AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:47
1998 Spring Southeastern Sectional Meeting
Louisville, KY, March 2021, 1998
Meeting #931
Associate secretaries: Robert J Daverman, AMS daverman@math.utk.edu
Saturday March 21, 1998

Saturday March 21, 1998, 7:30 a.m.12:00 p.m.
Meeting Registration
Lobby, Founder's Union Building 
Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Combinatorics and Enumerative Geometry, I
Room 2, Burhans Hall
Organizers:
Kequan Ding, University of Illinois, UrbanaChampaign kding@math.uiuc.edu
Chi Wang, University of Louisville c0wang01@ulkyvx.louisville.edu

8:00 a.m.
Lusztig's Conjecture and Geometry of the Jantzen Region.
Brian D. Boe*, University of Georgia
(93151208) 
8:30 a.m.
Enumeration of spanning trees of the quartered Aztec diamond .
Mihai A Ciucu*, Institute for Advanced Study
(93105307) 
9:00 a.m.
Superschemes and $t$vertex Condition Graphs.
Jerzy Wojdylo*, Iowa State University
(93105196) 
9:30 a.m.
Decompositions of partially ordered sets.
Louis J Billera, Cornell University
G\'abor Hetyei*, University of Kansas
(93105199) 
10:00 a.m.
Enumeration of plane $m$colored cacti according to their vertexdegree distributions.
Mikl\'os B\'ona, LaCIM, Universit\'e du Qu\'ebec \`a Montr\'eal
Michel Bousquet, LaCIM, Universit\'e du Qu\'ebec \`a Montr\'eal
Gilbert Labelle, LaCIM, Universit\'e du Qu\'ebec \`a Montr\'eal
Pierre Leroux*, LaCIM, Universit\'e du Qu\'ebec \`a Montr\'eal
(93105222) 
10:30 a.m.
On the Coefficients of Binary Bent Functions.
Xiangdong Hou*, Wright State University, Dayton, OH 45435
(9310525)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Combinatorics and Graph Theory, III
Room 157, Burhans Hall
Organizers:
Andre E. Kezdy, University of Louisville aekezd01@homer.louisville.edu
Grzegorz Kubicki, University of Louisville gmkubi01@homer.louisville.edu
Jenoe Lehel, University of Louisville j0lehe01@homer.louisville.edu

8:00 a.m.
A Random Disease Problem.
Jozsef Balog*, The University of Memphis
Gabor Pete, JATE , U. of Szeged
(93105277) 
8:30 a.m.
On the Limit Probabilities of the First Order Properties of Graphs.
Lubos Thoma*, Institute for Advanced Study
(93105343) 
9:00 a.m.
A Generalization of Tur\'{a}n's Theorem for RealWeighted Graphs.
John Allen Kuchenbrod*, University of Kentucky
(93105210) 
9:30 a.m.
The Stress Spaces of Bipartite Frameworks.
Kevin M Peterson*, Columbus State University
(9310514) 
10:00 a.m.
Medians vs Centroids.
Peter J. Slater*, University of Alabama in Huntsville
(93105337) 
10:30 a.m.
On $k$Orderable Graphs.
Jill R. Faudree, Emory University
Ralph J. Faudree, University of Memphis
Ronald J. Gould*, Emory University
Michael S. Jacobson, University of Louisville
Linda Lesniak, Drew University
(93105110)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Fractal Geometry and Related Topics, III
Room 160, Burhans Hall
Organizers:
KaSing Lau, University of Pittsburgh lauks+@pitt.edu
Weibin Zeng, University of Louisville wbzeng01@ulkyvx.louisville.edu

8:00 a.m.
Dynamical systems on tiling spaces and selfsimilar processes with zer o entropy.
Teturo Kamae*, Osaka City University
(93160231) 
8:30 a.m.
A practical algorithm for computing the Hausdorff dimension of boundaries of selfsimilar tiles in $R^d$.
James E. Keesling*, University of Florida
Andrew Vince, University of Florida
Paul F. Duvall, Jr., University of North Carolina at Greensboro
(93128242) 
9:00 a.m.
Multifractal Formalism for Sofic Measures and Dimension Spectra of SelfAffine Sets.
Satoshi Takahashi*, Department of Mathematics, Osaka University
(93128255) 
9:30 a.m.
Extension of Hawkes' Theorem on the Hausdorff dimension of a GaltonWatson tree.
Steven P. Lalley*, University of Chicago
(93160275) 
10:00 a.m.
On the Disintegration with Respect to Dimension of Measures generated by Exchangeable Cascades.
Stanley C Williams*, Utah State University
(93160310) 
10:30 a.m.
Multifractal Processes and Long Range Dependence.
Rudolf H Riedi*, Rice University
(93128283)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Semigroups, Algorithms, and Universal Algebra, III
Room 158, Burhans Hall
Organizers:
Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
Steven Seif, University of Louisville swseif01@ulkyvx.louisville.edu

8:00 a.m.
Calculating conjugates in finite transformation semigroups.
Robert B. McFadden*, University of Louisville
(93120304) 
9:00 a.m.
Variations on the theme of semidirect products of regular semigroups.
Peter R Jones*, Marquette University
(93120298) 
9:30 a.m.
The restricted Quackenbush conjecture.
R. Willard*, University of Waterloo
Keith Kearnes, University of Louisville
(93108225) 
10:00 a.m.
Circuits over algebras and complexity classes of parallel computations .
Joel VanderWerf*, Neologic Systems
(93108324) 
10:30 a.m.
Finite bases for graph Malgebras.
Dejan Deli\'{c}*, Department of Pure Mathematics
(93108227)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:30 a.m.
Special Session on The Use of the History of Mathematics and Science in the University and School Classroom, III
Room 15, Founder's Union Building
Organizers:
Richard M. Davitt, University of Louisville rmdavi01@ulkyvm.louisville.edu

8:00 a.m.
Change, Probability, and Numbers: a course for nonmajors on Eighteenthcentury Mathematics.
Fernando Q Gouvea*, Colby College
(9310160) 
8:40 a.m.
On the Uses of Pythagoras: Whig History and Mathematical Initiation in the capstone history of mathematics course.
James A. Murdock*, Iowa State University
(93101118) 
9:20 a.m.
Using Informal Resources to Enrich a Mathematics Course for Elementary and Early Childhood Educators.
Nkechi M Agwu*, Borough of Manhattan Community College, City University of New York
(93101278) 
10:00 a.m.
Introducing the History of Math to PreService Teachers.
Diane E. Mason*, Indian Hills Community College
(9319644)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Spectral Theory, Mathematical Physics, and Disordered Media, III
Room 1, Burhans Hall
Organizers:
Peter David Hislop, University of Kentucky hislop@ms.uky.edu
Gunter H. Stolz, University of Alabama at Birmingham stolz@vorteb.math.uab.edu

8:00 a.m.
Recovering Asymptotics of Metrics From Fixed Energy Scattering Data.
Antonio Sa Barreto*, Purdue University
(93135288) 
8:30 a.m.
Asymptotics of Forced Elastic Waves.
Gis\`ele Ruiz Goldstein*, University of Memphis
Jerome A. Goldstein, University of Memphis
Enrico Obrecht, Universit\`a di Bologna
(93135325) 
9:00 a.m.
Bilinear optimal control of a Kirchhoff plate by means of a velocity controller.
Mary E Bradley*, University of Louisville
Suzanne M Lenhart, Universtiy of Tennessee
Jiongmin Yong, Fudan University
(93135166) 
9:30 a.m.
Rate of relaxation to fronts for the LebowitzOrlandiPresutti equation.
Eric A Carlen*, Georgia Tech
(93182318) 
10:00 a.m.
LongTime Behavior of Scalar Viscous Shock Fronts in Two Dimensions .
Jonathan Goodman, Courant Institute/NYU
Judith R. Miller*, Georgetown University
(93135273) 
10:30 a.m.
Onedimensional nonlinear diatomic particle chains.
Anna Vladimirova Georgieva*, Duke University
(93182172)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.11:00 a.m.
Special Session on Geometry of Affine Space, III
Room 162, Burhans Hall
Organizers:
Gene Freudenburg, University of Southern Indiana freudenb.ucs@smtp.usi.edu
David Wright, Washington University wright@einstein.wustl.edu

8:00 a.m.
Discussion 
8:30 a.m.
Invariants for Additive Group Actions.
James K Deveney*, Virginia Commonwealth Univ.
David R Finston, New Mexico State Univ
(93113139) 
9:10 a.m.
Local Triviality of Proper Actions of the Additive Group.
David R. Finston*, New Mexico State University
James K. Deveney, Virginia Commonwealth University
(93114137) 
9:50 a.m.
Hypersurfaces invariant under a $C^*$ action.
Ted E Petrie*, Rutgers University
(93114171) 
10:30 a.m.
Affine modifications and affine hypersurfaces with a very transitive automorphism group.
Shulim Kaliman*, University of Miami
Mikhail Zaidenberg, University of Grenoble
(93114303)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics, III
Room 255, Burhans Hall
Organizers:
Anders Bjorner, Royal Institute of Technology bjorner@math.kth.se
Michelle L. Wachs, University of Miami wachs@math.miami.edu

8:00 a.m.
Partitions with block size bounded above, and partitions with one forbidden block size: Homotopy and Homology.
Sheila Sundaram*, Wesleyan University
(93105321) 
8:30 a.m.
On the Smith Normal Form of the Varchenko matrices.
Phil Hanlon*, Univ. of Michigan
Graham Denham, Univ. of Michigan
(93105100) 
9:00 a.m.
Combinatorics of the cyclic Lie character.
H\'el\`ene Barcelo*, ASU
Volkmar Welker, Universit\"at GHEssen
(93105332) 
9:30 a.m.
Discrete Morse Theory for Graph Complexes.
John Shareshian*, California Institute of Technology
(93105185) 
10:00 a.m.
Cohomology of Dowling Lattices and Lie Superalgebras.
Eric Gottlieb*, University of Miami
Michelle L Wachs, University of Miami
(93105282) 
10:30 a.m.
Polynomial time algorithms to approximate permanents of nonnegative matrices .
Alexander Barvinok*, University of Michigan
(93105244)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.10:50 a.m.
Special Session on Modern Function Theory, III
Room 164, Burhans Hall
Organizers:
David Minda, University of Cincinnati david.minda@math.uc.edu
David A. Herron, University of Cincinnati david.herron@math.uc.edu

8:00 a.m.
Uniform norms of products of polynomials over compact sets in the complex plane.
Igor E. Pritsker*, Case Western Reserve University
(9313035) 
8:30 a.m.
On hyperbolically convex functions.
Diego Mejia*, Universidad Nacional de Colombia
Christian Pommerenke, Technische Universitat, Berlin
(93130308) 
9:00 a.m.
Complex linear combination of extremal slit mappings.
Masakazu Shiba*, Dept. Applied Math., Hiroshima Univ., Japan
(93130211) 
9:30 a.m.
On Generalizations of Approximations to the Arc Length of an Ellipse.
Roger W Barnard*, Texas Tech University
Kent Pearce, Texas Tech University
Lawrence Schovanec, Texas Tech University
Kendall C Richards, Southwestern University
(93133314) 
10:00 a.m.
Analytic Continuation of Dirichlet Series.
James Milne Anderson, University College London
Dmitry Khavinson*, University of Arkansas
Harold S. Shapiro, Royal Institute of Technology
(9313085) 
10:30 a.m.
Conformal Structures of Riemann Surfaces {\sl via} Circle Packing.
Philip L. Bowers, Florida State University
Kenneth Stephenson*, University of Tennessee
(93130133)

8:00 a.m.

Saturday March 21, 1998, 8:00 a.m.12:00 p.m.
Book Exhibit and Electronic Products Display
Lobby, Founder's Union Building 
Saturday March 21, 1998, 8:30 a.m.10:50 a.m.
Special Session on Functional Equations and Inequalities, III
Room 156, Burhans Hall
Organizers:
Thomas Riedel, University of Louisville t0ried01@homer.louisville.edu
Prasanna Sahoo, University of Louisville pksaho01@homer.louisville.edu

8:30 a.m.
The Dilation Equation and Iterated Function System.
KaSing Lau*, Univ. of Pittburgh, Pittsburgh, Pa. 15260/ The Chinese University of Hong Kong, H.K.
SzeMan Ngai, Dept. Math. Cornell University, Ithaca N.Y. 14853
(93126178) 
9:00 a.m.
Inequalities for Maximum Modulus of Rational Functions with Prescribed Poles.
Narendra K Govil*, Auburn University, Al 36848
Ram N Mohapatra, University of Central Florida
(9313024) 
9:30 a.m.
Fixed point theorems and applications.
Sankatha Singh*, Memorial University
(93147200) 
10:00 a.m.
Uncertainty due to imprecise measurements and the Cauchy functional equations.
Elias Y. Deeba*, University of HoustonDowntown
Andre De Korvin, University of HoustonDowntown
Shishen S. Xie, University of HoustonDowntown
(9313907) 
10:30 a.m.
On A Class of Functional Equations in Distribution.
Elias Y. Deeba, University of HoustonDowntown
Prasanna K. Sahoo, University of Louisville
Shishen S. Xie*, University of HoustonDowntown
(9313908)

8:30 a.m.

Saturday March 21, 1998, 8:30 a.m.10:50 a.m.
Special Session on Banach Space Theory, III
Room 8, Burhans Hall
Organizers:
Patrick N. Dowling, Miami University, Ohio pndowling@miavx1.acs.muohio.edu
Beata Randrianantoanina, Miami University, Ohio randrib@muohio.edu

8:30 a.m.
Sobolev inequalities of exponential type.
David E Edmunds, University of Sussex, U.K.
Ritva M HurriSyrjanen*, University of Helsinki, Finland
(93146256) 
9:00 a.m.
On nonsurjective approximate isometries.
Stephen J Dilworth*, University of South Carolina
(93146235) 
9:30 a.m.
Representing $\ell_p$ in quotients of Banach spaces.
Petr Habala*, University of Texas at Austin
Nicole TomczakJaegermann, FRSC, University of Alberta, Edmonton, Canada
(93146267) 
10:00 a.m.
Remarks on Legendre polynomials .
Nigel J Kalton*, University of Missouri
(93146182) 
10:30 a.m.
Quasilinear maps between Orlicz spaces.
Costantin Dan Cazacu*, University of Missouri, Columbia
Nigel J. Kalton, University of Missouri, Columbia
(9314666)

8:30 a.m.

Saturday March 21, 1998, 8:30 a.m.10:50 a.m.
Special Session on Boundary Value Problems for Differential Equations, III
Room 159, Burhans Hall
Organizers:
Paul W. Eloe, University of Dayton eloe@saber.udayton.edu

8:00 a.m.
Slow Passage Through Bifurcation in Hamiltonian Systems.
Norman R. Lebovitz, University of Chicago
Todd R. Young*, Ohio University
(93134353) 
8:30 a.m.
Periodic Solutions for Nonlinear Volterra Difference Equations With Infinite Delay.
Youssef Raffoul*, Tougaloo College
(93139151) 
9:00 a.m.
Groebner Bases for Discrete Isoperimetric Problems.
Betty Jean Harmsen*, Omaha, NE
(93139146) 
9:30 a.m.
Direct and Inverse Scattering in a Layered or Anisotropic Medium.
Joseph F Coyle*, University of Delaware
(93165238) 
10:00 a.m.
Existence, Uniqueness, and Properties of Azimuthal Shear Solutions in Compressible Nonlinear Elasticity.
Joseph E. Paullet*, Penn State Erie
Debra A. Polignone, University of Tennessee
Paul G. Warne, Maryville College
(9313455) 
10:30 a.m.
Wellposedness, regularity, and stabilization of shells.
Christine A McMillan*, Virginia Tech
(93149349)

8:00 a.m.

Saturday March 21, 1998, 8:30 a.m.10:50 a.m.
Special Session on Spectral Geometry, III
Room 3, Burhans Hall
Organizers:
Ruth Gornet, Texas Tech University gornet@math.ttu.edu
Peter Anton Perry, University of Kentucky perry@ms.uky.edu

8:30 a.m.
Spectral asymptotics for compactly supported perturbations of the Laplacian on Euclidian space.
Tanya J. Christiansen*, University of Missouri
(93135142) 
9:00 a.m.
Spectral Clustering of the Dirac Operator on Spheres.
Mary R Sandoval*, Purdue University
(93158162) 
9:30 a.m.
Spectral geometry of Gmanifolds and foliations.
Ken Richardson*, Texas Christian University
(93158154) 
10:00 a.m.
Asymptotic estimates of Husimi distributions centered near critical points.
Mariah Birgen*, Wartburg College
(93158312) 
10:30 a.m.
Asymptotics of powers of positive line bundles over Kahler manifolds.
Steve Zelditch, IV*, Johns Hopkins University
(93132164)

8:30 a.m.

Saturday March 21, 1998, 8:30 a.m.11:00 a.m.
Special Session on Applied Probability and Actuarial Science, III
Room 14, Founder's Union Building
Organizers:
Grzegorz Rempala, University of Louisville garemp01@homer.louisville.edu
Krzysztof Ostraszewski, University of Louisville kmosta01@homer.louisville.edu
Ewa M. Kubicka, University of Louisville
Bogdan Gapinski, University of Louisville

8:30 a.m.
Nonparametric test of assets performances .
Grzegorz A Rempala*, University of Louisville
Krzysztof M Ostaszewski, University of Louisville
(93162289) 
9:10 a.m.
A Statistical Analysis of Tidal Data.
Michael Sherman*, Texas A&M University
(93160155) 
9:50 a.m.
Estimation under asymmetric loss functions.
Michael I Baron*, Math Dept, University of Texas at Dallas
(9316080) 
10:30 a.m.
Matrix means and permanents.
Gabor Szekely*, Eotvos L. University, Budapest, and Bowling Green State University
(9316075)

8:30 a.m.

Saturday March 21, 1998, 9:00 a.m.10:50 a.m.
Special Session on Real Analysis, III
Room 163, Burhans Hall
Organizers:
Udayan B. Darji, University of Louisville ubdarj01@homer.louisville.edu
Lee Larson, University of Louisville lmlars01@homer.louisville.edu

9:00 a.m.
Chebyshev Foam.
Gordon G. Johnson*, University of Houston
(93126263) 
9:30 a.m.
Further Properties of an Extremal Set of Uniqueness.
Matt Insall, University of Missouri  Rolla
David E. Grow*, University of Missouri  Rolla
(93143165) 
10:00 a.m.
Green's Theorem with NO Differentiability.
Isidore Fleischer*, Centre de recherches math\'ematiques
(9312656) 
10:30 a.m.
On supmeasurable functions problem.
Krzysztof Ciesielski*, West Virginia University
(9312638)

9:00 a.m.

Saturday March 21, 1998, 9:00 a.m.10:50 a.m.
Special Session on LowDimensional Topology, III
Room 161, Burhans Hall
Organizers:
Abigail A. Thompson, University of California, Davis thompson@math.ucdavis.edu
Martin Scharlemann, University of Califronia, Santa Barbara mgscharl@math.ucsb.edu

9:00 a.m.
Torsion in the Kauffman bracket skein module of a 3manifold and use of a homology group and hyperbolic structure in torsion detection.
J\'ozef H Przytycki*, George Washington University
(9315764) 
9:30 a.m.
Examples of foliation cones.
John Cantwell*, Saint Louis University
Lawrence Conlon, Washington University
(9315721) 
10:00 a.m.
Genuine laminations and group negative curvature.
William H. Kazez*, University of Georgia
David Gabai, California Insitute of Technology
(9315710) 
10:30 a.m.
Small Seifert group actions on R .
Rachel Roberts*, Washington University
Melanie Stein, Trinity College
(9315745)

9:00 a.m.

Saturday March 21, 1998, 11:10 a.m.12:00 p.m.
Invited Address
Recognizing the 3sphere.
Room 218, Founder's Union Building
Abigail Thompson*, University of California at Davis 
Saturday March 21, 1998, 1:40 p.m.2:30 p.m.
Invited Address
Folding and coloring problems in mathematics and physics.
Room 218, Founder's Union Building
Philippe DiFrancesco*, University of North Carolina at Chapel Hill 
Saturday March 21, 1998, 2:45 p.m.5:35 p.m.
Special Session on Combinatorics and Enumerative Geometry, II
Room 2, Burhans Hall
Organizers:
Kequan Ding, University of Illinois, UrbanaChampaign kding@math.uiuc.edu
Chi Wang, University of Louisville c0wang01@ulkyvx.louisville.edu

2:45 p.m.
$q$Rook polynomials and matrices over finite fields.
James B Haglund*, M.I.T.
(93105234) 
3:15 p.m.
Toughness, trees and walks.
Mark Ellingham, Vanderbilt University
Xiaoya Zha*, Middle Tennessee State University
(93105305) 
3:45 p.m.
On the number of rational points over finite field of the unipotent partial flag variety.
Anatol N. Kirillov*, Professor
(93105319) 
4:15 p.m.
Quadratic algebras in Schubert calculus.
Sergey Fomin*, M.I.T.
Anatol N Kirillov, CRM, U. de Montreal
(93105328) 
4:45 p.m.
A Pieritype formula for the symplectic flag manifold .
Nantel Bergeron, York University
Frank Sottile*, University of Toronto
(93114299) 
5:15 p.m.
The Terwilliger Algebras of Bipartite P and Qpolynomial Association Schemes.
John S Caughman, IV*, University of Wisconsin
(93105351)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.6:05 p.m.
Special Session on Combinatorics and Graph Theory, IV
Room 157, Burhans Hall
Organizers:
Andre E. Kezdy, University of Louisville aekezd01@homer.louisville.edu
Grzegorz Kubicki, University of Louisville gmkubi01@homer.louisville.edu
Jenoe Lehel, University of Louisville j0lehe01@homer.louisville.edu

2:45 p.m.
Essentially Finite Colorings.
Bela Bollob\'{a}s, University of Memphis
Richard H. Schelp*, University of Memphis
Yoshi Kohayakawa, Universidade de S\~{a}o Paulo
(9310594) 
3:15 p.m.
Colorings of Complete Graphs and Rainbow Subgraphs.
Ralph J Faudree*, University of Memphis
(93105180) 
3:45 p.m.
Forcing concepts in graph theory.
Frank Harary*, New Mexico State University
(9310589) 
4:15 p.m.
Cographs as intersection graphs and intersections of graphs.
Terry A. McKee*, Wright State University
(9310583) 
4:45 p.m.
Partitioning Vertices of a Tournament into Independent Cycles.
Guantao Chen*, Georgia State University
(93105294) 
5:15 p.m.
Domination in Oriented Graphs.
Bela Bollobas, The University of Memphis
Tamas Szabo*, The University of Memphis
(93105276) 
5:45 p.m.
The Ramsey numbers $r(C_4,G)$ and $r(C_5,G)$ for all graphs $G$ of order six.
Chula J Jayawardene*, The University of memphis
Cecil C. Rousseau, The University of Memphis
(93105342)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:35 p.m.
Special Session on Discrete Mathematics, Classification Theory and Consensus
Room 156, Burhans Hall
Organizers:
Robert C. Powers, University of Louisville rcpowe01@homer.louisville.edu

2:45 p.m.
Resolving Arrow's Theorem and Voting Paradoxes.
Donald G. Saari*, Northwestern University
(9319047) 
3:15 p.m.
Arrowlike Theorems for Closed Systems of Sets.
Gary D. Crown, Wichita State University
Melvin F. Janowitz*, University of Massachusetts
(93105112) 
3:45 p.m.
A Unifying approach to Arrow's Theorem.
Richard A. CramerBenjamin*, University of Massachusetts
(9310688) 
4:15 p.m.
An axiomatic approach to centrality functions on graphs.
Fred R. McMorris*, University of Louisville
(93105117) 
4:45 p.m.
Median with Respect to the MinimumElementMoves Metric.
Kaddour Boukaabar*, California University of Pennsylvania
(9310690) 
5:15 p.m.
Clique Consensus Methods with Polynomial Time Algorithms.
David J. Bryant*, Centre de Recherches Mathematiques
(93105140)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:35 p.m.
Special Session on Fractal Geometry and Related Topics, IV
Room 160, Burhans Hall
Organizers:
KaSing Lau, University of Pittsburgh lauks+@pitt.edu
Weibin Zeng, University of Louisville wbzeng01@ulkyvx.louisville.edu

2:45 p.m.
On packing measure and packing dimension.
Gerald A Edgar*, The Ohio State University
(9312820) 
3:15 p.m.
Koebe Type Distortion Theorem for Nonconformal Semigroups .
Yunping Jiang*, Queens College of CUNY
(93132212) 
3:45 p.m.
Parabolic iterated function systems.
R. Daniel Mauldin*, University of North Texas
Mariusz Urbanski, University of North Texas
(93158144) 
4:15 p.m.
Dimensions and measures for a curvilinear Sierpinski gasket or Apollonian Packings.
Mariusz Urbanski*, University of North Texas
Daniel Mauldin, University of North Texas
(93128156) 
4:45 p.m.
Invariant measures on Julia sets via iterated function systems.
Russell K. Jackson, Brown Ubiversity
Karl E. Petersen*, University of North Carolina
(9313097) 
5:15 p.m.
Approximation of invariant measures for iterated function systems.
Anders Oberg*, Umeå University and Uppsala University
(93128233)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.6:05 p.m.
Special Session on Banach Space Theory, IV
Room 8, Burhans Hall
Organizers:
Patrick N. Dowling, Miami University, Ohio pndowling@miavx1.acs.muohio.edu
Beata Randrianantoanina, Miami University, Ohio randrib@muohio.edu

2:45 p.m.
Some fixed point results in $\ell^1$ and $c_0$.
Patrick N Dowling, Miami University
Christopher J Lennard, Univ. of Pittsburgh
Barry Turett*, Oakland University
(93146306) 
3:15 p.m.
On Asymptotic $\ell_1$ Banach spaces.
George Androulakis*, University of MissouriColumbia
(93146260) 
3:45 p.m.
Relative Complementation Property.
William B. Johnson, Texas A\&M University
Timur Oikhberg*, Texas A\&M University
(93146246) 
4:15 p.m.
Every frame is a sum of three (but not two) orthonormal bases  and other frame representations.
Peter G Casazza*, U. of Missouri
(9314672) 
4:45 p.m.
Genus N Banach Spaces.
Peter G. Casazza, University of Missouri
Mark C. Lammers*, University of North CarolinaWilmington
(93146187) 
5:15 p.m.
Remarks about Schlumprecht space.
Denka Kutzarova*, Bulgarian Academy of Sciences
(93146150) 
5:45 p.m.
Operators on spaces of analytic functions in the Dixmier class.
Mark C Ho*, National Sun YatSen University
(9314715)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.4:05 p.m.
Special Session on Real Analysis, IV
Room 163, Burhans Hall
Organizers:
Udayan B. Darji, University of Louisville ubdarj01@homer.louisville.edu
Lee Larson, University of Louisville lmlars01@homer.louisville.edu

2:45 p.m.
Shades of the Cauchy functional equation.
Rick Mabry*, Louisiana State University in Shreveport
(9312632) 
3:15 p.m.
Continuity of symmetrically continuous functions.
Marcin Szyszkowski*, West Virginia University
(93126296) 
3:45 p.m.
Absolute Summability Factors of Infinite Series.
Syed M. Mazhar*, Kuwait University
(9314039)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.6:35 p.m.
Special Session on Semigroups, Algorithms, and Universal Algebra, IV
Room 158, Burhans Hall
Organizers:
Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
Steven Seif, University of Louisville swseif01@ulkyvx.louisville.edu

2:45 p.m.
Homotopy and semisymmetry.
Jonathan D. H. Smith*, Iowa State University
(93120229) 
3:15 p.m.
Posets whose monoids of orderpreserving maps are abundant.
M. E. Adams*, State University of New York at New Paltz
Matthew Gould, Vanderbilt University
(93106245) 
3:45 p.m.
Categorical Equivalence of Modes.
Clifford H Bergman*, Iowa State University
Joel Berman, University of Illinois at Chicago
(93118138) 
4:15 p.m.
Priestley Duality for Distributive and Brouwerian Semilattices.
Jonathan D Farley*, Vanderbilt University
(93108329) 
4:45 p.m.
Transformation semigroups and associated permutation groups.
Inessa Levi*, University of Louisville
(93120249) 
5:15 p.m.
Discussion 
5:45 p.m.
Lattices with large minimal extensions.
Ralph Freese, University of Hawaii
Jaroslav Jezek, Charles University (Prague)
J. B. Nation*, University of Hawaii
(93106341) 
6:15 p.m.
Unsolved and unsolvable problems in finite algebras and semigroups.
Ralph McKenzie*, Vanderbilt University
(93108302)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:05 p.m.
Special Session on Boundary Value Problems for Differential Equations, IV
Room 159, Burhans Hall
Organizers:
Paul W. Eloe, University of Dayton eloe@saber.udayton.edu

3:15 p.m.
Spatial analyticity for the nonlinear heat equation in a bounded domain.
Zoran Grujic*, Indiana University
Igor Kukavica, Univ. of Southern Cal.
(93135101) 
3:45 p.m.
Multiple Positive Solutions for a ThreePoint Boundary Value Problem.
Douglas Anderson*, Concordia College
(93134135) 
4:15 p.m.
Control and stabilization of elastic systems.
Mary Ann Horn*, Vanderbilt University
(93135352)

3:15 p.m.

Saturday March 21, 1998, 2:45 p.m.5:05 p.m.
Special Session on Spectral Geometry, IV
Room 3, Burhans Hall
Organizers:
Ruth Gornet, Texas Tech University gornet@math.ttu.edu
Peter Anton Perry, University of Kentucky perry@ms.uky.edu

2:45 p.m.
Sharp constant in the TrudingerMoser Adam inequality .
SunYung A. Chang*, UCLA
(93153240) 
3:15 p.m.
Hausdorff dimension and limits of Kleinian groups.
Richard D. Canary, University of Michigan
Edward C. Taylor*, University of Kentucky
(9315827) 
3:45 p.m.
Length spectra of graphs.
Gregory T Quenell*, Oberlin College
(93105173) 
4:15 p.m.
Hill's Equation for a Regular Graph.
Robert C. Carlson*, University of Colorado at Colorado Springs
(9313463) 
4:45 p.m.
Spectral Theory of Toeplitz Operators on Manifolds.
Victor W. Guillemin, Massachusetts Institute of Technology
Kate Okikiolu*, University of California, San Diego
(93147345)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:35 p.m.
Special Session on Spectral Theory, Mathematical Physics, and Disordered Media, IV
Room 1, Burhans Hall
Organizers:
Peter David Hislop, University of Kentucky hislop@ms.uky.edu
Gunter H. Stolz, University of Alabama at Birmingham stolz@vorteb.math.uab.edu

2:45 p.m.
Eigenvalue Estimates in the SemiClassical Limit for Pauli and Dirac Operators with a Magnetic Field.
W. D. Evans, University of Wales, Cardiff
Roger T. Lewis*, University of Alabama at Birmingham
(93181218) 
3:15 p.m.
An improved FeynmanKacIt\^{o} formula.
Dirk Hundertmark*, Princeton university
(93160279) 
3:45 p.m.
BohrSommerfeld Quantization Rules and Rydberg States of Hydrogen.
George A. Hagedorn*, Virginia Polytechnic Institute and State University
Sam L. Robinson, William Paterson University of New Jersey
(93181176) 
4:15 p.m.
On Moments of Negative Eigenvalues for the Pauli Operator.
Zhongwei Shen*, University of Kentucky
(93135286) 
4:45 p.m.
Eigenvalues of Schr\"odinger operators with potentials depending on curvature.
Evans M. Harrell, II*, Georgia Institute of Technology
Michael Loss, Georgia Institute of Technology
(93181167) 
5:15 p.m.
Spectral and Scattering Theory for Kleinian Groups.
Peter A Perry*, University of Kentucky
(93135228)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:55 p.m.
Special Session on Geometry of Affine Space, IV
Room 162, Burhans Hall
Organizers:
Gene Freudenburg, University of Southern Indiana freudenb.ucs@smtp.usi.edu
David Wright, Washington University wright@einstein.wustl.edu

2:45 p.m.
Analytic Desingularization In Characteristic Zero.
Shreeram S. Abhyankar*, Purdue University
(9311492) 
3:25 p.m.
Local Factorization of Birational Morphisms.
Steven Dale Cutkosky*, Univ. Missouri
(93114186) 
4:45 p.m.
From indaffine varieties to the Jacobian Problem.
Tac Kambayashi*, Tokyo Denki University
(93114134) 
5:25 p.m.
Stably tameness of a new class of automorphisms.
David L Wright*, Washington University
Engelbert Hubbers, University of Nijmegen
(93113326)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.6:05 p.m.
Special Session on Algebraic Combinatorics, IV
Room 255, Burhans Hall
Organizers:
Anders Bjorner, Royal Institute of Technology bjorner@math.kth.se
Michelle L. Wachs, University of Miami wachs@math.miami.edu

2:45 p.m.
Mixed Bruhat operators.
Sergey Fomin*, M.I.T.
Francesco Brenti, University of Rome
(93105330) 
3:15 p.m.
The partial order of dominant weights.
John R Stembridge*, University of Michigan, Ann Arbor, MI
(9310571) 
3:45 p.m.
Pattern Avoidance and Rational Smoothness of Schubert Varieties.
Sara C. Billey*, MIT
(93105127) 
4:15 p.m.
What does skewsymmetric functions, $F_w$ Stanley symmetric functions, skewSchubert functions all have in common?
Nantel Bergeron*, York University
Frank Sottile, University of Toronto
(93105116) 
4:45 p.m.
A Recursion for Charge on Words.
Kendra Killpatrick, University of Minnesota
Dennis E White*, University of Minnesota
(9310551) 
5:15 p.m.
Antiautomorphisms of subgroup lattices and involutions on tabloids.
Noel Watson, The Wharton School of the University of Pennsylvania
Lynne Butler*, Haverford College
Curtis Greene, Haverford College
(93105339) 
5:45 p.m.
Some remarkable families of multiple regular representations of $S_n$ .
Francois Bergeron, L'Universit\'e du Qu\'ebec \`a Montr\'eal
Adriano M Garsia*, University of California, San Diego
Glenn P Tesler, University of California, San Diego
(93105253)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:35 p.m.
Special Session on Modern Function Theory, IV
Room 164, Burhans Hall
Organizers:
David Minda, University of Cincinnati david.minda@math.uc.edu
David A. Herron, University of Cincinnati david.herron@math.uc.edu

2:45 p.m.
Uniform densities of regular sequences in the unit disk.
Peter Duren*, University of Michigan
Alexander P. Schuster, Washington University
Kristian Seip, Norwegian University of Science and Technology
(93130272) 
3:15 p.m.
Doubling Measures with Different Bases.
JangMei Wu*, University of Illinois, Department of Mathematics
(93128204) 
3:45 p.m.
Extremal lengths of homology classes on Riemann surfaces.
Makoto Masumoto*, Department of Mathematics, Yamaguchi University, Japan
(93130147) 
4:15 p.m.
On the zeros of entire functions of small positive order and their derivatives.
Joseph Miles, University of Illinois
John F Rossi*, Virginia Tech
(93130113) 
4:45 p.m.
J{\o}rgensen's inequality for discrete convergence groups.
Petra BonfertTaylor*, Assistant Professor
(93108189) 
5:15 p.m.
Interpolation by Bloch functions.
Alexander P Schuster*, Washington University in St. Louis
(93130195)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.5:05 p.m.
Special Session on LowDimensional Topology, IV
Room 161, Burhans Hall
Organizers:
Abigail A. Thompson, University of California, Davis thompson@math.ucdavis.edu
Martin Scharlemann, University of Califronia, Santa Barbara mgscharl@math.ucsb.edu

2:45 p.m.
Counting annuli and tori.
Martin G Scharlemann, UCSB
Jennifer C Schultens*, Emory University
(9315716) 
3:15 p.m.
Annular and boundary reducing Dehn fillings.
Cameron McA. Gordon*, The University of Texas at Austin
YingQing Wu, University of Iowa
(9315782) 
3:45 p.m.
Extension of incompressible surfaces on the boundary of 3manifolds.
Michael Freedman, UCSD
Hugh Howards, UCSD
YingQing Wu*, University of Iowa
(9315781) 
4:15 p.m.
Heegaard diagrams and handlebody groups.
Feng Luo*, Dept. of Math., Rutgers Univ.
(9315773) 
4:45 p.m.
Proof of Arnold's Conjectures About Plane Curves With Double Points.
Chenghui Luo*, Fraunhofer CRCG, Inc.
(9315511)

2:45 p.m.

Saturday March 21, 1998, 2:45 p.m.4:25 p.m.
Session for Contributed Papers
Room 9, Burhans Hall

2:45 p.m.
Der bunte Hahn.
Klaus Leeb*, Universitaet Erlangen
(9310609) 
3:00 p.m.
The Shells of Vaggione: Some Comments and Questions.
Arthur Knoebel*, Vanderbilt University
(93108338) 
3:15 p.m.
Cancellation and Embedding Theorems for Compact Uniquely Divisible Semigroups.
Kirk Benningfield*, McNeese State University
(9312228) 
3:30 p.m.
A Characterization of Compact Regular Semigroups with the Ideal Extension Property.
Karen Dommert Aucoin*, McNeese State University
Kirk Benningfield, McNeese State University
(9312229) 
3:45 p.m.
Hilbert's Space Filling Curve and Hausdorff Dimension.
Mark C McClure*, UNC  Asheville
(9312654) 
4:00 p.m.
Subdivisions of twodimensional point sets with few interior points.
Wendy A. Weber*, University of Kentucky
(93152262) 
4:15 p.m.
Recursive C++ Algorithm for Multiple Integrals.
Clinton P. Fuelling*, Ball State University
(9316536)

2:45 p.m.