AMS Sectional Meeting Program by Day
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1999 Spring Central Section Meeting
Urbana, IL, March 1821, 1999
Meeting #941
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Saturday March 20, 1999

Saturday March 20, 1999, 8:00 a.m.2:30 p.m.
Meeting Registration
Second Floor, Altgeld Hall

Saturday March 20, 1999, 8:00 a.m.2:30 p.m.
Exhibit and Book Sale
Library, Altgeld Hall

Saturday March 20, 1999, 8:30 a.m.10:55 a.m.
Special Session on Nonstandard Analysis, III
Room 269, Everitt Laboratory
Organizers:
C. Ward Henson, University of IllinoisUrbana henson@math.uiuc.edu
Peter Loeb, University of IllinoisUrbana loeb@math.uiuc.edu

8:30 a.m.
Nonstandard methods in ominimal structures.
H. Jerome Keisler*, University of Wisconsin
(94103321)

9:00 a.m.
Asymptotic Numbers, Asymptotic Functions and a Solution of the Problem of Multiplication of Schwartz Distributions.
Todor D. Todorov*, Cal Poly. SLO
(9414674)

9:30 a.m.
Hahn Field Representation of A. Robinson's Asymptotic Numbers.
Robert S. Wolf*, Cal Poly State University
Todor D. Todorov, Cal Poly State University
(9410342)

10:30 a.m.
NonCooperative Games on Hyperfinite Loeb Spaces.
Mohammed A Khan*, The Johns Hopkins University
Yeneng Sun, The National University of Singapore
(94190188)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Elementary and Analytic Number Theory, III
Room 245, Altgeld Hall
Organizers:
Harold G. Diamond, University of Illinois, Urbana diamond@math.uiuc.edu
A. J. Hildebrand, University of Illinois, Urbana hildebr@math.uiuc.edu

8:30 a.m.
On an Irreducibility Theorem of A.~Schinzel Associated with Coverings of the Integers .
Michael Filaseta*, University of South Carolina
Kevin Ford, University of South Carolina
Sergei Konyagin, Moscow State University
(9411187)

9:00 a.m.
Congruence properties of the Stern sequence.
Bruce Reznick*, University of Illinois at UrbanaChampaign
(94111279)

9:30 a.m.
Wythoff pairs, semigroups, and recurrences.
Kenneth Stolarsky*, University of Illinois at UrbanaChampaign
(9411190)

10:00 a.m.
Expressing a positive integer as the sum of a given number of odd squares.
Paul T. Bateman*, University of Illinois at UrbanaChampaign
(9411180)

10:30 a.m.
The Distribution of Generalized qAdditive Functions Modulo 1.
Abigail Hoit*, University of Illinois at UrbanaChampaign
(94111341)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Diophantine Equations, Inequalities and Related Arithmetic Problems, III
Room 143, Altgeld Hall
Organizers:
Michael Bennett, University of Illinois, Urbana mabennett@math.uiuc.edu
Trevor Wooley, University of Michigan wooley@math.lsa.umich.edu

8:30 a.m.
Systems of Quadratic Forms defined over the $p$adic Numbers.
David B Leep*, University of Kentucky
(94111284)

9:00 a.m.
Artin's Conjecture for Forms of Degree 7 and 11.
Michael P Knapp*, University of Michigan
(9411139)

9:30 a.m.
Rational Lines on Hypersurfaces.
Scott T. Parsell*, University of Michigan
(9411140)

10:00 a.m.
Values of Positive Definite Quadratic Forms.
D. Eric Freeman*, University of Michigan
(9411123)

10:30 a.m.
Recursion, Cubic Irrationals and Pelltype Equations.
Karl Dilcher*, Dalhousie University
(94111197)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Integrable Equations, III
Room 147, Altgeld Hall
Organizers:
Igor Krichever, Columbia University krichev@cpw.math.columbia.edu
Kirill Vaninsky, Kansas State University vaninsky@math.ksu.edu

8:30 a.m.
Knot types and spectra for multiphase solutions of vortex filament flow.
Thomas A Ivey*, Ball State University
Annalisa Calini, College of Charleston
(94135195)

9:00 a.m.
The determiant represesentaions for correlation functions of quantum completely integrable models
Vladimir Korepin*, SUNY Stony Brook
(9413569)

9:30 a.m.
Quantum Field Theory on Algebraic Curves.
Leon A Takhtajan*, SUNY at Stony Brook
(9418118)

10:00 a.m.
symplectic staructures for the cubic Schrodinger equation in periodic and scattering case.
Kirill L. Vaninsky*, Kansas State
(94135342)

10:30 a.m.
Integration of the GaussCodazzi equations.
Vladimir E. Zakharov*, University of Arizona
(94151298)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Operator Spaces and Their Applications, III
Room 165, Everitt Laboratory
Organizers:
Gilles Pisier, Texas A & M gip@ccr.jussieu.fr
ZhongJin Ruan, University of IllinoisUrbana ruan@math.uiuc.edu

8:30 a.m.
Quasidiagonality and Ktheory.
Marius Dadarlat*, Purdue University
(9414666)

9:00 a.m.
Ktheory of certain C*algebras associated with free products of cyclic groups.
Shuang Zhang*, University of Cincinnati
Wojciech Szymanski, The University of Newcastle
(94146352)

9:30 a.m.
Pure states on $\mathcal{O}_{d}$.
Ola Bratteli, University of Oslo
Palle E.T. Jorgensen*, The University of Iowa
Akitaka Kishimoto, University of Hokkaido
Reinhard F. Werner, Universit\"{a}t Braunschweig
(94146156)

10:00 a.m.
Some minimization problems for the free analogue of the Fisher information.
Nica M. Alexandru*, University of Waterloo
Dimitri Shlyakhtenko, UCLA
Speicher Roland, University of Heidelberg
(94146204)

10:30 a.m.
Unbounded operators affiliated to some II1 factors.
Florin G Radulescu*, Univ of Iowa
(94146346)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial Designs, III
Room 241, Altgeld Hall
Organizers:
Ilene H. Morgan, University of MissouriRolla imorgan@umr.edu
Walter D. Wallis, Southern Illinois UniversityCarbondale wdwallis@math.siu.edu

8:30 a.m.
On the construction of compound orthogonal arrays.
Samad Hedayat*, University of Illinois at Chicago
John Stufken, Iowa State University
(94105162)

9:30 a.m.
Constructing Starters with Holes.
Rolf Rees*, Memorial Univ. of Newfoundland
Nabil Shalaby, Memorial Univ. of Newfoundland
(94105291)

10:00 a.m.
On algebraic designs in association schemes.
Sung Y Song*, Iowa State University
(94105175)

10:30 a.m.
Constructing orthomorphisms of $GF(3)^+\times GF(q)^+$.
Anthony B Evans*, Wright State University
(94105215)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 345, Altgeld Hall
Organizers:
Joseph Brennan, North Dakota State University brennan@plains.nodak.edu
Sankar Dutta, University of Illinois, Urbana dutta@math.uiuc.edu
Robert Fossum, University of Illinois, Urbana rfossum@uiuc.edu
Phillip Griffith, University of Illinois, Urbana griffith@math.uiuc.edu

8:30 a.m.
Core of ideals and modules.
Alberto Corso*, Michigan State University
(94113324)

9:00 a.m.
Intersection multiplicities over Gorenstein rings.
Claudia M Miller*, University of Michigan
Anurag K Singh, University of IllinoisUrbana
(94113293)

9:30 a.m.
The Serre positivity conjecture and associated graded rings.
Paul C Roberts*, University of Utah
(94113235)

10:00 a.m.
Extremal Betti Numbers and Applications to monomial ideals.
Dave Bayer, Barnard College, Columbia University
Hara Charalambous*, University at Albany, SUNY
Sorin Popescu, Columbia University
(94113351)

10:30 a.m.
Toric Hilbert Schemes.
Irena V. Peeva*, Cornell University
Mike Stillman, Cornell University
(94113310)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Wavelet Analysis and Multiresolution Methods, III
Room 151, Everitt Laboratory
Organizers:
TianXiao He, Illinois Wesleyan University the@sun.iwu.edu

8:30 a.m.
Squeezable orthogonal bases.
George C Donovan, Princeton University
Jeffrey S Geronimo, Georgia Institute of Technology,
Douglas P Hardin*, Vanderbilt University
(94141349)

9:00 a.m.
A robust construction of wavelets.
Thomas A Hogan*, Vanderbilt University
Douglas P Hardin, Vanderbilt University
(94139354)

9:30 a.m.
Timedomain methods for nonhomogeneous refinement.
Thomas B Dinsenbacher*, Vanderbilt University
Douglas P Hardin, Vanderbilt University
(94139257)

10:00 a.m.
Refinement Equations, Joint Spectral Radius and Wavelets.
DingXuan Zhou*, City University of Hong Kong
(94142111)

10:30 a.m.
A geometric approach to ergodic nonhomogeneous Markov chains.
Jianhong Shen*, Department of Math, UCLA
(9411554)

Saturday March 20, 1999, 8:45 a.m.10:50 a.m.
Special Session on Optimization Problems in Geometry, I
Room 447, Altgeld Hall
Organizers:
Robert Kusner, University of Massachusetts, Amherst kusner@math.umass.edu
John M. Sullivan, University of Illinois, Urbana jms@math.uiuc.edu

8:45 a.m.
A general variational method for crystalline triple junction motion.
Jean E. Taylor*, Rutgers University
(9415375)

9:30 a.m.
Discrete Minimal Surfaces on NonConforming Triangulations.
Konrad Polthier*, Technical University Berlin
(94153322)

10:15 a.m.
Conjectured minimal surfaces derived from Hamiltonian polyhedra in the cubic lattice.
Chaim GoodmanStrauss*, Univ. Arkansas
(94153169)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Recent Progress in Elementary Geometry, IV
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

9:00 a.m.
Enumerative Triangle Geometry.
Clark H Kimberling*, University of Evansville
(9415172)

10:00 a.m.
On the AjimaMalfatti problem.
Peter Yff*, American University of Beirut
(94151208)

10:30 a.m.
Remarks on Triangles Inscribed in a Cubic Curve.
Lawrence S. Evans*, none
(94151118)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Galois Representations, III
Room 141, Altgeld Hall
Organizers:
Nigel Boston, University of IllinoisUrbana boston@math.uiuc.edu
Michael Larsen, University of Missouri larsen@math.missouri.edu

8:30 a.m.
Discussion

9:00 a.m.
Twisted Galois Representations and Elliptic Curves .
Brian Conrad*, Harvard University
Siman Wong, Brown University
(94111244)

9:45 a.m.
Lifts of mod $p$ Galois representations with large image.
Yihsiang Liow*, University of Arizona
(94111300)

10:15 a.m.
Iwasawa Invariants for Elliptic Curves.
Ralph Greenberg*, University of Washington
(94111146)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Martingales and Analysis, III
Room 161, Everitt Laboratory
Organizers:
Joseph Max Rosenblatt, University of IllinoisUrbana jrsnbltt@math.uiuc.edu
Renming Song, University of IllinoisUrbana rsong@math.uiuc.edu
Richard B. Sowers, University of IllinoisUrbana rsowers@math.uiuc.edu

9:00 a.m.
Wavelet theory for Probabilists.
Richard Gundy*, Rutgers University
(94160248)

9:30 a.m.
The B. Davis' Inequality for Orthogonal Martingales Under Differential Subordination.
Gang Wang*, DePaul University
Rodrigo Banuelos, Purdue University
(94160110)

10:00 a.m.
Dispersion under stochastic flows.
Michael C Cranston*, University of Rochester
Michael Scheutzow, Technische Universtiat
David Steinsalz, University of California
(94160106)

10:30 a.m.
From Boundary Crossing of Nonrandom Functions to First Passage Times of Random Processes .
Victor H de la Pena*, Columbia University
Ming Yang, Columbia University
(94160115)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Graph Theory, III
Room 243, Altgeld Hall
Organizers:
Douglas B. West, University of Illinois, Urbana west@math.uiuc.edu

9:00 a.m.
A distance property of $2m$ points.
Andre E Kezdy*, University of Louisville
Mark J. Nielsen, University of Idaho
Hunter S. Snevily, University of Idaho
(94105226)

9:30 a.m.
Strengthening DistanceHereditary Graphs.
Terry A. McKee*, Wright State University
(9410510)

10:00 a.m.
Generalizing the Ramsey Problem through Diameter.
Dhruv Mubayi*, Georgia Tech
(94105125)

10:30 a.m.
EdgeMaximal TriangleFree PointDetermining Graphs.
Richard H. Schelp*, University of Memphis
Alex Scott, University College London
(94105105)

Saturday March 20, 1999, 9:00 a.m.10:45 a.m.
Special Session on Symplectic Geometry and Topology, II
Room 145, Altgeld Hall
Organizers:
Eugene M. Lerman, University of IllinoisUrbana lerman@math.uiuc.edu
Susan Tolman, University of IllinoisUrbana stolman@math.uiuc.edu

9:00 a.m.
Contact Homologies for Legendrian Tangles.
Lisa M Traynor*, Bryn Mawr College
(94158236)

10:00 a.m.
Blowing up on symplectic orbifolds.
Leonor Godinho*, SUNY at Stony Brook
(94151296)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Holomorphic Vector Bundles and Complex Geometry, III
Room 343, Altgeld Hall
Organizers:
Maarten Bergvelt, University of IllinoisUrbana bergv@math.uiuc.edu
Steven Bradlow, University of IllinoisUrbana bradlow@vortex.math.uiuc.edu
John P. D'Angelo, University of IllinoisUrbana jpda@math.uiuc.edu
Lawrence Ein, University of IllinoisChicago

9:00 a.m.
BrillNoether theory for Holomorphic Vector Bundles on Riemann Surfaces.
Ivona Grzegorczyk*, University of Massachussetts Dartmouth
(94114270)

9:30 a.m.
BrillNoether reflections for moduli spaces of sheaves on K3 surfaces.
Eyal Markman*, University of Massachusetts
(94114302)

10:00 a.m.
Some new analysis on the $K$trivial extremal contractions of smooth threefolds: Preliminary report.
Kenji Matsuki*, Purdue University
Csilla Tamas, Purdue University
(94114163)

10:30 a.m.
Quotient and Moduli in Differential and Complex geometry.
Yi Hu*, UT
(94114333)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Lowdimensional Topology, III
Room 341, Altgeld Hall
Organizers:
Mark Brittenham, University of North Texas britten@unt.edu
Charles Delman, Eastern Illinois University cfcid@eiu.edu
Rachel Roberts, Washington University roberts@sulu.wustl.edu

9:00 a.m.
The universal circle for foliations and transverse laminations.
Sergio R Fenley*, Washington University and Princeton University
(94157230)

10:00 a.m.
Palmeira's Theorem for Laminations.
David Gabai, Caltech
William H Kazez*, UGA
(94157317)

10:30 a.m.
Alexander and Thurston norms of fibered 3manifolds.
Nathan M. Dunfield*, University of Chicago
(94157134)

Saturday March 20, 1999, 9:30 a.m.10:55 a.m.
Session on Number Theory, II
Room 443, Altgeld Hall

9:30 a.m.
Multiplier systems of complex weight on the Hecke groups.
Paul C Pasles*, Saint Joseph's University
(9411127)

9:45 a.m.
A transformation on the space of rational functions.
Victor H Moll*, Tulane University
George Boros, University of New Orleans
Michael Joyce, Tulane University
(9411193)

10:15 a.m.
On Modified rRegular Partitions.
Neville Robbins*, San Francisco State Univ.
(94111138)

10:30 a.m.
Continued Fraction expansions of Pell Polynomials.
James G Mc Laughlin*, University of Illinois at Champaign
(94111334)

10:45 a.m.
Constructing regular polygons with your favorite number of sides.
Florian Luca*, Bielefeld University
(9411112)

Saturday March 20, 1999, 11:00 a.m.11:50 a.m.
Invited Address
Automorphic descent from GL(N) to classical groups
Room 314, Altgeld Hall
Stephen Rallis*, Ohio State University
(9411104)

Saturday March 20, 1999, 1:30 p.m.2:20 p.m.
Invited Address
Affine Grassmannians and the Bernstein center
Room 314, Altgeld Hall
Alexander Beilinson*, University of Chicago

Saturday March 20, 1999, 2:30 p.m.6:20 p.m.
Special Session on Elementary and Analytic Number Theory, IV
Room 245, Altgeld Hall
Organizers:
Harold G. Diamond, University of Illinois, Urbana diamond@math.uiuc.edu
A. J. Hildebrand, University of Illinois, Urbana hildebr@math.uiuc.edu

2:30 p.m.
Applications of number theory to cyclic codes and difference sets.
Ronald J. Evans*, UCSD
Henk Hollman, Philips Research Labs, Eindhoven
Christian Krattenthaler, University of Vienna
Qing Xiang, University of Delaware
(94111202)

3:00 p.m.
New results in comparative prime number theory.
Kevin Ford*, University of South Carolina
Richard H. Hudson, University of South Carolina
(94111122)

3:30 p.m.
Distribution of the RSA Generator.
John B Friedlander*, Univ. of Toronto
Daniel Lieman, Univ. of Missouri
Igor Shparlinski, Macquarie University
(94111301)

4:00 p.m.
The cubic moment of central values of automorphic Lfunctions.
Brian Conrey*, American Institute of Mathematics
Henryk Iwaniec, Rutgers University
(94111231)

4:30 p.m.
The geometry of badly approximable vectors.
Doug Hensley*, Texas A&M University
(94111223)

5:00 p.m.
On sums of four smooth squares.
Gergely Harcos*, Princeton University
(94111332)

5:30 p.m.
Sums of Nonnegative multiplicative functions over $y$smooth numbers.
Joung M Song*, University of Illinois at UrbanaChampaign
(9411173)

6:00 p.m.
Inverse problems for partition functions.
Yifan Yang*, University of Illinois
(94111233)

Saturday March 20, 1999, 2:30 p.m.4:50 p.m.
Special Session on Diophantine Equations, Inequalities and Related Arithmetic Problems, IV
Room 143, Altgeld Hall
Organizers:
Michael Bennett, University of Illinois, Urbana mabennett@math.uiuc.edu
Trevor Wooley, University of Michigan wooley@math.lsa.umich.edu

2:30 p.m.
Integer Apollonian Circle Packings.
Jeffrey C Lagarias*, A T & T Labs
(94111297)

3:00 p.m.
Higherorder Carmichael numbers.
Everett W. Howe*, Center for Communications Research, La Jolla
(94111192)

3:30 p.m.
A Diophantine problem arising in the use of Galois Descent .
Kristin E. Lauter*, University of Michigan
(94111201)

4:00 p.m.
Exponential sums with applications to codes over rings.
Judy L Walker*, University of Nebraska
(94111227)

4:30 p.m.
Schmidt's matrix normality conjecture.
Gavin Brown, Sydney University
William Moran, Flinders University
Andrew D Pollington*, BYU
(94111288)

Saturday March 20, 1999, 3:00 p.m.5:20 p.m.
Special Session on Recent Progress in Elementary Geometry, V
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

3:00 p.m.
The geometry of the cardiac cycle.
Dennis F. Cudia*, none
(9415243)

3:30 p.m.
The solution to the isoperimetric problem in 3dimensional Minkowski space.
Anthony C. Thompson*, Dalhousie University
(9415249)

4:00 p.m.
The smallest convex cover for triangles of perimeter two.
Zoltan F\"uredi, University of Illinois at UrbanaChampaign
John E. Wetzel*, University of Illinois at UrbanaChampaign
(94152207)

4:30 p.m.
Planar Packings and Mappings related to Minmax Problems.
SeonHong Kim*, University of Illinois
(94152217)

5:00 p.m.
Packing problems with congruent polygons.
Heiko Harborth*, TU Braunschweig, Germany
(94152211)

Saturday March 20, 1999, 3:00 p.m.5:55 p.m.
Special Session on Nonstandard Analysis, IV
Room 269, Everitt Laboratory
Organizers:
C. Ward Henson, University of IllinoisUrbana henson@math.uiuc.edu
Peter Loeb, University of IllinoisUrbana loeb@math.uiuc.edu

3:00 p.m.
Foundations of Infinitesimal Calculus.
Keith D Stroyan*, U of Iowa
(94199178)

3:30 p.m.
Verification of Numerical Software using Nonstandard Methods
Ian Sutherland, Bell Laboratories
Curtis Tuckey*, Motorola
(94168359)

4:00 p.m.
Nonstandard topologies with standard bases.
Nader Vakil*, Western Illinois University
(9414624)

4:30 p.m.
Some results in nonstandard topology .
Hermann Render*, University of Duisburg
(94154113)

5:00 p.m.
Combinatorial Formulations of Strong Saturation Principles.
Mauro DiNasso, University of Pisa
Karel Hrbacek*, City College of New York
(94103177)

5:30 p.m.
Nonstandard applications to problems from combinatorial number theory: a survey and update.
Steven C. Leth*, University of Northern Colorado
(94103327)

Saturday March 20, 1999, 3:00 p.m.5:50 p.m.
Special Session on Galois Representations, IV
Room 141, Altgeld Hall
Organizers:
Nigel Boston, University of IllinoisUrbana boston@math.uiuc.edu
Michael Larsen, University of Missouri larsen@math.missouri.edu

3:00 p.m.
Automorphic Induction and Leopoldt type Conjectures for GL(n).
Haruzo Hida*, UCLA
(94111145)

3:45 p.m.
On padic Galois representations associated to automorphic forms and applications.
Eric JP Urban*, UCLA
(94111261)

4:30 p.m.
Even Galois representations and group cohomology.
Avner D Ash*, Ohio State Univ.
(9411167)

5:15 p.m.
The Monodromy Pairing .
Robert F Coleman*, University of California
(94114205)

Saturday March 20, 1999, 3:00 p.m.4:50 p.m.
Special Session on Martingales and Analysis, IV
Room 161, Everitt Laboratory
Organizers:
Joseph Max Rosenblatt, University of IllinoisUrbana jrsnbltt@math.uiuc.edu
Renming Song, University of IllinoisUrbana rsong@math.uiuc.edu
Richard B. Sowers, University of IllinoisUrbana rsowers@math.uiuc.edu

3:00 p.m.
Sharp estimates for the spectral gap of biconvex domains Sharp estimates for the spectral gap of biconvex domains Sharp estimates for the spectral gap of doubly symmetric convex domains .
Rodrigo Banuelos, Purdue University
Burgess Davis*, Purdue University
(94100123)

3:30 p.m.
Local time flow related to skew Brownian motion.
Krzysztof Burdzy, University of Washington
ZhenQing Chen*, University of Washington
(94160107)

4:00 p.m.
Longtime Asymptotics of the stochastic parallel transport on hyperbolic space.
Robert O Bauer*, Georgia Institute of Technology
(94160131)

4:30 p.m.
Oscillation inequalities for singular integrals.
James T. Campbell, University of Memphis
Roger L. Jones*, DePaul University
Karin Reinhold, University at Albany
M\'at\'e Wierdl, University of Memphis
(9412665)

Saturday March 20, 1999, 3:00 p.m.5:50 p.m.
Special Session on Graph Theory, IV
Room 243, Altgeld Hall
Organizers:
Douglas B. West, University of Illinois, Urbana west@math.uiuc.edu

3:00 p.m.
Game Coloring Number .
H. A. Kierstead*, Arizona State University
(94105262)

3:30 p.m.
Dimension, Graph and Hypergraph Coloring.
William T. Trotter*, Arizona State University
Stefan Felsner, Freie Universit\"{a}t Berlin
(94105212)

4:00 p.m.
Testing Bipartiteness Efficiently.
Noga Alon, Tel Aviv University
Michael Krivelevich*, DIMACS Center, Rutgers University
(94105185)

4:30 p.m.
On the power of LBFS.
Derek G Corneil*, University of Toronto
(94105103)

5:00 p.m.
Improved Algorithms for Weakly Triangulated Graphs.
Ryan B Hayward, University of Lethbridge
R Sritharan, Indiana State University
Jeremy P. Spinrad*, Vanderbilt University
(94105132)

5:30 p.m.
Low Dilation embeddings of grids into hypercubes.
Zevi Miller*, Miami University
Dan Pritikin, Miami
(94105318)

Saturday March 20, 1999, 3:00 p.m.5:15 p.m.
Special Session on Algebraic KTheory (and the 5th Annual Great Lakes KTheory Conference), I
Room 347, Altgeld Hall
Organizers:
Daniel Grayson, University of IllinoisUrbana dan@math.uiuc.edu
Randy McCarthy, University of IllinoisUrbana randy@math.uiuc.edu

3:00 p.m.
$K(K)$.
Henri Gillet*, Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago
(94119228)

4:30 p.m.
Ktheory and geometric Galois representations.
Wieslawa Niziol*, University of Utah
(94119313)

Saturday March 20, 1999, 3:00 p.m.5:20 p.m.
Special Session on Operator Spaces and Their Applications, IV
Room 165, Everitt Laboratory
Organizers:
Gilles Pisier, Texas A & M gip@ccr.jussieu.fr
ZhongJin Ruan, University of IllinoisUrbana ruan@math.uiuc.edu

3:00 p.m.
Some New Properties of Injective Envelopes.
Vern I Paulsen*, University of Houston
(94147278)

4:00 p.m.
Higher Order Hankel Forms, Factorization and Derivations.
William Cohn, Wayne State University
Sarah Ferguson*, Wayne State University
Richard Rochberg, Washington University
(94147224)

4:30 p.m.
When do the norm and the cbnorm of elementary operators coincide?
Robert J Archbold, University of Aberdeen
Martin Mathieu*, The Queen's University of Belfast
Douglas W.B. Somerset, University of Aberdeen
(9414622)

5:00 p.m.
Decomposition properties and an invariant for the free group *algebra.
Marius B. Stefan*, University of Iowa
(94146335)

Saturday March 20, 1999, 3:00 p.m.4:45 p.m.
Special Session on Symplectic Geometry and Topology, III
Room 145, Altgeld Hall
Organizers:
Eugene M. Lerman, University of IllinoisUrbana lerman@math.uiuc.edu
Susan Tolman, University of IllinoisUrbana stolman@math.uiuc.edu

3:00 p.m.
Gromov Invariants of $S^2$ bundles over 4manifolds.
Haydee Herrera*, SUNY at Stony Brook
(94153130)

4:00 p.m.
Cohomological splitting of symplectic fibrations.
Fran\c{c}ois Lalonde*, Universite du Quebec a Montreal
(94153328)

Saturday March 20, 1999, 3:00 p.m.5:50 p.m.
Special Session on Holomorphic Vector Bundles and Complex Geometry, IV
Room 343, Altgeld Hall
Organizers:
Maarten Bergvelt, University of IllinoisUrbana bergv@math.uiuc.edu
Steven Bradlow, University of IllinoisUrbana bradlow@vortex.math.uiuc.edu
John P. D'Angelo, University of IllinoisUrbana jpda@math.uiuc.edu
Lawrence Ein, University of IllinoisChicago

3:00 p.m.
Moduli of Sheaves on Surfaces and Action of the Oscillator Algebra.
Vladimir Baranovsky*, University of Chicago
(94114158)

3:30 p.m.
Global Quantum Cohomology of the Complex Projective Plane.
Jan Segert*, University of Missouri
(94153173)

4:00 p.m.
The Verlinde formula for moduli spaces of parabolic bundles.
Lisa C. Jeffrey*, University of Toronto
(94158179)

4:30 p.m.
Cohomology of line bundles over the moduli space of Gbundles over a smooth curve .
Constantin Teleman*, Stanford University
(94114305)

5:00 p.m.
Gbundles on Abelian surfaces, hyperkahler manifolds, and stringy Hodge numbers.
Jim A Bryan*, Tulane University
Ron Donagi, University of Pennsylvania
Conan Leung, University of Minnesota
(94114247)

5:30 p.m.
PU(2) monopoles and a conjecture of Moore, Marino, and Peradze.
Paul M. N. Feehan*, Institute for Advanced Study
Peter B Kronheimer, Harvard University
Thomas G. Leness, Florida International University
Tomasz S. Mrowka, Massachusetts Institute of Technology
(94158267)

Saturday March 20, 1999, 3:00 p.m.5:50 p.m.
Special Session on Combinatorial Designs, IV
Room 241, Altgeld Hall
Organizers:
Ilene H. Morgan, University of MissouriRolla imorgan@umr.edu
Walter D. Wallis, Southern Illinois UniversityCarbondale wdwallis@math.siu.edu

3:00 p.m.
Designing For Experimental Results That Arise Sequentially.
Deborah J Street*, UTS
(94105243)

4:00 p.m.
On a balanced incomplete splitblock design.
K. Ozawa, Gifu University, Japan
M. Jimbo*, Keio University, Japan
S. Kageyama, Hiroshima University
S. Mejza, Agricultural University of Paznan, Poland
(94105326)

4:30 p.m.
On cBhaskar Rao Designs.
Spencer P. Hurd, The Citadel
Dinesh G. Sarvate*, University of Charleston
(94105114)

5:00 p.m.
Cyclic Difference Packings.
Christopher N. Swanson*, University of Michigan  Ann Arbor
(9410535)

5:30 p.m.
Constructing balanced nested designs.
Ying Miao*, University of Tsukuba
(94105198)

Saturday March 20, 1999, 3:00 p.m.5:50 p.m.
Special Session on Optimization Problems in Geometry, II
Room 447, Altgeld Hall
Organizers:
Robert Kusner, University of Massachusetts, Amherst kusner@math.umass.edu
John M. Sullivan, University of Illinois, Urbana jms@math.uiuc.edu

3:00 p.m.
Instability of the wet cube cone soap film.
Kenneth A. Brakke*, Susquehanna University
(9414977)

3:45 p.m.
On the Free Boundary Variational Problem for Minimal Disks.
Ailana M. Fraser*, New York University
(94153276)

4:30 p.m.
The Willmore Energy of Quaternionic Line Bundles.
George I. Kamberov*, Washington University
(94158294)

5:15 p.m.
Connected sums of constant mean curvature surfaces in Euclidean 3space.
Frank Pacard*, ENS Cachan
(94153357)

Saturday March 20, 1999, 3:00 p.m.5:30 p.m.
Special Session on Lowdimensional Topology, IV
Room 341, Altgeld Hall
Organizers:
Mark Brittenham, University of North Texas britten@unt.edu
Charles Delman, Eastern Illinois University cfcid@eiu.edu
Rachel Roberts, Washington University roberts@sulu.wustl.edu

3:00 p.m.
Critical Shapes of Knots.
Gregory Buck, St. Anselm College
Eric Rawdon, Chatham College
Jonathan Simon*, University of Iowa
Joshua Tokle, University of Iowa
(94157277)

3:30 p.m.
Automorphisms of Handlebodies and Compression Bodies.
Ulrich Oertel*, Rutgers University
(94157153)

4:00 p.m.
Minimal Handle Presentations for 4manifolds.
Robert Craggs*, University of Illinois at UrbanaChampaign
(94157157)

4:30 p.m.
Surgery on knots which yield the same 3manifold.
John K. Osoinach, Jr.*, Eureka College
(94157345)

5:00 p.m.
Discussion

Saturday March 20, 1999, 3:00 p.m.6:50 p.m.
Special Session on Commutative Algebra, IV
Room 345, Altgeld Hall
Organizers:
Joseph Brennan, North Dakota State University brennan@plains.nodak.edu
Sankar Dutta, University of Illinois, Urbana dutta@math.uiuc.edu
Robert Fossum, University of Illinois, Urbana rfossum@uiuc.edu
Phillip Griffith, University of Illinois, Urbana griffith@math.uiuc.edu

3:00 p.m.
On the localization of tight closure.
Craig L. Huneke*, University of Kansas
(94113325)

3:30 p.m.
Some conditions for the equivalence of weak and strong Fregularity .
Ian M. Aberbach*, University of Missouri
(94113220)

4:00 p.m.
The tight integral closure of a set of ideals.
Melvin Hochster*, University of Michigan, Ann Arbor
(94113344)

4:30 p.m.
Normal ideals in regular rings.
Sam Huckaba*, Florida State University
Craig Huneke, University of Kansas
(94113165)

5:00 p.m.
Permanental ideals and Zarankiewicz problem.
Irena Swanson*, New Mexico State University
(94113252)

6:00 p.m.
A survey of obstruction theory for projective Modules of top rank.
M.Pavaman Murthy*, University of Chicago
(94113355)

6:30 p.m.
The LCM lattice.
Vesselin N. Gasharov*, Cornell University
Irena V. Peeva, Cornell University
Volkmar Welker, Technische Universit\"at Berlin
(94113307)

Saturday March 20, 1999, 3:00 p.m.6:50 p.m.
Special Session on Wavelet Analysis and Multiresolution Methods, IV
Room 151, Everitt Laboratory
Organizers:
TianXiao He, Illinois Wesleyan University the@sun.iwu.edu

3:00 p.m.
Sampling and stability.
Joseph M Rosenblatt*, Univerity of Illinois
(9414255)

3:30 p.m.
Wavelets and Multiwavelets for Signal Denoising.
Vasily Strela*, Dartmouth College
(94194343)

4:00 p.m.
Design of Rational Wavelet Filter.
Cheng Peng, School of Mathematical Sciences, Peking University, Beijing 100871,= P. R. China
Lizhong Peng*, School of Mathematical Sciences, Peking University, Beijing 100871,= P. R. China
(94142206)

4:30 p.m.
Best $m$term approximation of functions with bounded mixed derivative or difference by Haar wavelets.
Alexander V Andrianov*, University of South Carolina
(94142171)

5:00 p.m.
On periodic wavelets and frames.
Hrushikesh N Mhaskar*, Cal. St. Univ., L. A.
(94141135)

5:30 p.m.
Nonseparable Scaling Function Interpolation and Approximation.
EnBing Lin*, University of Toledo
(94141245)

6:00 p.m.
Applications of Wavelets in Industry: Simulations, Prototypes and Products.
Mei Kobayashi*, Tokyo Research Laboratory, IBM Japan, Ltd.
(9413378)

6:30 p.m.
Biorthogonal Wavelets with Certain Regularities.
TianXiao He*, Illinois Wesleyan University
(94141266)

Saturday March 20, 1999, 7:00 p.m.9:00 p.m.
Special Session on Recent Progress in Elementary Geometry, VI
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

7:00 p.m.
Convex illumination problems
Gregory Galperin*, Eastern Illinois University
(94151232)

8:00 p.m.
A Generalization of Post's Theorem.
John M Sullivan*, Univ. of Illinois
(94152143)

8:30 p.m.
Dynamic Geometry of Polygons.
Richard L. Hitt, Univ. of South Alabama
XinMin Zhang*, University of South Alabama
(9415109)
Inquiries: meet@ams.org