AMS Sectional Meeting Program by Day
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2001 Spring Central Section Meeting
Lawrence, KS, March 3031, 2001
Meeting #964
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Friday March 30, 2001

Friday March 30, 2001, 8:00 a.m.4:30 p.m.
Meeting Registration
Third Floor Lobby, Snow Hall

Friday March 30, 2001, 8:00 a.m.4:30 p.m.
Exhibit and Book Sale
Room 408, Snow Hall

Friday March 30, 2001, 8:30 a.m.11:20 a.m.
Special Session on Commutative Algebra, I
Room 350, Strong Hall
Organizers:
Craig Huneke, University of Kansas huneke@math.ukans.edu
Daniel Katz, University of Kansas dlk@math.ukans.edu

8:30 a.m.
Algorithms on Parametric Decomposition of Monomial Ideals.
JungChen Liu*, National Taiwan Normal University
(9641347)

9:00 a.m.
CohenMacaulayness of special fiber rings and integral closure of ideals.
Claudia Polini*, University of Oregon
(96413159)

9:30 a.m.
Monoidal Extensions of a CohenMacaulay Unique Factorization Domain.
William J Heinzer*, Purdue University
Aihua Li, Loyola Univ.
Louis J Ratliff, Univ. of California, Riverside
David E Rush, Univ. of California, Riverside
(9641340)

10:00 a.m.
On a conjecture of Auslander and Reiten.
Graham J Leuschke*, University of Kansas
(96413222)

10:30 a.m.
Gorenstein Artin Algebras and their Hilbert Functions.
Hema Srininasan*, University of MissouriColumbia
Anthony Iarrabino, Northeastern University
(96413134)

11:00 a.m.
The Tor Game.
Craig L Huneke, University of Kansas
Roger A Wiegand*, University of Nebraska
(96413145)

Friday March 30, 2001, 8:30 a.m.11:20 a.m.
Special Session on Optimal Control, Calculus of Variations, and Nonsmooth Analysis, I
Room 554, Snow Hall
Organizers:
Michael Malisoff, Texas A\&M University, Corpus Christi malisoff@penguin.tamucc.edu
Peter R. Wolenski, Louisiana State University

8:30 a.m.
Necessary Conditions of Optimality for Impulsive Control Problems with State Constraints.
Fernando Pereira*, Porto University
Geraldo da Silva, Universidade Estadual Paulista
(96449200)

9:00 a.m.
SubLipschitz Mappings and Connections to Optimal Control and the HamiltonJacobi Equation.
Grant N. Galbraith*, University of California, Davis
(96449205)

9:30 a.m.
Recent Results on Viscosity Solutions of the Bellman Equation for Optimal Control Problems with Exit Times.
Michael A. Malisoff*, Texas A \& M UniversityCorpus Christi
(96449238)

10:00 a.m.
Optimal Control and HamiltonJacobi Equations with Discontinuous Data Dependence.
Dan Ostrov*, Santa Clara University
(96449193)

10:30 a.m.
Necessary Conditions for Constrained Optimization Problems, their Applications and a Variational Proof.
Qiji J Zhu*, Western Michigan University
(96449111)

11:00 a.m.
Discussion

Friday March 30, 2001, 9:00 a.m.11:20 a.m.
Special Session on Algebraic Geometry, I
Room 339, Strong Hall
Organizers:
Christopher Peterson, Colorado State University peterson@math.colostate.edu
B. P. Purnaprajna, University of Kansas purna@math.ukans.edu

9:00 a.m.
Secants and Fulton's conjecture on the ample cone of the space of marked curves.
Pete Vermeire*, Oklahoma State University
(96414155)

9:30 a.m.
Hodge and Tate cycles on the moduli space of vector bundles.
Donu Arapura*, Purdue University
(96414102)

10:00 a.m.
On a problem of Raynaud for canonical curves.
Mircea I Mustata*, U.C. Berkeley
Mihnea Popa, University of Michigan
(96414162)

10:30 a.m.
Construction of vector bundles on Projective Spaces in positive characteristics.
Mohan Kumar*, Washington University
Chris Peterson, Colorado State University
Prabhakar Rao, University of Missori, St. Louis
(96414135)

11:00 a.m.
Linear systems with multiple base points in $P^2$.
Brian Harbourne*, University of NebraskaLincoln
Joaquim Ro\'e, Universitat de Barcelona
(9641434)

Friday March 30, 2001, 9:00 a.m.11:25 a.m.
Special Session on Number Theory, I
Room 337, Strong Hall
Organizers:
Ken Ono, University of Wisconsin, Madison ono@math.wisc.edu
Cristian Popescu, University of Texas at Austin popescu@math.utexas.edu
Tonghai Yang, Harvard University thyang@math.harvard.edu

9:00 a.m.
On the average of central values of symmetric square $L$functions in weight aspect.
Winfried Kohnen*, Mathematisches Institut, Universitaet Heidelberg, Germany
(96411105)

9:30 a.m.
Break

10:00 a.m.
Average Frobenius distributions of elliptic curves with prescribed torsion subgroups.
Kevin L James*, Clemson University
(9641173)

10:30 a.m.
Zeta functions of an infinite family of K3 surfaces.
David K Penniston*, Furman University
Scott Ahlgren, Colgate University
Ken Ono, University of Wisconsin
(96411114)

11:00 a.m.
A qseries identity which reveals the arithmetic of the Hurwitz zeta function.
Gwynneth G.H. Coogan*, University of Wisconsin, Madison
Ken Ono, University of Wisconsin, Madison
(9641175)

Friday March 30, 2001, 9:00 a.m.11:20 a.m.
Special Session on Progress in Numerical Linear Algebra, I
Room 454, Snow Hall
Organizers:
Ralph Byers, University of Kansas byers@math.ukans.edu

9:00 a.m.
Is Every Matrix Similar to a Toeplitz Matrix?
D. Steven Mackey*, Kalamazoo College
Niloufer Mackey, Western Michigan University
Srdjan Petrovic, Western Michigan University
(9641565)

9:30 a.m.
A review of nonorthogonal methods in matrix eigenvalue computations.
Frank Uhlig*, Auburn University
(9646537)

10:15 a.m.
Break

10:30 a.m.
Toward a Recursive QR Algorithm.
Karen S Braman*, University of Kansas
(9646549)

11:00 a.m.
An Efficient Implementation of the QR algorithm for Computing Zeros of Szeg\H{o} Polynomials.
Gregory S. Ammar*, Northern Illinois University
(9646567)

Friday March 30, 2001, 9:00 a.m.11:30 a.m.
Special Session on PDEs and Geometry, I
Room 321, Snow Hall
Organizers:
Marianne Korten, Kansas State University marianne@math.ksu.edu
Lev Kapitanski, Kansas State University levkapit@math.ksu.edu

9:00 a.m.
A Criteria for Compactness in Some Overdetermined Problems and Its Application to the Boundary Regularity of Contact Sets.
Ivan A Blank*, Rutgers University
Henrik Shahgholian, Royal Inst. of Technology Stockholm
(96435210)

9:40 a.m.
The subelliptic obstacle problem.
Donatella Danielli*, Johns Hopkins University
Nicola Garofalo, Johns Hopkins University
Sandro Salsa, Polytechnic of Milan
(96435227)

10:20 a.m.
Nonlinear Hyperbolic Conservative PDEs and DivergenceMeasure Vector Fields.
GuiQiang G Chen*, Northwestern University
(96435110)

11:00 a.m.
On the existence of convex classical solutions for the generalized PrandtlBatchelor free boundary problem.
Andrew F Acker*, Wichita State University
(96435246)

Friday March 30, 2001, 9:00 a.m.11:20 a.m.
Special Session on Polytopes, I
Room 335, Strong Hall
Organizers:
Margaret Bayer, University of Kansas bayer@math.ukans.edu
Carl Lee, University of Kentucky lee@ms.uky.edu

9:00 a.m.
Counting faces in the extended Shi arrangement.
Richard Ehrenborg*, University of Kentucky
(9640546)

9:30 a.m.
Bases for the Flag fVectors of Eulerian Posets.
Nathan P Reading*, University of Minnesota
(9640525)

10:00 a.m.
Relating flag $f$vector inequalities from the {\bf cd}index and toric $g$vector.
Catherine Stenson*, Juniata College
(96452199)

10:30 a.m.
Meaning and uses of the $\ell$vector.
G\'abor Hetyei*, UNC Charlotte
(96406216)

11:00 a.m.
The Manin ring in string theory.
Margaret A Readdy*, University of Kentucky
(9640544)

Friday March 30, 2001, 9:00 a.m.11:20 a.m.
Special Session on Quantization and Operator Algebras, I
Room 120, Snow Hall
Organizers:
Albert Sheu, University of Kansas sheu@math.ukans.edu

9:00 a.m.
The Haar measure on locally compact quantum groups.
Alfons Van Daele*, University of Leuven (Belgium)
(96446128)

9:30 a.m.
Transverse Groupoids.
Jerome Kaminker*, IUPUI
(96419241)

10:00 a.m.
Classical limits of C*bundles and groupoid bundles.
Birant Ramazan*, IUPUI
(96481232)

10:30 a.m.
Isomorphisms of crossed products by minimal diffeomorphisms.
N. Christopher Phillips*, University of Oregon
(96446142)

11:00 a.m.
Construction of C*algebraic quantum groups via generalized crossed products.
ByungJay Kahng*, University of Kansas
(96446174)

Friday March 30, 2001, 9:00 a.m.11:20 a.m.
Special Session on Complex Variables, I
Room 302, Snow Hall
Organizers:
Pietro PoggiCorradini, Kansas State University pietro@math.ksu.edu

9:00 a.m.
Caloric Measure in Parabolic Flat Domains.
Steve Hofmann, University of Missouri
John L Lewis*, University of Kentucky
Kaj Mystrom, University of Umea
(9643038)

9:30 a.m.
$L^p$ Regularity of the Szego and Bergman Projections on NonSmooth Planar Domains.
Loredana Lanzani*, University of Arkansas
Elias M. Stein, Princeton University
(96430108)

10:00 a.m.
A symmetrization problem for Green functions in the plane.
Albert Baernstein, II*, Washington University
(96430116)

10:30 a.m.
Convergence properties of harmonic measure distributions for planar domains.
Marie A. Snipes, Harvey Mudd College
Lesley A. Ward*, Harvey Mudd College
(96430163)

11:00 a.m.
Harmonic Measures for Symmetric Stable Processes.
JangMei G Wu*, University of Illinois
(96431107)

Friday March 30, 2001, 9:30 a.m.11:20 a.m.
Special Session on Set Theoretic Topology and Boolean Algebra, I
Room 552, Snow Hall
Organizers:
William Fleissner, University of Kansas fleissne@math.ukans.edu

9:30 a.m.
Axiom F: its status and uses.
Peter J Nyikos*, University of South Carolina
(96454203)

10:00 a.m.
$\kappa$normality in products of ordinals.
Lutfi Kalantan, King Abdulaziz University
Paul J Szeptycki*, York University
(9645464)

10:30 a.m.
Selection principles in topology.
Liljana Babinkostova, St.Cyril and Methodius University
Ljubisa Kocinac, University of Nis
Marion Scheepers*, Boise State University
(9645486)

11:00 a.m.
Possibly every real function is continuous on a nonnull set.
Andrzej Ros{\l}anowski*, University of Nebraska at Omaha
Saharon Shelah, The Hebrew University of Jerusalem
(96403115)

Friday March 30, 2001, 9:30 a.m.11:25 a.m.
Special Session on Harmonic Analysis and Applications, I
Room 306, Snow Hall
Organizers:
Rodolfo Torres, University of Kansas torres@math.ukans.edu

9:30 a.m.
Best constants for the MoserTrudinger inequalities on the Heisenberg group.
William S Cohn, Wayne State University
Guozhen Lu*, Wayne State University
(9643536)

10:00 a.m.
Poincar\'eSobolev inequalities without derivatives.
Carlos P\'erez*, Universidad Aut\'onoma de Madrid
(96442130)

10:30 a.m.
Carleson Measures for the Dirichlet Space.
Richard Rochberg*, Washington University, St. Louis
Nicola Arcozzi, Universita di Bologna
(96446188)

11:00 a.m.
Continuous Wavelets and their Discretezations.
Guido L Weiss*, Washington University
(9644220)

Friday March 30, 2001, 9:30 a.m.11:15 a.m.
Special Session on Deformation Theory, I
Room 452, Snow Hall
Organizers:
Yan Soibelman, Kansas State University soibel@math.ksu.edu
David Yetter, Kansas State University dyetter@math.ksu.edu

9:30 a.m.
Deformation Theory for Monoidal Categories, Functors and Natural Transformations.
D. N. Yetter*, Kansas State University
(96418132)

10:30 a.m.
Deformation Quantization  Old and New.
Jim Stasheff*, UNCCH
(96481168)

Friday March 30, 2001, 11:40 a.m.12:30 p.m.
Invited Address
Rational functions with real critical points.
Room 330, Strong Hall
Alexandre Eremenko*, Purdue University

Friday March 30, 2001, 2:00 p.m.2:50 p.m.
Invited Address
Number theory and partitions: The legacy of Dyson and Ramanujan.
Room 330, Strong Hall
Ken Ono*, University of WisconsinMadison
(9641101)

Friday March 30, 2001, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra, II
Room 350, Strong Hall
Organizers:
Craig Huneke, University of Kansas huneke@math.ukans.edu
Daniel Katz, University of Kansas dlk@math.ukans.edu

3:00 p.m.
Seven questions about tight closure.
Melvin Hochster*, University of Michigan
(96413185)

3:30 p.m.
Frobenius Powers of Complete Intersections.
Luchezar L Avramov, Purdue University
Claudia Miller*, Michigan State University
(96413234)

4:00 p.m.
Cyclic covers of rings with rational singularities.
Anurag K Singh*, University of Utah
(96413100)

4:30 p.m.
Bounding the action of Frobenius on ${\mathrm{Ext}}^i(M,)$.
Moira A McDermott*, Gustavus Adolphus College
Carolyn A Yackel, Indiana University
(96413239)

5:00 p.m.
Test ideals and base change problems in tight closure theory.
Ian M Aberbach*, University of Missouri
Florian Enescu, University of Michigan
(96413192)

5:30 p.m.
Test ideals and base change problems in tight closure theory.
Ian M Aberbach, University of Missouri, Columbia
Florian Enescu*, University of Michigan, Ann Arbor
(96413204)

Friday March 30, 2001, 3:00 p.m.5:50 p.m.
Special Session on Set Theoretic Topology and Boolean Algebra, II
Room 552, Snow Hall
Organizers:
William Fleissner, University of Kansas fleissne@math.ukans.edu

3:00 p.m.
Locally nice spaces and Axiom R.
Zoltan T Balogh*, Miami University,Oxford, Ohio
(96454225)

3:30 p.m.
Small compact spaces and the Pseudoradial property.
Alan S Dow*, University of North Carolina at Charlotte
(9645488)

4:00 p.m.
PFA and perfect preimages of $\omega_1$.
Erick T Eisworth*, University of Northern Iowa
(9645427)

4:30 p.m.
Lindelof Sigma spaces with a small diagonal.
Gary Gruenhage*, Auburn University
(96454218)

5:00 p.m.
Bohr Topologies and Compact Function Spaces.
Joan E Hart*, University of Dayton
Kenneth Kunen, University of WisconsinMadison
(9645433)

5:30 p.m.
Partition relations for partially ordered sets via elementary substructures.
Albin L Jones*, Kenyon College
(96403173)

Friday March 30, 2001, 3:00 p.m.5:20 p.m.
Special Session on Algebraic Geometry, II
Room 339, Strong Hall
Organizers:
Christopher Peterson, Colorado State University peterson@math.colostate.edu
B. P. Purnaprajna, University of Kansas purna@math.ukans.edu

3:00 p.m.
On the analytic rigidity of $K$trivial extremal contractions of smooth threefolds.
Csilla Tam\'as*, Purdue University
(96414123)

3:30 p.m.
On a conjecture of Iitaka.
Qi Zhang*, University of Missouri
(96414160)

4:00 p.m.
Resolution, Factorization and Toroidalization.
Kenji Matsuki*, Purdue University
(9641483)

4:30 p.m.
Vanishing of differentials along ideals.
Steven D Cutkosky*, University of Missouri
Reinhold Huebl, University of Regensburg
(96414129)

5:00 p.m.
Cohomology on toric varieties.
Gregory G Smith*, UC Berkeley
(96414127)

Friday March 30, 2001, 3:00 p.m.5:25 p.m.
Special Session on Number Theory, II
Room 337, Strong Hall
Organizers:
Ken Ono, University of Wisconsin, Madison ono@math.wisc.edu
Cristian Popescu, University of Texas at Austin popescu@math.utexas.edu
Tonghai Yang, Harvard University thyang@math.harvard.edu

3:00 p.m.
Equidistribution of Hecke eigenforms on the modular surface.
Wenzhi Luo*, The Ohio State University
Peter Sarnak, Princeton University
(9641130)

3:30 p.m.
Unipotent cuspidal representations of $G_2$.
Wee Teck Gan*, Princeton University
Nadya Gurevich, Princeton University
Dihua Jiang, University of Minnesota
(96411221)

4:00 p.m.
Local models for some Shimura varieties with bad reduction.
Thomas J. Haines*, Institute for Advanced Study/University of Toronto
Bao Chau Ngo, CNRS/Universite ParisNord
(96411180)

4:30 p.m.
Periodicity Properties for Fourier Coefficients of Half Integral Weight Modular Forms.
Alexandru Tupan*, Johns Hopkins University
(96411112)

5:00 p.m.
Local duality for unitary groups U(1) and U(2).
Manouchehr Misaghian*, JCSU
(9641126)

Friday March 30, 2001, 3:00 p.m.5:50 p.m.
Special Session on Progress in Numerical Linear Algebra, II
Room 454, Snow Hall
Organizers:
Ralph Byers, University of Kansas byers@math.ukans.edu

3:00 p.m.
A Perplectic Family of Eigenproblems.
Niloufer Mackey*, Western Michigan University
D. Steven Mackey, Kalamazoo College
Danny Dunlavy, Western Michigan University
(9641555)

3:30 p.m.
An Efficient Numerical Algorithm for Large and Sparse Algebraic Riccati Equations.
Peter Benner*, University of Bremen
Thilo Penzl, University of Calgary (last affiliation)
(9646548)

4:15 p.m.
Break

4:30 p.m.
On solving certain quadratic eigenproblems.
Heike Fassbender*, TU M\"unchen, Germany
(9646541)

5:00 p.m.
Structured URV Decompositions and Structured Eigenvalue Problems.
Hongguo Xu*, The University of Kansas
(9646558)

5:30 p.m.
Numerical Solution of Nonsymmetric Algebraic Riccati Equations.
ChunHua Guo*, University of Regina
(9646535)

Friday March 30, 2001, 3:00 p.m.6:10 p.m.
Special Session on PDEs and Geometry, II
Room 321, Snow Hall
Organizers:
Marianne Korten, Kansas State University marianne@math.ksu.edu
Lev Kapitanski, Kansas State University levkapit@math.ksu.edu

3:00 p.m.
A singular minimizer in two dimensional elasticity.
Xiaodong Yan*, Courant Institute of Mathematical Sciences
(9643554)

3:40 p.m.
Local energy minimality of capillary surfaces in the presence of symmetry.
Thomas I Vogel*, Texas A\&M University
(9645110)

4:20 p.m.
Differential properties of Xray functions of convex bodies.
Alexander Koldobsky*, University of MissouriColumbia
(9645222)

5:00 p.m.
Timelike surfaces of constant mean curvature and their corresponding PDEs.
Josef Dorfmeister, Technische Universitat Munchen
Junichi Inoguchi, Fukuoka University
Magdalena Toda*, Ball State University
(96453186)

5:40 p.m.
Integrable Geometric Evolution Equations for Curves.
Thomas A. Ivey*, College of Charleston
(9645369)

Friday March 30, 2001, 3:00 p.m.5:50 p.m.
Special Session on Polytopes, II
Room 335, Strong Hall
Organizers:
Margaret Bayer, University of Kansas bayer@math.ukans.edu
Carl Lee, University of Kentucky lee@ms.uky.edu

3:00 p.m.
Orthogonal Matroids.
Andrew Vince, University of Florida
Neil L White*, University of Florida
(9640585)

3:30 p.m.
Recovering Lexicographic Triangulations from their $z$vectors.
Wendy A Weber*, Central College
Carl W Lee, University of Kentucky
(96452201)

4:00 p.m.
Permutahedra Relative to a Regular Polytope.
Vincent J Matsko*, Quincy University
(96452153)

4:30 p.m.
Discrete Morse functions from lexicographic orders.
Eric K Babson, University of Washington
Patricia L Hersh*, University of Washington
(96405198)

5:00 p.m.
Alexander duality for projections of polytopes.
Xun Dong*, University of Minnesota
(9645214)

5:30 p.m.
Revisiting bicyclic 4polytopes.
Ted Bisztriczky*, University of Calgary
(9645223)

Friday March 30, 2001, 3:00 p.m.6:30 p.m.
Special Session on Optimal Control, Calculus of Variations, and Nonsmooth Analysis, II
Room 554, Snow Hall
Organizers:
Michael Malisoff, Texas A\&M University, Corpus Christi malisoff@penguin.tamucc.edu
Peter R. Wolenski, Louisiana State University

3:00 p.m.
Convergence Questions for Augmented Lagrangian Methods in an Optimal Control Setting.
Joe Dunn*, North Carolina State University
(96449214)

4:00 p.m.
Direct Transcription Solution of Inequality Constrained Optimal Control Problems.
Stephen L Campbell*, North Carolina State University
Neil Biehn, North Carolina State University
John T Betts, Boeing Corporation
(96465138)

4:30 p.m.
A Lyapunov Characterization of a Notion of Detectability for Nonlinear Systems.
Brian P Ingalls*, Rutgers University
(96493156)

5:00 p.m.
Nonlinear Observer Design in the Siegel Domain.
Arthur Krener, University of California, Davis
Mingqing Xiao*, Southern Illinois University, Carbondale
(96449140)

5:30 p.m.
Faithful representations for convex HamiltonJacobi equations.
Franco Rampazzo*, Universita' di Padova (Italy)
(96449175)

6:00 p.m.
Discussion

Friday March 30, 2001, 3:00 p.m.5:25 p.m.
Special Session on Harmonic Analysis and Applications, II
Room 306, Snow Hall
Organizers:
Rodolfo Torres, University of Kansas torres@math.ukans.edu

3:00 p.m.
The Marcinkiewicz multiplier condition for bilinear operators.
Loukas Grafakos, University of Missouri
Nigel J Kalton*, University of Missouri
(9644628)

3:30 p.m.
Segment multiplier and truncated Hilbert transform on rearrangementinvariant spaces.
Ron Kerman, Brock University
Jan Lang*, University of Missouri
(9644212)

4:00 p.m.
Uniform bounds for the bilinear Hilbert transforms.
Loukas Grafakas, University of MissouriColumbia
Li Xiaochun*, University of MissouriColumbia
(9644262)

4:30 p.m.
Schrodinger Maps.
Andrea Nahmod*, University of Massachusetts at Amherst
Atanas Stefanov, University of Massachusetts at Amherst
Karen Uhlenbeck, University of Texas at Austin
(96435182)

5:00 p.m.
$L^p$ estimates for operators appearing in eigenfunction expansions of Schroedinger operators.
Camil Muscalu, UCLA
Terence Tao, UCLA
Christoph Thiele*, UCLA
(96442148)

Friday March 30, 2001, 3:00 p.m.5:20 p.m.
Special Session on Quantization and Operator Algebras, II
Room 120, Snow Hall
Organizers:
Albert Sheu, University of Kansas sheu@math.ukans.edu

3:00 p.m.
Approximation properties of noncommutative $L_p(VN(G))$ spaces.
Marius Junge, University of Illinois
ZhongJin Ruan*, University of Illinois
(96446147)

3:30 p.m.
A relativistic quantum line.
Nik Weaver*, Washington University/MSRI
(9644684)

4:00 p.m.
Into isometries of C*algebras.
ChoHo Chu, Goldsmiths' College, University of London
NgaiChing Wong*, National Sun Yatsen University
(9644608)

4:30 p.m.
Boundary Value Problems in Noncommutative Geometry.
Slawomir Klimek*, IUPUI
(96447170)

5:00 p.m.
Fredholm modules over certain group C*algebras.
Tom Hadfield*, University of California at Berkeley
(96446231)

Friday March 30, 2001, 3:00 p.m.5:50 p.m.
Special Session on Complex Variables, II
Room 302, Snow Hall
Organizers:
Pietro PoggiCorradini, Kansas State University pietro@math.ksu.edu

3:00 p.m.
Multiplicator Problem and Characteristics of Growth of Entire Functions.
Vladimir Azarin*, BarIlan University, Israel
(9643007)

3:30 p.m.
Sets of asymptotic values for entire meromorphic functions of finite order.
Alicia Canton*, University of Washington
David Drasin, Purdue University
Ana Granados, University of Washington
(9643074)

4:00 p.m.
Inner functions and Rajchman measures.
Alexei G Poltoratski*, Texas A\&M
(9643081)

4:30 p.m.
Index theorems for the shift and a note on harmonic polynomial approximation.
John R Akeroyd*, University of Arkansas
(9643021)

5:00 p.m.
On the failure of a generalized DenjoyWolff Theorem.
Pietro PoggiCorradini*, Kansas State University
(96430161)

5:30 p.m.
Minimal Area Problems and Local Variations.
Roger W Barnard*, Texas Tech University
Kent Pearce, Texas Tech University
Alexander Yu. Solynin, Texas Tech University
(9643080)

Friday March 30, 2001, 3:00 p.m.5:45 p.m.
Special Session on Deformation Theory, II
Room 452, Snow Hall
Organizers:
Yan Soibelman, Kansas State University soibel@math.ksu.edu
David Yetter, Kansas State University dyetter@math.ksu.edu

3:00 p.m.
${A_{\infty}}$ structures on the homogeneous coordinate ring of an elliptic curve.
Alexander Polishchuk*, Boston University
(96414117)

4:00 p.m.
String Topology Revisited.
Alexander A. Voronov*, Michigan State University
(96455228)

5:00 p.m.
Deformations of vertex algebras and quantum cohomology of projective spaces.
Feodor Malikov*, USC
(96414223)

Friday March 30, 2001, 3:00 p.m.3:25 p.m.
Session for Contributed Papers
Room 558, Snow Hall

3:00 p.m.
A Comparison Theorem for 4th Order Boundary Value Problems.
Kathleen M GoedenFick*, Auburn University
(9643492)

3:15 p.m.
Analytic solution of second order diffrntial equation and riccati's equation.
Ali a Salim*, AmmanJordan
(9643497)

Friday March 30, 2001, 4:00 p.m.5:20 p.m.
Special Session on C*Algebras and Crossed Products, I
Room 301, Snow Hall
Organizers:
Steve Kaliszewski, Arizona State University kaliszewski@asu.edu
May Nilsen, Texas A\&M University mnilsen@math.tamu.edu

4:00 p.m.
Approximation properties of crossed products.
May M Nilsen*, Texas A&M
Roger Smith, Texas A&M
(96447190)

4:30 p.m.
Numerical Ranges of Some Special Classes of Operators.
Valentin Matache*, University of Nebraska
(96447213)

5:00 p.m.
On The Generalized Numerical Range and The Representation Spectrum.
Norberto Salinas*, University of Kansas
(9644782)

Friday March 30, 2001, 6:30 p.m.8:30 p.m.
Department of Mathematics Reception
1266 Oread Ave, Alumni Center
Inquiries: meet@ams.org