcmurran@math.csusb.edu
Adrian Rice, RandolphMacon College arice4@rmc.edu
James Tattersall, Providence College tat@providence.edu

9:30 a.m.
The Effect of Funding on Mathematical Logic.
Florence D. Fasanelli*, The College Board
(96501122)

10:00 a.m.
The Influence of Relativity on Invariant Theory.
Paul R Wolfson*, West Chester University
(96501123)

10:30 a.m.
The Notebooks GianCarlo Rota.
Joel Stein*, California State University San Bernardino
(96501153)

Saturday April 21, 2001, 11:10 a.m.12:00 p.m.
Invited Address
How much do the Hecke operators actually tell us about modular forms?
Auditorium A108, Classroom Building Complex A
Lynne H. Walling*, University of Colorado
(9651104)

Saturday April 21, 2001, 1:30 p.m.2:20 p.m.
Invited Address
Numerical methods for wave propagation in heterogeneous media: Solving hyperbolic PDEs with discontinuous coefficients.
Auditorium A108, Classroom Building Complex A
Randall J LeVeque*, University of Washington
(96565150)

Saturday April 21, 2001, 3:00 p.m.6:20 p.m.
Special Session on Finite Element Analysis and Applications, II
Room 223, Classroom Building Complex C, Classroom Building Complex C Organizers: Jichun Li, University of Nevada jichun@nevada.edu
Michael Marcozzi, University of Nevada marcozzi@nevada.edu
George Miel, University of Nevada miel@nevada.edu
Darrell W. Pepper, University of Nevada pepperu@nye.nscee.edu

3:00 p.m.
Interface tracking using discrete methods. What are we computing?
Juan C Heinrich*, University of Arizona
Pinghua Zhao, University of Arizona
(96565187)

3:30 p.m.
A Comparison Study of the Method of 2nd Moments vs h Adaptation in Finite Elements for AdvectionDiffusion Equations.
Darrell W. Pepper*, University of Nevada Las Vegas
David B. Carrington, University of Nevada Las Vegas
(96576222)

4:00 p.m.
Nonconforming hp mortar finite element methods for Stokes Problems.
Padmanabhan Seshaiyer*, Texas Tech University
Lawrence K Chilton, Air Force Institute of Technology
(96565160)

4:30 p.m.
Solving degenerate reactiondiffusion equations via adaptive splitting.
Qin Sheng*, University of Louisiana at Lafayette
(96565102)

5:00 p.m.
Mixed Discontinuous Finite Element Methods and Their Applications.
Zhangxin Chen*, Southern Methodist University
(9656523)

5:30 p.m.
An analysis of the numerical solution based on moving meshes for advection dominated problems.
Weiming Cao*, University of Texas at San Antonio
(96565173)

6:00 p.m.
Finite Element Analysis for a Nonlinear Diffusion Model in Image Processing.
Jichun Li*, University of Nevada, Las Vegas
(9656573)

Saturday April 21, 2001, 3:00 p.m.5:55 p.m.
Special Session on Graphs and Digraphs, II
Room 214, Classroom Building Complex C, Classroom Building Complex C Organizers: Michael Jacobson, University of Louisville mikej@louisville.edu
K. Brooks Reid, California State University, San Marcos breid@coyote.csusm.edu

3:00 p.m.
AntiRamsey numbers of graphs.
Tao Jiang*, Michigan Technological University
(9650574)

3:30 p.m.
On Edge and Path Ordered Graphs.
Guantao Chen, Georgia State University
Ralph Faudree, University of Memphis
Ronald Gould, Emory University
Michael Jacobson, University of Louisville
Linda Lesniak*, Drew University
Florian Pfender, Emory University
(9650570)

4:00 p.m.
On equimatchable polytopes.
Kenichi Kawarabayashi, Keio University
Michael D. Plummer*, Vanderbilt University
Akira Saito, Nihon University
(9650556)

4:30 p.m.
Generalizing the AlonTarsi Theorem to hypergraphs.
Radhika Ramamurthi, University of Illinois
Douglas B West*, University of Illinois
(96505107)

5:00 p.m.
On local and global independence numbers of a graph.
Ralph J Faudree*, University of Memphis
Richard H Schelp, University of Memphis
Zden\v{e}k Ryj\'a\v{c}ek, University of West Bohemia
(9650561)

5:30 p.m.
The Present Picture of Pebbling.
Glenn H Hurlbert*, Arizona State University
(96505175)

Saturday April 21, 2001, 3:00 p.m.6:20 p.m.
Special Session on Physical Knotting and Unknotting, II
Room 215, Classroom Building Complex C, Classroom Building Complex C Organizers: Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
Eric J. Rawdon, Chatham College rawdon@chatham.edu

3:00 p.m.
Infinitesimally Locked Linkages with Applications to Locked Trees.
Robert Connelly, Cornell University
Erik D Demaine*, University of Waterloo
G\"unter Rote, Freie Universit\"at Berlin
(96551168)

3:30 p.m.
Two recent results on flipping and flipturns.
Pat Morin*, McGill University
(96551183)

4:00 p.m.
Convexifying Polygons in 3D: A Survey.
Michael Soss, McGill University
Godfried T Toussaint*, McGill University
(96551108)

4:30 p.m.
Knotting in Adsorbing Lattice polygons.
Buks Janse van Rensburg*, Mathematics and Statistics, York University
(96582118)

5:00 p.m.
Examples of Lattice Links and Knots.
Claus Ernst*, Western Kentucky University
Marnie Phipps, University of Northern Colorado
Jance Van E Rensburg, York University
(9655452)

5:30 p.m.
On the classification of rational knots.
Sofia Lambropoulou*, National Technical University of Athens
Louis H Kauffman, University of Illinois at Chicago
(96557176)

6:00 p.m.
Biologic, Tangles and DNA.
Louis H. Kauffman*, UIC
Sofia Lambropoulou, National Techinical University at Athens, Greece
(9655796)

Saturday April 21, 2001, 3:00 p.m.5:20 p.m.
Special Session on Set Theory, II
Room 221, Classroom Building Complex C, Classroom Building Complex C Organizers: Douglas Burke, University of Nevada, Las Vegas dburke@nevada.edu
Derrick Dubose, University of Nevada, Las Vegas dubose@nevada.edu

3:00 p.m.
The Consistency of Hamkins's Axiom.
W. Hugh Woodin*, UC Berkeley
(96503149)

3:30 p.m.
On Martin's Conjecture.
Theodore A Slaman*, University of California, Berkeley
(96503142)

4:00 p.m.
The core model up to a Woodin cardinal.
William J Mitchell*, University of Florida
(96503178)

4:30 p.m.
The consistency strength of the failure of the Unique Branches Hypothesis.
John R Steel*, U.C. Berkeley
(96503143)

5:00 p.m.
Making copy embeddings generic.
Itay Neeman*, UCLA
(96503130)

Saturday April 21, 2001, 3:00 p.m.6:00 p.m.
Special Session on Topology of Links, II
Room 212, Classroom Building Complex C, Classroom Building Complex C Organizers: Jeff Johannes, University of Nevada, Las Vegas johannes@member.ams.org
Swatee Naik, University of Nevada, Reno naik@unr.edu

3:00 p.m.
On integrality of the colored Jones polynomial and the Ohtsuki invariants.
Thang T Le*, SUNY Buffalo
(96557170)

3:30 p.m.
Bounds on the exponential growth rate of the colored Jones polynomial.
Oliver Dasbach, University of California, Riverside
XiaoSong Lin*, University of California, Riverside
(96557190)

4:00 p.m.
On the nonexistence of a mod 2 Kontsevich integral.
Ted Stanford*, New Mexico State University
(9655775)

4:30 p.m.
The first Hochschild homology of $K_t(T^2)$.
Michael McLendon*, University of Iowa
(9655780)

5:00 p.m.
Integrality for TQFTs.
Patrick M Gilmer*, Louisiana State University
(9655797)

5:30 p.m.
The Homflypt Skein Module of a Connected Sum of 3Manifolds.
Jianyuan K. Zhong*, Louisiana Tech University
Patrick M Gilmer, Louisiana State University
(9655745)

Saturday April 21, 2001, 3:00 p.m.5:15 p.m.
Special Session on Analysis and Applications of Nonlinear PDEs, II
Room 213, Classroom Building Complex C, Classroom Building Complex C Organizers: David G. Costa, University of Nevada, Las Vegas costa@nevada.edu
Zhonghai Ding, University of Nevada, Las Vegas dingz@nevada.edu
Hossein Tehrani, University of Nevada, Las Vegas tehranih@nevada.edu

3:00 p.m.
Elliptic PDEs with critical exponents and singular potentials.
Nassif Ghoussoub*, Pacific Institute for the Mathematical Sciences
(96535169)

3:35 p.m.
Bilinear control for global controllability of the semilinear parabolic equation with superlinear term.
Alexander Khapalov*, Washington State University
(9653516)

4:10 p.m.
On a Free Boundary Problem with superheating arising in microwave heating processes.
HongMing Yin*, Washington State University
(9653510)

4:45 p.m.
Diffusive Logistic Equation with Constant Effort Harvesting.
Shobha Oruganti, Mississippi State University
Junping Shi, College of William \& Mary
Ratnasingham Shivaji*, Mississippi State University
(9653539)

Saturday April 21, 2001, 3:00 p.m.5:50 p.m.
Special Session on PDEs from Fluid Mechanics: Applied Analysis and Numerical Methods, II
Room 217, Classroom Building Complex C, Classroom Building Complex C Organizers: L. Steven Hou, York University and Iowa State University hou@math.iastate.edu
Xiaoming Wang, Iowa State University wang@math.iastate.edu

3:00 p.m.
Some open problems concerning the energy dissipation rate for incompressible turbulence.
Charles R Doering*, University of Michigan
(9657672)

3:20 p.m.
On The Global Existence Of Weak Solutions To A Shallow Water Equation.
Zhouping Xin*, The Chinese University of Hong Kong and New York University
(9653589)

3:40 p.m.
On conditions for 2D fully developed turbulence in the NavierStokes equations.
Ciprian Foias, Indiana University/Texas A&M
Michael S Jolly*, Indiana University
Oscar Manley, Gaithersburg, MD
Ricardo Rosa, Universidade Federal do Rio De Janeiro
(9657698)

4:00 p.m.
On efficient numerical methods for LandauLifshitz Equations.
Xiaoping Wang*, Hong Kong Univ. of Sci. Tech
(96565174)

4:20 p.m.
break

4:30 p.m.
Mixed Pseudospectral Method For Incompressible Fluid Flow In Unbounded Domains.
Benyu Guo*, Shanghai Normal University
Chenglong Xu, Shanghai University
(9656582)

4:50 p.m.
The Existence of Nontopological multivortex solutions in the Relativistic SelfDual ChernSimons Theory.
Oleg Imanuvilov*, Iowa State University
(9653585)

5:10 p.m.
Complex fluids: liquid crystals, mixtures and polymeric materials.
Liu Chun*, Penn State University
(9653542)

5:30 p.m.
New topological method for dynamics of dissipative PDE's. Computer assisted proof of existence of fixed points for KuramotoSivashinsky equation.
Piotr Zgliczynski*, Indiana University, Bloomington
(9653564)

Saturday April 21, 2001, 3:00 p.m.4:50 p.m.
Special Session on History of Mathematics, II
Room 216, Classroom Building Complex C, Classroom Building Complex C Organizers: Shawnee L. McMurran, California State University, San Bernadino mcmurran@math.csusb.edu
Adrian Rice, RandolphMacon College arice4@rmc.edu
James Tattersall, Providence College tat@providence.edu

3:00 p.m.
Inexplicable? The status of complex numbers in Britain, 17501850.
Adrian Rice*, RandolphMacon College
(9650155)

3:30 p.m.
Harmonic functions in the unit disc.
Victor L. Shapiro*, University of California, Riverside
(9650130)

4:00 p.m.
The Birth of an Independent Trigonometry: Revolution and Conflict in TenthCentury Islamic Spherical Astronomy.
Glen R Van Brummelen*, Bennington College
(9650121)

4:30 p.m.
Noneuclidean Geometry Before Euclid?
Hardy Grant*, York University, Toronto
(9650151)

Saturday April 21, 2001, 3:00 p.m.5:50 p.m.
Special Session on Number Theory with a Geometric Flavor, II
Room 210, Classroom Building Complex C, Classroom Building Complex C Organizers: Arthur Baragar, University of Nevada, Las Vegas baragar@nevada.edu

3:00 p.m.
Siegel Differential Modular Forms.
Mugurel Barcau, University of New Mexico
Alexandru Buium*, University of New Mexico
(9651113)

3:30 p.m.
Arithmetic on a family of K3 surfaces.
David K Penniston*, Furman University
Scott Ahlgren, Colgate University
Ken Ono, University of Wisconsin
(96511125)

4:00 p.m.
Relationships between conjectures on the structure of pro$p$ Galois groups unramified outside $p$.
Romyar T Sharifi*, University of Arizona
(9651165)

4:30 p.m.
Heron triangles with prime power sides.
Florian Luca*, UNAM
(9651118)

5:00 p.m.
Trees, Hecke Operators, and Quadratic Forms.
Holly J Rosson*, Trinity University
(96511119)

5:30 p.m.
Theta functions of quadratic forms.
Olav K Richter*, UC Santa Cruz
(96511136)

Saturday April 21, 2001, 3:00 p.m.5:50 p.m.
Special Session on Waves in Heterogeneous Media, II
Room 219, Classroom Building Complex C, Classroom Building Complex C Organizers: Randall J. LeVeque, University of Washington rjl@amath.washington.edu
Knut Solna, University of California Irvine ksolna@math.uci.edu

3:00 p.m.
Nonlinear wave interaction in periodic dielectric media.
Alexander Figotin*, University of California at Irvine
(9657853)

3:35 p.m.
Random Scattering in Magnetotellurics.
Benjamin S. White*, ExxonMobil Corporate Strategic Research
Werner E. Kohler, Virginia Polytechnic Inst and State Univ
Leonard J. Srnka, ExxonMobil Upstream Research Company
(96586225)

4:10 p.m.
break

4:30 p.m.
High Resolution Radar via Precursors.
Tim Olson*, University of Florida
(96578226)

5:05 p.m.
Numerical Computation of Wave Propagation in Dynamic Materials.
Suzanne L Weekes*, Worcester Polytechnic Institute
(96565134)

5:35 p.m.
Bounds for group velocity of electromagnetic signals.
Knut Solna*, University of CA at Irvine
(96500171)

Saturday April 21, 2001, 3:00 p.m.6:25 p.m.
Contributed Paper Session
Room 211, Classroom Building Complex C, Classroom Building Complex C

3:00 p.m.
Value distribution theory and some of its applications.
ChungChun Yang*, The Hong Kong University of Sci. \& Tech.
(9653035)

3:15 p.m.
Euler characters and submanifolds of constant positive curvature.
John D Moore*, University of California, Santa Barbara
(9655320)

3:30 p.m.
Classifying homeomorphisms of compact graphs up to conjugacy: Preliminary report.
Patrick W Friel*, UCLA
(96503205)

3:45 p.m.
Asymptotic almost periodic functions.
Suren A. Grigoryan*, University of MontanaMissoula/Kazan State University, Russia
Thomas Tonev, University of MontanaMissoula
(96546121)

4:00 p.m.
Minimum Degree and Connectivity Bounds that Imply Property $B_{d,i,j}$.
Michael C Ackerman*, Murray State University
(96505180)

4:15 p.m.
A free boundary problem from the process of a crystal growth.
W. Xie*, Cal Poly Pomona
(96535151)

4:30 p.m.
Consistent Estimates of a Certain Type of Conditional Expectation.
Rod A Freed*, California State University at Dominguez Hills
(96560144)

4:45 p.m.
A note on the Inverse Generalized Eigenvalue Problem $Ax=\lambda Bx$.
Kazem KG Ghanbari*, Carleton University
Angelo Mingarelli, Carleton University
(9651591)

5:00 p.m.
Taylor Integral Remainders and Moduli of Smoothness.
George A Anastassiou*, The University of Memphis
(9652612)

5:15 p.m.
AIEP $\mathbb{Z}_{n}$ Modules.
Lenny Jones, Shippensburg University
Darin Kapanjie*, Shippensburg University
Chad T Lower, Shippensburg University
(96515147)

5:30 p.m.
On the climbing stairs problem.
Mohammad K. Azarian*, University of Evansville
(96511100)

5:45 p.m.
Simplification and classification of linar origin differential equation.
Ali A. Salim*, amman
(9653460)

6:00 p.m.
Algebraic Encryptian, Number Fields, Applications, Notable Failures.
Dr.Tiphoney S. Brujger;MD,PhD*, Pan Asian Congress of Mathematicians
Dr.Petra F. Svisselle;MD,PhD, Marihattrices Foundation
(9658215)

6:15 p.m.
The Hokey Pokey and Abigail Jan Struttgarten Problem.
C. S. Felicitas, CFCTE Foundation and the Gottlieb Library
M. W. Auslander*, CFCTE Foundation and the Gottlieb Library
(9659205)
Sunday April 22, 2001

Sunday April 22, 2001, 8:00 a.m.12:00 p.m.
Meetings Registration
First Floor Foyer, Classroom Building Complex A

Sunday April 22, 2001, 8:00 a.m.10:50 a.m.
Special Session on Geometric and Computational Group Theory, II
Room 225, Classroom Building Complex C, Classroom Building Complex C Organizers: Eric M. Freden, Southern Utah University freden@suu.edu
Eric L. Swenson, Brigham Young University eric@math.byu.edu

8:00 a.m.
On the profinite topology on Coxeter groups.
Rita Gitik*, IHES
(96520215)

8:30 a.m.
On the rigidity of hyperbolic Coxeter groups.
John G. Ratcliffe*, Vanderbilt University
Steven T. Tschantz, Vanderbilt University
(9652050)

9:00 a.m.
Classification of Maximal FASubgroups of Coxeter Groups.
Michael L Mihalik*, Vanderbilt University
(96520105)

9:30 a.m.
Symmetries of Surfaces.
Anthony Weaver*, City University of New York (Bronx Community College)
(9652044)

10:00 a.m.
CAT$(0)$ groups with welldefined boundaries.
Christopher Hruska*, Cornell University
(9652057)

10:30 a.m.
Topology at infinity for CAT(0) complexes.
John Meier*, Lafayette College
(96520201)

Sunday April 22, 2001, 8:00 a.m.10:55 a.m.
Special Session on Graphs and Digraphs, III
Room 214, Classroom Building Complex C, Classroom Building Complex C Organizers: Michael Jacobson, University of Louisville mikej@louisville.edu
K. Brooks Reid, California State University, San Marcos breid@coyote.csusm.edu

8:00 a.m.
On ProbeClone Bipartite Interval Graphs.
David E Brown, University of ColoradoDenver
J. Richard Lundgren*, University of ColoradoDenver
Carrie A Miller, University of ColoradoDenver
(9650526)

8:30 a.m.
A survey of sphereofattraction graphs.
Fred R McMorris*, Illinois Institute of Technology
(9650592)

9:00 a.m.
A new lower bound for the size of edge chromatic critical graphs.
Yue Zhao*, Department of Mathematics, University of Central Florida
(9650522)

9:30 a.m.
The chromatic neighborhood sequence of a graph.
Andre Kundgen*, CSU San Marcos
Mike Molloy, University of Toronto
(96505155)

10:00 a.m.
Hall's Condition and List Mutlicolorings.
Evan B Wantland*, UMMissoula/UMWestern
Peter D Johnson, Jr., Auburn University
(96505216)

10:30 a.m.
Cayley maps.
Michelle Schultz*, University of Nevada Las Vegas
(96505161)

Sunday April 22, 2001, 8:00 a.m.10:50 a.m.
Special Session on Physical Knotting and Unknotting, III
Room 215, Classroom Building Complex C, Classroom Building Complex C Organizers: Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
Eric J. Rawdon, Chatham College rawdon@chatham.edu

8:00 a.m.
Untangling some spheres in $R^4$ by energy minimizing flow.
Dennis M Roseman*, University of Iowa
(96558200)

8:30 a.m.
The Second Hull of a Knotted Curve.
John M Sullivan*, Univ of Illinois
Jason Cantarella, Univ of Georgia
Rob Kusner, UMass/Amherst
Greg Kuperberg, UC Davis
(9655149)

9:00 a.m.
Energy of knots and the infinitesimal crossratio.
Jun O'Hara*, Dept. of Maht., Tokyo Metropolitan University
(96557137)

9:30 a.m.
Most knot energies are minimized by circles.
Aaron Abrams, University of Georgia
Jason Cantarella*, University of Georgia
Joe Fu, University of Georgia
Mohammad Ghomi, University of South Carolina
Ralph Howard, University of South Carolina
(96553181)

10:00 a.m.
On ropelength, thickness and conformal moduli of knots and links.
Robert B Kusner*, University of Massachusetts
(9655790)

10:30 a.m.
Characterizing Polygons with a Small Number of Edges in $ \mathbb{R}^3 $.
Jorge Alberto Calvo*, North Dakota State University
(96557140)

Sunday April 22, 2001, 8:00 a.m.10:50 a.m.
Special Session on Set Theory, III
Room 221, Classroom Building Complex C, Classroom Building Complex C Organizers: Douglas Burke, University of Nevada, Las Vegas dburke@nevada.edu
Derrick Dubose, University of Nevada, Las Vegas dubose@nevada.edu

8:00 a.m.
Perfectly meager and universally null sets.
Tomek Bartoszynski*, Boise State University
(96503145)

8:30 a.m.
Consistently, every supmeasurable function is measurable.
Andrzej Ros{\l}anowski*, University of Nebraska at Omaha
Saharon Shelah, The Hebrew University of Jerusalem
(96503116)

9:00 a.m.
Partition theorems for some nearly adequate sets.
Andreas R Blass*, University of Michigan
(96503139)

9:30 a.m.
Playing with partitions.
Jean A Larson*, University of Florida
(96503124)

10:00 a.m.
Selection principles in separable metric spaces.
Liljana Babinkostova, University of St. Cyril and Methodius
Marion Scheepers*, Boise State University
(96503172)

10:30 a.m.
Canonical Approximations using Elementary Submodels.
Adrienne M Stanley*, University of Northern Iowa
Todd Eisworth, University of Northern Iowa
Doug Mupasiri, University of Northern Iowa
(96554179)

Sunday April 22, 2001, 8:00 a.m.10:50 a.m.
Special Session on Topology of Links, III
Room 212, Classroom Building Complex C, Classroom Building Complex C Organizers: Jeff Johannes, University of Nevada, Las Vegas johannes@member.ams.org
Swatee Naik, University of Nevada, Reno naik@unr.edu

8:00 a.m.
Torsion in Knot Concordance.
Charles Livingston, Indiana University
Swatee Naik*, University of Nevada, Reno
(96557198)

8:30 a.m.
Classification of nonsimple 2 generator knots, links, and 3manifolds.
Steven A Bleiler*, Portland State University
David Bachmann, University of IllinoisChicago
Amelia Jones, Salt Lake City, Utah
(96557152)

9:00 a.m.
Nonintegral exceptional Dehn surgeries.
Cameron McA. Gordon*, University of Texas at Austin
John E. Luecke, University of Texas at Austin
(96557185)

9:30 a.m.
Polynomial splitting of CassonGordon invariants.
SeGoo Kim*, Indiana University
(96557115)

10:00 a.m.
Whitney disks in 3dimensional knot theory.
Rob R Schneiderman*, UC Berkeley
(96557109)

10:30 a.m.
Shadow world evaluation of the YangMills measure.
Charles Frohman, University of Iowa
Joanna KaniaBartoszynska*, Boise State University
(96557164)

Sunday April 22, 2001, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
First Floor Foyer, Classroom Building Complex A

Sunday April 22, 2001, 8:30 a.m.10:45 a.m.
Special Session on Analysis and Applications of Nonlinear PDEs, III
Room 213, Classroom Building Complex C, Classroom Building Complex C Organizers: David G. Costa, University of Nevada, Las Vegas costa@nevada.edu
Zhonghai Ding, University of Nevada, Las Vegas dingz@nevada.edu
Hossein Tehrani, University of Nevada, Las Vegas tehranih@nevada.edu

8:30 a.m.
Computation and visualization of multiple solutions of LaneEmden type semilinear elliptic equations in 3D by the finite element method.
Goong Chen*, Texas A\&M University
WeiMing Ni, University of Minnesota
Alain Perronnet, Universite de Pierre et Marie Curie
Jianxin Zhou, Texas A\&M University
(9653511)

9:05 a.m.
Sharp layer solutions of semilinear elliptic equations.
Junping Shi*, College of William and Mary
(96535127)

9:40 a.m.
A local minorthogonal method for finding multiple saddle points and its application to sublinear elliptic PDE.
Jianxin Zhou*, Texas A\&M University
(9653569)

10:15 a.m.
Some inequalities related to isoperimetric inequalities with partial free boundary.
Meijun Zhu*, University of Oklahoma
(9653548)

Sunday April 22, 2001, 8:30 a.m.10:45 a.m.
Special Session on Waves in Heterogeneous Media, III
Room 219, Classroom Building Complex C, Classroom Building Complex C Organizers: Randall J. LeVeque, University of Washington rjl@amath.washington.edu
Knut Solna, University of California Irvine ksolna@math.uci.edu

8:30 a.m.
Multiscale Computational Methods for Flow and Transport in Strongly Heterogeneous Porous Media.
Thomas Y Hou*, Caltech
(9656581)

9:05 a.m.
Three Point Finite Difference Schemes, Pade, and the Spectral Galerkin Method.
Vladimir Druskin, SchlumbergerDoll Research
Shari Moskow*, University of Florida
(96565221)

9:40 a.m.
break

10:00 a.m.
Inversion of seismic data using a scattering angle transform.
Christiaan C Stolk*, Rice University
(96535191)

10:25 a.m.
Finite Volume Methods for ElastoPlastic Waves in Heterogeneous Media.
Tiernan R Fogarty*, Applied Math Department, University of Washington
(96565163)

Sunday April 22, 2001, 9:00 a.m.10:50 a.m.
Special Session on History of Mathematics, III
Room 216, Classroom Building Complex C, Classroom Building Complex C Organizers: Shawnee L. McMurran, California State University, San Bernadino mcmurran@math.csusb.edu
Adrian Rice, RandolphMacon College arice4@rmc.edu
James Tattersall, Providence College tat@providence.edu

9:00 a.m.
Mina Rees's Influence on Graduate Education.
Amy E Shell*, United States Military Academy
(9650106)

9:30 a.m.
Lewis Carroll's "Game" of Voting.
Francine F Abeles*, Kean University
(9659109)

10:00 a.m.
Paul Dirac and the Applications of Beautiful Mathematics.
Shawnee L McMurran*, California State University San Bernardino
(96501154)

10:30 a.m.
French Contributions to the {\it Educational Times}.
James J Tattersall*, Providence College
Shawnee L McMurran, California State University San Bernardino
(9650137)

Sunday April 22, 2001, 9:00 a.m.10:50 a.m.
Special Session on Number Theory with a Geometric Flavor, III
Room 210, Classroom Building Complex C, Classroom Building Complex C Organizers: Arthur Baragar, University of Nevada, Las Vegas baragar@nevada.edu

9:00 a.m.
Badly approximable pairs and Hausdorff dimension.
Andrew D Pollington*, BYU
Sanju Velani, QMC, London
(96511218)

9:30 a.m.
Explicit special complex multiplication points in fundamental domains of Shimura curves.
Montserrat Alsina*, Grad Center (CUNY)  Univ. Pol. Catalunya (Spain)
Pilar Bayer, Univ. Barcelona (Spain)
(9651171)

10:00 a.m.
Chabauty techniques over number fields.
Joseph L Wetherell*, UC Berkeley
(96511210)

10:30 a.m.
Elliptic curves over function fields with large MordellWeil rank.
Douglas Ulmer*, University of Arizona
(96511131)

Sunday April 22, 2001, 11:10 a.m.12:00 p.m.
Invited Address
Regularity of Interfaces in Degenerate Diffusion.
Auditorium A108, Classroom Building Complex A
Panagiota Daskalopoulos*, University of California, Irvine
(96535165)

Sunday April 22, 2001, 1:30 p.m.2:20 p.m.
Invited Address
Lie superalgebras: representations and geometry.
Auditorium A108, Classroom Building Complex A
Vera Serganova*, uc berkeley
(96522202)

Sunday April 22, 2001, 3:00 p.m.4:20 p.m.
Special Session on Geometric and Computational Group Theory, III
Room 225, Classroom Building Complex C, Classroom Building Complex C Organizers: Eric M. Freden, Southern Utah University freden@suu.edu
Eric L. Swenson, Brigham Young University eric@math.byu.edu

3:00 p.m.
Test sets and automorphism class representatives in finitely generated abelian groups.
Edward C Turner*, University at Albany
(9652034)

3:30 p.m.
Stable Exponents.
Gregory R Conner*, Brigham Young University
Michel Coornaert, Institut de Recherche Math\'ematique Avanc\'ee, Universit\'e Louis Pasteur
(9652084)

4:00 p.m.
Uniform Exponential Growth and GL_2.
Roger C Alperin*, San Jose State University
(96520126)

Sunday April 22, 2001, 3:00 p.m.5:20 p.m.
Special Session on Physical Knotting and Unknotting, IV
Room 215, Classroom Building Complex C, Classroom Building Complex C Organizers: Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
Eric J. Rawdon, Chatham College rawdon@chatham.edu

3:00 p.m.
Calculating in the space of knots or links.
Richard Randell*, University of Iowa
(96557135)

3:30 p.m.
Investigations of Polygonal Knot Space and Ideal Physical Knot Configurations.
Kenneth C Millett*, University of California, Santa Barbara
(96557203)

4:00 p.m.
A spectrum for natural knotting?
Gregory R Buck*, Saint Anselm College
Robert G Scharein, University of British Columbia
(96582166)

4:30 p.m.
Hyperbolic reflections of polygonal knots.
Richard Randell, University of Iowa
Jonathan Simon*, University of Iowa
Joshua Tokle, University of Iowa
(96557186)

5:00 p.m.
Inscribing Smooth Knots in Polygonal Knots to Determine Minimal Ropelength.
Eric J Rawdon*, Chatham College
(96557159)

Sunday April 22, 2001, 3:00 p.m.5:20 p.m.
Special Session on Set Theory, IV
Room 221, Classroom Building Complex C, Classroom Building Complex C Organizers: Douglas Burke, University of Nevada, Las Vegas dburke@nevada.edu
Derrick Dubose, University of Nevada, Las Vegas dubose@nevada.edu

3:00 p.m.
Cocovering and factoring.
MC (Mack) Stanley*, San Jose State
(96503162)

3:30 p.m.
Elementary embeddings $j:V\to V$ with Choice.
Paul J Corazza*, Boise State University
(9650395)

4:00 p.m.
Axioms which imply GCH.
Jan Mycielski*, University of Colorado, Boulder
(96503103)

4:30 p.m.
On the strength of an $\omega_1$dense ideal and the Continuum Hypothesis.
Richard O Ketchersid*, UCLA
(96503146)

5:00 p.m.
A Paradoxical Rearrangement of the Cube.
John C Simms*, Marquette University
(96503224)

Sunday April 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Topology of Links, IV
Room 212, Classroom Building Complex C, Classroom Building Complex C Organizers: Jeff Johannes, University of Nevada, Las Vegas johannes@member.ams.org
Swatee Naik, University of Nevada, Reno naik@unr.edu

3:00 p.m.
Grope Cobordism of Classical Knots.
Jim Conant*, Cornell University
Peter Teichner, University of California, San Diego
(9655743)

3:30 p.m.
Seifert Surfaces and Milnor's Invariants.
Blake Mellor*, Honors College, Florida Atlantic University
Paul Melvin, Bryn Mawr College
(9655763)

4:00 p.m.
On $n$equivalence and knot genus.
Effie Kalfagianni*, MSU
(96557206)

4:30 p.m.
Symplectic form on $t$colorings of tangles.
Jozef H Przytycki*, George Washington University
(96557204)

Sunday April 22, 2001, 3:00 p.m.4:40 p.m.
Special Session on Analysis and Applications of Nonlinear PDEs, IV
Room 213, Classroom Building Complex C, Classroom Building Complex C Organizers: David G. Costa, University of Nevada, Las Vegas costa@nevada.edu
Zhonghai Ding, University of Nevada, Las Vegas dingz@nevada.edu
Hossein Tehrani, University of Nevada, Las Vegas tehranih@nevada.edu

3:00 p.m.
A SignChanging Solution for a Superlinear Dirichlet Problem, II.
John M. Neuberger*, Northern Arizona University
Alfonso Castro, University of Texas, San Antonio
Pavel Dr\'abek, University of West Bohemia
(96535111)

3:35 p.m.
Characterizing the Second Eigenvalue for a Class of Nonhomogeneous Quasilinear Problems.
Stephen B Robinson*, Wake Forest University
(96535133)

4:10 p.m.
The Dirichlet Problem for Harmonic Maps from the Disk into the 2Sphere with Symmetric Boundary Conditions.
Michael A Brilleslyper*, U.S. Air Force Academy
(9655836)

Sunday April 22, 2001, 3:00 p.m.5:35 p.m.
Special Session on Waves in Heterogeneous Media, IV
Room 219, Classroom Building Complex C, Classroom Building Complex C Organizers: Randall J. LeVeque, University of Washington rjl@amath.washington.edu
Knut Solna, University of California Irvine ksolna@math.uci.edu

3:00 p.m.
Derivation of transport for Schr\"odinger equations in the high frequency regime with fast oscillatory timedependent potential.
Guillaume Bal*, University of Chicago
George Papanicolaou, Stanford University
Leonid Ryzhik, University of Chicago
(96535193)

3:35 p.m.
Polarization Phenomena in Heterogeneous Media.
Arnold D Kim*, Stanford University
Miguel Moscoso, Stanford University
(9657819)

4:10 p.m.
break

4:30 p.m.
Embedded Finite Difference Methods for Wave Problems in Complex Geometries and Heterogeneous Media.
Jan S Hesthaven*, Brown University
(9656579)

5:05 p.m.
Solving boundaryvalue problems for systems of hyperbolic conservation laws with rapidly varying coefficients.
Darryl H Yong*, Harvey Mudd College
(96535114)
Inquiries: meet@ams.org

