AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:04
Program 
Deadlines 
Inquiries: meet@ams.org
Eastern 1993 Spring Sectional Meeting
Washington, DC, April 1718, 1993
Meeting #881
Associate secretaries:
Lesley M Sibner, AMS
lsibner@duke.poly.edu
Saturday April 17, 1993

Saturday April 17, 1993, 8:00 a.m.10:50 a.m.
Special Session on Wavelets in Sampling Theory and Signal Processing, I
Room 1002, Downing Hall

8:00 a.m.
A class of band limited cardinal wavelets.
G. G. Walter*, University of Wisconsin, Milwaukee
Y. M. Liu, University of Wisconsin, Milwaukee
(8814124)

8:30 a.m.
Adaptive decompositions with timefrequency atoms.
Stephane Mallat, Courant Institute of Mathematical Sciences, New York University
Zhifeng Zhang*, Courant Institute of Mathematical Sciences, New York University
(8819415)

9:00 a.m.
Acceleration of the frame algorithm.
Karlheinz Gr\"ochenig*, University of Connecticut, Storrs
(8814216)

9:30 a.m.
Irregular sampling and a wavelet auditory model.
John J. Benedetto*, University of Maryland, College Park
(8814261)

10:00 a.m.
On the extension of the Zak transform.
Ahmed I. Zayed*, University of Central Florida
Piotr Mikusinski, University of Central Florida
(88142188)

10:30 a.m.
Some remarks on wavelet transforms and sampling.
E. Bing Lin*, University of Illinois, Chicago
Tomasz Bielecki, University of Illinois, Chicago
Jie Chen, University of Illinois, Chicago
Stephen S.T. Yau, University of Illinois, Chicago
(8814254)

Saturday April 17, 1993, 8:00 a.m.10:50 a.m.
Special Session on Undergraduate Research in Applied Mathematics, I
Room 202, Locke Hall

8:00 a.m.
Orientation

8:30 a.m.
Discussion

Saturday April 17, 1993, 8:00 a.m.10:50 a.m.
Special Session on Undergraduate Research in Pure Mathematics, I
Room 200, Locke Hall

8:00 a.m.
Orientation

9:00 a.m.
On the shellability of the poset of psubgroups of a finite group.
Samuel Kutin*, Old Westbury, New York
Murad \"Ozayd\i n, University of Oklahoma
(88120109)

9:30 a.m.
Counting nilpotent pairs.
Jeffrey Vanderkam*, Durham, North Carolina
Jason Fulman, Harvard University
Mike Galloy, RoseHulman Institute of Technology
(8812093)

10:00 a.m.
A formula for the distribution character of representations of SL(2,R), using the Cayley transform.
Sally Picciotto*, Yale University
(88122108)

10:30 a.m.
Asymptotic cones of elliptic orbits in sp_4(R).
Linie Chang, Duke University
Michael Kleber, Harvard University
Edward Mosteig*, University of Michigan, Ann Arbor
(88122112)

Saturday April 17, 1993, 8:20 a.m.10:50 a.m.
Special Session on Nonlinear Elliptic Problems in Geometry and Physics, I
Room 320, Just Hall

8:20 a.m.
The level set method for nonlinear PDE.
Lawrence C. Evans*, University of California, Berkeley
(88135119)

9:00 a.m.
Evolving plane curves by curvature in relative geometries II.
Michael E. Gage*, University of Rochester
Yi Li, University of Rochester
(8815377)

9:40 a.m.
Flat flow is motion by crystalline curvature for curves with crystalline energies.
Fred Almgren, Princeton University
Jean E. Taylor*, Rutgers University, New Brunswick
(8813578)

10:20 a.m.
Flat curvature flow and crystal growth.
Jean E. Taylor, Rutgers University, New Brunswick
Frederick Almgren*, Princeton University
Lihe Wang, Princeton University
(88135115)

Saturday April 17, 1993, 8:30 a.m.10:50 a.m.
Special Session on Dilation and Interpolation: Operator Theoretic Methods, I
Room 224, Just Hall

8:30 a.m.
Prediction and the Nehari problem.
I. Gohberg, Tel Aviv University, Israel
H. J. Landau*, AT&T Bell Laboratories, Murray Hill, New Jersey
(88147201)

9:00 a.m.
Positive extensions of almost periodic functions.
Ilya M. Spitkovsky*, College of William & Mary
Hugo J. Woerdeman, College of William & Mary
(8813070)

9:30 a.m.
A Nehari theorem in the bidisk.
Mischa Cotlar, Universidad Central de Venezuela, Venezuela
Cora Sadosky*, Howard University
(88132200)

10:00 a.m.
Linearly constrained interpolation in nest algebras.
Mih\'aly Bakonyi, Georgia State University
Hugo J. Woerdeman*, College of William & Mary
(8814705)

10:30 a.m.
Extensions with positive real part. A new version of the abstract band method.
Robert L. Ellis*, University of Maryland, College Park
(88147145)

Saturday April 17, 1993, 8:30 a.m.10:50 a.m.
Special Session on Graph Theory, I
Room 2006, Downing Hall

8:30 a.m.
On a problem of Posa and Seymour.
Ralph Faudree, Memphis State University
Ronald Gould, Emory University
Michael S. Jacobson*, University of Louisville
(8810585)

9:00 a.m.
Toughness and trianglefree graphs.
D. Bauer*, Stevens Institute of Technology
J. van den Heuvel, University of Twente, Netherlands
E. Schmeichel, San Jose State University
(88105156)

9:30 a.m.
Degree conditions and cycle extendability.
R. J. Faudree, Memphis State University
R. J. Gould, Emory University
M. S. Jacobson, University of Louisville
L. M. Lesniak*, Drew University
(88105137)

10:00 a.m.
Monochromatic spanning trees in 2colored graphs.
R. J. Faudree*, Memphis State University
R. J. Gould, Emory University
M. S. Jacobson, University of Louisville
L. M. Lesniak, Drew University
(88105207)

10:30 a.m.
Mixed Ramsey numbers: Total chromatic number and stars.
Guantao Chen*, North Dakota State University, Fargo
(88105158)

Saturday April 17, 1993, 8:30 a.m.10:50 a.m.
Special Session on Pure and Applied Recursion Theory, I
Room 2104, Downing Hall

8:30 a.m.
Cantor singleton.
Georgia Martin, University of Maryland, College Park
James Owings*, University of Maryland, College Park
(8810337)

9:00 a.m.
On the CantorBendixon rank of recursively enumerable sets.
Peter Cholak*, University of Michigan, Ann Arbor
Rod Downey, Victoria University of Wellington, New Zealand
(8810310)

9:30 a.m.
Iterated relative recursive enumerability.
Peter A. Cholak, University of Michigan, Ann Arbor
Peter G. Hinman*, University of Michigan, Ann Arbor
(8810359)

10:00 a.m.
Nondeterministic recursion.
Yiannis N. Moschovakis*, University of California, Los Angeles
(88103216)

10:30 a.m.
Logic on an Eclosed set.
Gerald E. Sacks*, Harvard University and Massachusetts Institute of Technology
(8810317)

Saturday April 17, 1993, 8:30 a.m.10:50 a.m.
Special Session on Geometric Methods in Combinatorics, I
Room 2002, Downing Hall

8:30 a.m.
On signrepresentable matroids.
James Oxley*, Louisiana State University, Baton Rouge
Geoff Whittle, Victoria University of Wellington, New Zealand
(88105204)

9:00 a.m.
Random packing of matroid bases.
Safwan Akkari*, Indiana UniversityPurdue University, Ft.\ Wayne
(88105127)

9:30 a.m.
Quaternary paving matroids.
Sanjay Rajpal*, Dartmouth College
(88105198)

10:00 a.m.
Recent progress on matroid reconstruction.
William P. Miller*, George Washington University
(88105144)

10:30 a.m.
Rigidity matroids.
Brigitte Servatius*, Worcester Polytechnic Institute
(88105187)

Saturday April 17, 1993, 8:30 a.m.10:40 a.m.
Session on Contributed Papers, I
Room 236, Locke Hall

8:30 a.m.
On ethnomathematics: An enquiry on comparative truth.
Danielle Mihram, University of California, Los Angeles
G. Arthur Mihram*, Princeton, New Jersey
(88103203)

8:45 a.m.
Infinite covering systems of congruences which don't exist.
Ethan Lewis*, University of Pennsylvania
(8811113)

9:00 a.m.
Resolving false computations in multiple item residue number systems.
John Sadowsky*, Johns Hopkins University
(8811174)

9:15 a.m.
Product formula for minimal polynomials.
JieTai Yu*, Cornell University
(8811206)

9:30 a.m.
The relationship of generalized subWronskians of phi:E^m right arrow E^n to linear dependence and curvature.
Kenneth Wolsson*, Fairleigh Dickinson University, Teaneck
(88115139)

9:45 a.m.
Simple noncommutative Jordan algebras satisfying ([x,y],y,y)=0.
R. D. Schafer*, Massachusetts Institute of Technology
(88117131)

10:00 a.m.
padic spherical distributions.
Jeffrey Hakim*, American University
(88122214)

10:15 a.m.
A nonmonotone coupling and a Poisson approximation.
Patrick D. Burghardt, University of Wisconsin, Madison
Anant P. Godbole*, Michigan Technological University
Amy B. Prengaman, Health Care Investment Analysts, Maryland
(8816080)

10:30 a.m.
Automata and response pattern of individuals.
Ponnammal Natarajan*, Anna University, India
(8819230)

Saturday April 17, 1993, 9:00 a.m.10:50 a.m.
Special Session on Ergodic Theory, Dynamical Systems and Applications, I
Room 3022, Downing Hall

9:00 a.m.
Restricted orbit equivalence for ergodic Z^dactions.
Janet Whalen Kammeyer*, United States Naval Academy
Daniel J. Rudolph, University of Maryland, College Park
(8812841)

9:30 a.m.
Rotation intervals for diffeomorphisms of the plane.
Kathleen Alligood*, George Mason University
(8815842)

10:00 a.m.
Quasiconformal extensions, Zygmund conformal structures and wandering domains.
Alec Norton*, University of Texas, Austin
Dennis Sullivan, Graduate School and University Center, City University of New York
(8815844)

10:30 a.m.
Aperiodic tiling and substitution dynamics.
Charles Radin*, University of Texas, Austin
(8815203)

Saturday April 17, 1993, 9:00 a.m.10:50 a.m.
Special Session on Low Dimensional Topology, I
Room 2114, Downing Hall

9:00 a.m.
Entropy invariants for knots.
Daniel S. Silver*, University of South Alabama
(8815766)

9:30 a.m.
Connected sums, Floer homology and spectral sequence.
Weiping Li*, Yale University
(8815714)

10:00 a.m.
Mapping class groups, quantum invariants and quadratic forms.
Gretchen Wright*, Columbia University
(8815767)

10:30 a.m.
Some mod 3 relations between Donaldson polynomial invariants.
Selman Akbulut*, Michigan State University
(88157208)

Saturday April 17, 1993, 9:30 a.m.10:50 a.m.
Special Session on History of Mathematics, I
Room 3116, Downing Hall

9:30 a.m.
Eighty years of Sommerfeld's radiation condition.
Steven H. Schot*, American University
(8810107)

10:00 a.m.
Euclid and his Victorian defender.
Thomas Drucker*, Modern Logic, Pennsylvania
(88101163)

10:30 a.m.
Root extraction in the American curriculum.
David L. Roberts*, Johns Hopkins University, Baltimore
(8810123)

Saturday April 17, 1993, 9:40 a.m.10:50 a.m.
Special Session on Mathematics of Twodimensional Quantum Field Theory, I
Room 316, Just Hall

9:40 a.m.
Fermionic sum representations for branching functions of affine Lie algebras.
Timothy R. Klassen, Rutgers University, Piscataway
Rinat Kedem, State University of New York, Stony Brook
Barry M. McCoy*, State University of New York, Stony Brook
Ezer Melzer, State University of New York, Stony Brook
(88181182)

10:20 a.m.
Characters, dilogarithm and TBA: The case of parafermion CFT.
Tomoki Nakanishi*, Harvard University
(88181180)

Saturday April 17, 1993, 11:00 a.m.11:50 a.m.
Invited Address
Graphs in representation theory.
Biology Greenhouse Auditorium, Just Hall
Fan R. K. Chung*, Bellcore, New Jersey
(88105155)

Saturday April 17, 1993, 1:30 p.m.2:20 p.m.
Invited Address

Saturday April 17, 1993, 2:40 p.m.4:00 p.m.
Special Session on Dilation and Interpolation: Operator Theoretic Methods, II
Room 224, Just Hall

2:40 p.m.
Interpolation of real rational matrix functions.
J. A. Ball, Virginia Polytechnic Institute and State University
I. Gohberg, Tel Aviv University, Israel
L. Rodman*, College of William and Mary
(88115140)

3:10 p.m.
Zeropole interpolation for matrix meromorphic functions on an algbraic curve with determinantal representation.
Joseph A. Ball*, Virginia Polytechnic Institute and State University
(88147159)

3:40 p.m.
Zeropole subspace interpolation and complex vector bundles.
Kevin Clancey*, University of Georgia
(88130128)

Saturday April 17, 1993, 2:40 p.m.5:30 p.m.
Special Session on Wavelets in Sampling Theory and Signal Processing, II
Room 1002, Downing Hall

2:40 p.m.
Waveletframes and nonparametric statistical estimation: Irregular samples and noises.
Christian Houdre*, Stanford University
(88162194)

3:10 p.m.
Timevarying orthogonal best bases.
Martin Vetterli*, Columbia University
Cormac Herley, Columbia University
Kannan Ramchandran, Columbia University
(88142213)

3:40 p.m.
Discrete spline filters for multiresolutions and wavelets of l_2.
Akram Aldroubi*, National Institute of Health, Maryland
Murray Eden, National Institute of Health, Maryland
Michael Unser, National Institute of Health, Maryland
(88142149)

4:10 p.m.
Reproducing kernal Hilbert spaces from sampling theorems.
M. Zuhair Nashed*, University of Delaware
Gilbert G. Walter, University of Wisconsin, Milwaukee
(88142189)

4:40 p.m.
Continuity of the joint spectral radius: Application to wavelets.
Christopher Heil*, Massachusetts Institute of Technology
(8813981)

5:10 p.m.
Wavelet transforms and spectral estimations.
Lonnie H. Hudgins*, Northrop Electronics Systems Division, California
(8819432)

Saturday April 17, 1993, 2:40 p.m.4:30 p.m.
Special Session on Graph Theory, II
Room 2006, Downing Hall

2:40 p.m.
How the rank of a graph is effected by vertex/edge addition or deletion.
Jean Bevis, Georgia State University
Kevin Blount, Georgia State University
George Davis, Georgia State University
Gayla Domke*, Georgia State University
Valeria Miller, Georgia State University
(88105171)

3:10 p.m.
The latest on sphereofinfluence graphs.
Marc J. Lipman*, Office of Naval Research, Virginia
(88105205)

3:40 p.m.
On Rado numbers.
Stefan A. Burr, City College, City University of New York
S. P. Loo*, West Virginia University
(88105132)

4:10 p.m.
Either a graph or its complement contains a spanning broom.
Stefan A. Burr*, City College, City University of New York
(88105218)

Saturday April 17, 1993, 2:40 p.m.4:00 p.m.
Special Session on Undergraduate Research in Applied Mathematics, II
Room 202, Locke Hall

2:40 p.m.
The inverse problem for arbitrary networks.
Kevin Rosema*, University of Washington
(8819486)

3:10 p.m.
Flow dependent networks.
Christopher L. Cox*, Northwestern University
(88194110)

3:40 p.m.
Computing Grobner bases on the MasPar MP1.
Thomas Vincent Berry*, WinstonSalem, North Carolina
(88168102)

Saturday April 17, 1993, 2:40 p.m.4:30 p.m.
Special Session on Undergraduate Research in Pure Mathematics, II
Room 200, Locke Hall

2:40 p.m.
Algebraic and topologic structure results for the space of infinite matrices.
Mitch Anderson, University of Hawaii, Hilo
Alistair K. Bostrom*, University of Hawaii, Hilo
(8811548)

3:10 p.m.
Permutation invariant norms on R^n.
Paras P. Mehta*, Harvard University
(8811592)

3:40 p.m.
Poisson approximation and the area of a random polygon.
Kevin Wald*, New York, New York
(88160106)

4:10 p.m.
A counterexample to the conjecture on the coefficients of normalized univalent functions which map the unit disk into itself.
Daniel Lewis Dreibelbis*, University of Virginia
(88130107)

Saturday April 17, 1993, 2:40 p.m.5:00 p.m.
Special Session on Ergodic Theory, Dynamical Systems and Applications, II
Room 3022, Downing Hall

2:40 p.m.
Hidden linearity in relaxation oscillations.
Mark Levi*, Rensselaer Polytechnic Institute
(88158122)

3:10 p.m.
Natural factors of measurepreserving maps.
Andres del Junco*, University of Toronto
Mariusz Lemanczyk, Nicholas Copernicus University, Poland
Mieczyslaw Mentzen, Nicholas Copernicus University, Poland
(88128153)

3:40 p.m.
Approximating the invariant measures of finite dimensional maps.
Fern Hunt*, National Institute of Standards & Technology, Maryland
(8815808)

4:10 p.m.
Wavelet projections of an evolution equation.
Juan Elezgaray, CNRS, France
Gal Berkooz, Cornell University
Philip Holmes*, Cornell University
(8815836)

4:40 p.m.
IP cluster points and recurrent sequences.
Kamel N. Haddad*, California State University, Bakersfield
Aimee Johnson, Tufts University
(88154114)

Saturday April 17, 1993, 2:40 p.m.5:10 p.m.
Special Session on Nonlinear Elliptic Problems in Geometry and Physics, II
Room 320, Just Hall

2:40 p.m.
The selfdual cosmological equations.
Yisong Yang*, Carnegie Mellon University
(8813525)

3:20 p.m.
Statistical equilibrium solutions for the Euler equations.
Nathaniel Whitaker*, University of Massachusetts, Amherst
Bruce Turkington, University of Massachusetts, Amherst
(88135116)

4:00 p.m.
On the positive solutions of Matukuma equation.
Yi Li*, University of Rochester
(8813452)

4:40 p.m.
Local behavior and classification of positive solutions of semilinear elliptic equations with supercritical Sobolev growth.
Henghui Zou*, Northwestern University
(8813576)

Saturday April 17, 1993, 2:40 p.m.5:00 p.m.
Special Session on Geometric Methods in Combinatorics, II
Room 2002, Downing Hall

2:40 p.m.
Connnecting characteristic and chromatic polynomials.
Andreas Blass, University of Michigan, Ann Arbor
Bruce E. Sagan*, Michigan State University
(88152136)

3:10 p.m.
Signcoherent identities for characteristic polynomials of matroids.
Joseph P. S. Kung*, University of North Texas
(8810549)

3:40 p.m.
Greedoids and the Tutte polynomial.
Gary Gordon*, Lafayette College
(88105147)

4:10 p.m.
An algorithmic view of Crapo's BETAinvariant.
Lorenzo Traldi*, Lafayette College
(88105126)

4:40 p.m.
Ramsey numbers for matroids.
Talmage Reid*, University of Mississippi
(8810501)

Saturday April 17, 1993, 2:40 p.m.5:00 p.m.
Special Session on Low Dimensional Topology, II
Room 2114, Downing Hall

2:40 p.m.
Infinite framed link diagrams of open 3manifolds.
Jim Hoste*, Pitzer College
(88157195)

3:10 p.m.
Dehn surgery on knots in the 3sphere.
Cameron Gordon*, University of Texas, Austin
John Luecke, University of Texas, Austin
(88157210)

3:40 p.m.
Tangle sums producing simple tangles.
YingQing Wu*, University of Texas, Austin
(8815755)

4:10 p.m.
Spectral flow and analyticity for operators on manifolds with boundary.
Eric P. Klassen*, Florida State University
Paul A. Kirk, Indiana University, Bloomington
(88157217)

4:40 p.m.
Casson's invariant for closed 3manifolds with even first Betti number.
Cynthia L. Curtis*, Princeton University
(88157196)

Saturday April 17, 1993, 2:45 p.m.5:35 p.m.
Special Session on Mathematics of Twodimensional Quantum Field Theory, II
Room 316, Just Hall

2:45 p.m.
On the BRSTalgebraic structure in string theory.
Bong Lian*, University of Toronto
Gregg Zuckerman, Yale University
(88117177)

3:25 p.m.
BatalinVilkovisky algebras in quantum field theory.
Albert S. Schwarz*, University of California, Davis
(88181183)

4:25 p.m.
BatalinVilkovisky algebras and twodimensional topological field theory.
Ezra Getzler*, Massachusetts Institute of Technology
(88155174)

5:05 p.m.
The Macdonald constant term conjecture.
Ivan Cherednik*, University of North Carolina, Chapel Hill
(88117173)

Saturday April 17, 1993, 2:45 p.m.4:55 p.m.
Special Session on History of Mathematics, II
Room 3116, Downing Hall

2:45 p.m.
The volume of a sphere in ancient China.
Frank Swetz*, Pennsylvania State University
(88101118)

3:25 p.m.
The algebra of logic: What Boole really started.
Judy Green*, Marymount University
(88101157)

4:05 p.m.
Leonhard Euler: The Berlin yearsA preliminary study.
Ronald Calinger*, Catholic University of America
(88101143)

4:35 p.m.
The American Mathematical Endeavor: 17761876.
Karen V. H. Parshall*, University of Virginia
(88101125)

Saturday April 17, 1993, 2:45 p.m.5:10 p.m.
Session on Contributed Papers, II
Room 236, Locke Hall

2:45 p.m.
Inequalities concerning the L^p norm of a polynomial and its derivative.
Robert B. Gardner, Louisiana State University, Shreveport
Narendra K. Govil*, Auburn University, Auburn
(88130150)

3:00 p.m.
Sampling vs. interpolation for entire functions.
Carl Prather*, Virginia Polytechnic Institute and State University
(88130170)

3:15 p.m.
Factorization of A(z) + B(w) under composition.
Lee A. Rubel, University of Illinois, UrbanaChampaign
ChungChun Yang*, Hong Kong University of Science & Technology, Hong Kong
(8813204)

3:30 p.m.
Metrics for singular analytic spaces.
C. G. Grant*, United States Naval Academy
P. Milman, University of Toronto
(88132151)

3:45 p.m.
Precauchy spaces.
D. C. Kent*, Washington State University
Nandita Rath, Washington State University
(88154123)

4:00 p.m.
Metrizability in isocompact wM spaces.
G. R. Hiremath*, Talladega College
(88154202)

4:15 p.m.
The topology of quasibundles.
H. MovahediLankarani*, Pennsylvania State University, Altoona
R. Wells, Pennsylvania State University, University Park
(88155130)

4:30 p.m.
Flat 3manifolds appear as cusps of hyperbolic 4manifolds.
Barbara E. Nimershiem*, Franklin & Marshall College
(8815775)

4:45 p.m.
The Ore condition for polynomial rings.
Ferrran Ced\'o, University Autonoma de Barcelona, Spain
Delors Herbera*, Rutgers University, New Brunswick
(88116221)

5:00 p.m.
Maximal module theorems.
Carl Faith*, Rutgers University, New Brunswick
(88116222)

Saturday April 17, 1993, 3:00 p.m.5:20 p.m.
Special Session on Pure and Applied Recursion Theory, II
Room 2104, Downing Hall

3:00 p.m.
Game extraction of programs from specifications.
Anil Nerode*, Cornell University
Jeffrey B. Remmel, Cornell University
Alex Yakhnis, Cornell University
(8810373)

3:30 p.m.
Mixed systems.
C. J. Ash, Monash University, Australia
J. F. Knight*, University of Notre Dame
(8810319)

4:00 p.m.
The structural approach to the P vs. NP problem.
Stuart A. Kurtz*, University of Chicago
(8810372)

4:30 p.m.
Priority arguments using iterated trees of strategies, II.
Steffen Lempp, University of Wisconsin, Madison
Manuel Lerman*, University of Connecticut, Storrs
(8810340)

5:00 p.m.
Priority arguments using iterated trees of strategies.
Steffen Lempp*, University of Wisconsin, Madison
Manuel Lerman, University of Connecticut, Storrs
(8810339)
Inquiries: meet@ams.org