
AMS Sectional Meeting Program by Day
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Inquiries: meet@ams.org
1998 Fall Southeastern Section Meeting
WinstonSalem, NC, October 910, 1998
Meeting #936
Associate secretaries: Robert J Daverman, AMS daverman@math.utk.edu
Saturday October 10, 1998

Saturday October 10, 1998, 8:00 a.m.12:00 p.m.
Meeting Registration and AMS Book Sale and Exhibit
Lobby, Benson University Center

Saturday October 10, 1998, 8:00 a.m.10:50 a.m.
Special Session on Commutative Ring Theory, III
Room 20, Calloway Hall Organizers: David F. Anderson, University of Tennessee, Knoxville anderson@novell.math.utk.edu
Evan Houston, University of North Carolina, Charlotte fma00egh@unccvm.uncc.edu

8:00 a.m.
Powerful ideals in integral domains.
Ayman Badawi*, Birzeit University
Evan Houston, University of North Carolina at Charlotte
(9361330)

8:30 a.m.
Commutative rings with finitely generated multiplicative semigroup.
Daniel D. Anderson, The University of Iowa
Joe Stickles*, Marshall University
(9361391)

9:00 a.m.
On the prime ideals in a commutative ring.
David E. Dobbs*, University of Tennessee
(9361349)

9:30 a.m.
Dilworth and Sperner numbers of group rings.
James S. Okon, California State University, San Bernardino
J. Paul Vicknair*, California State University, San Bernardino
(9361396)

10:00 a.m.
Krull rings and the ring of finite fractions.
Thomas G. Lucas*, University of North Carolina at Charlotte
(93613120)

10:30 a.m.
Closures along admissible subsets.
Gabriel Picavet*, Laboratoire de Mathematiques pures, Universite Blaise Pascal, 63177 AUBIERE CEDEX, France
(9361317)

Saturday October 10, 1998, 8:00 a.m.10:50 a.m.
Special Session on Modern Methods in Set Theory and General Topology, III
Room 10, Calloway Hall Organizers: Winfried Just, Ohio University just@bing.math.ohiou.edu
Paul Szeptycki, Ohio University szeptyck@bing.math.ohiou.edu

8:00 a.m.
Ulam stability and pathological submeasures.
Ilijas Farah*, York University
(93604201)

8:30 a.m.
Cardinal characteristics and ultrafilters.
Andreas R. Blass*, University of Michigan
(9360380)

9:00 a.m.
Almost$^*$ Realcompact Spaces.
John J. Schommer*, University of Tennessee at Martin
Mary Anne Swardson, Ohio University
(93654190)

9:30 a.m.
A Linearly Fibered Souslinean Space Under Martin's Axiom.
Justin Tatch Moore*, University of Toronto
(93654154)

10:00 a.m.
Which partial orders extend to {\Bbb Q}?
Judith Roitman*, University of Kansas
(93606152)

10:30 a.m.
Why Boolean algebras?
Andrzej Roslanowski*, Boise State University
(93604126)

Saturday October 10, 1998, 8:00 a.m.9:50 a.m.
Special Session on Boundary Value Problems, II
Room 5, Guy T. Carswell Hall Organizers: John V. Baxley, Wake Forest University baxley@pilot.mthcsc.wfu.edu
Stephen B. Robinson, Wake Forest University robinson@mthcsc.wfu.edu

8:00 a.m.
Differentiation of Solutions of Lidstone Boundary Value Problems with Respect to the Boundary Data.
John M. Davis*, Auburn University
(9363426)

8:30 a.m.
Existence of Multiple Solutions for Some $n^{th}$ Order Boundary Value Problems.
Johnny Henderson*, Auburn University
H. B. Thompson, The University of Queensland
(9363420)

9:00 a.m.
A selfadjoint second order equation on a measure chain.
Allan C Peterson*, University of NebraskaLincoln
(9363990)

9:30 a.m.
Exact controllability and uniform stabilization for electromagnetic fields.
Matthias M Eller, Tennessee Technical University
James E Masters, III*, University of Virginia
(93635189)

Saturday October 10, 1998, 8:30 a.m.10:50 a.m.
Special Session on Noncommutatuve Algebra, III
Room 119, Calloway Hall Organizers: Ellen Kirkman, Wake Forest University kirkman@mthcsc.wfu.edu
James Kuzmanovich, Wake Forest University kuz@mthcsc.wfu.edu

8:30 a.m.
$q$Wedge Modulules for Quantized Enveloping Algebras of Classical Type.
Kailash C. Misra*, North Carolina State University
(93617205)

9:00 a.m.
Downup Algebras.
Paula A.A.B. Carvalho, Universidade do Porto, Portugal.
Ian M Musson*, University of WisconsinMilwaukee
(9361672)

9:30 a.m.
Tilting Modules and Cohomology.
Brian J Parshall*, Department of Mathematics
(93616208)

10:00 a.m.
Construction of noncommutative ruled surfaces.
David Patrick*, University of Washington
(93616184)

10:30 a.m.
Representation theory, generic and specific.
Leonard L Scott*, University of Virginia
(93616210)

Saturday October 10, 1998, 8:30 a.m.10:50 a.m.
Special Session on Recent Results on the Topology of ThreeManifolds, III
Room 3, Calloway Hall Organizers: Hugh Nelson Howards, Wake Forest University howards@wfu.edu

8:30 a.m.
The second homology group of the level 2 mapping class group and extended Torelli group of an orientable surface.
Joel S Foisy*, SUNY Potsdam
(9365758)

9:00 a.m.
Results concerning surface groups in surgered manifolds.
Anneke Bart*, Saint Louis University
(9365721)

9:30 a.m.
Relativelyslice links and the lower central series of $3$manifold groups.
Vyacheslav S. Krushkal*, Institute for Advanced Study
(93657220)

10:00 a.m.
Subgroup Separability and the Generalized Word Problem in Aut($F_n$) and the Braid Groups.
Oliver T Dasbach, Columbia University
Brian S Mangum*, Barnard College  Columbia University
(93657164)

10:30 a.m.
Planar Normal Surfaces and the Word Problem.
William H Jaco*, Oklahoma State University
Joachim H Rubinstein, University of Melbourne
Eric D Sedgwick, Oklahoma State University
(93657222)

Saturday October 10, 1998, 8:30 a.m.10:50 a.m.
Special Session on Ergodic Theory, III
Room 102, Guy T. Carswell Hall Organizers: Idris Assani, University of North Carolina, Chapel Hill assani@math.unc.edu

8:30 a.m.
Oscillation For Discrete Singular Integral Operators.
James T. Campbell*, University of Memphis
Mate Wierdl, University of Memphis
(93643230)

9:00 a.m.
Fractional Poisson's Equation and Ergodic Theorems for Fractional Coboundaries.
Yves Derriennic, Universit/'e de Bretagne Occidentale
Michael Lin*, BenGurion University of the Negev
(9362865)

9:30 a.m.
Invariant measures for setvalued dynamical systems.
Walter M Miller*, Howard University
Ethan Akin, The City College of New York
(93628144)

10:00 a.m.
Factor maps between tiling dynamical systems.
Karl E. Petersen*, University of North Carolina at Chapel Hill
(9362813)

10:30 a.m.
Universal Estimation of Ergodic Transformations.
Terrence M Adams*, Rhode Island College
Andrew B Nobel, UNCCH
(93660221)

Saturday October 10, 1998, 8:30 a.m.10:50 a.m.
Special Session on Spectral Theory of Differential Equations and Applications, II
Room 101, Guy T. Carswell Hall Organizers: Dominic Clemence, North Carolina A&T University clemence@ncat.edu
Alexandra Kurepa, North Carolina A&T University kurepa@ncat.edu

8:30 a.m.
Exact Results for the mLambda Function.
John C.D. Diamantopoulos*, Ouachita Baptist University, Arkadelphia, AR
(93634235)

9:00 a.m.
A Spectral Method for the Solution of Control Problems.
Mohsen Razzaghi*, Mississippi State University
(9369399)

9:30 a.m.
Extremal Properties of Eigenvalues.
Charlotte A. KnottsZides*, University of Tennessee at Knoxville
(93634123)

10:00 a.m.
Discrete Liapunov Inequalities.
Steve Clark*, University of MissouriRolla
Don Hinton, University of TennesseeKnoxville
(93639198)

10:30 a.m.
An Existence result for a class of Sublinear Semipositone Systems.
Alfonso Castro, University of North Texas
Chhetri Maya, Mississippi State University
Ratnasingham Shivaji*, Mississippi State University
(9363598)

Saturday October 10, 1998, 8:30 a.m.10:50 a.m.
Special Session on Topology in Dynamics, III
Room 17, Calloway Hall Organizers: Marcy Barge, Montana State UniversityBozeman barge@math.montana.edu
Krystyna M. Kuperberg, Auburn University kuperkm@mail.auburn.edu

8:30 a.m.
Models of boundaries of Siegel disks.
Andrew O Maner, UAB
John C Mayer*, UAB
Lex G Oversteegen, UAB
(93630142)

9:00 a.m.
External impressions in nonlocallyconnected Julia sets.
Lex G Oversteegen*, UAB
John C Mayer, UAB
(93654139)

9:30 a.m.
Exit points on the boundary of a Siegel disk.
James T Rogers, Jr.*, Tulane University
(9365854)

10:00 a.m.
Blowup and Fixed Points.
Christopher W. Stark*, NSF and University of Florida
(93657218)

10:30 a.m.
How Basins of Attraction Evolve as a Parameter is Varied.
James A. Yorke*, University of Maryland
Helena E. Nusse, University of Groningen
(93600217)

Saturday October 10, 1998, 8:30 a.m.10:50 a.m.
Special Session on Operator Theory and Holomorphic Spaces, III
Room 208, Guy T. Carswell Hall Organizers: Tavan T. Trent, University of Alabama ttrent@gp.as.ua.edu
Zhijian Wu, University of Alabama zwu@ua1vm.ua.edu

8:30 a.m.
Synthesis sets for $H^\infty + C$.
Pamela B Gorkin*, Bucknell University
Raymond Mortini, Universite de Metz
(9364638)

9:00 a.m.
Schroeder's equation in several variables.
Carl C. Cowen, Purdue University
Barbara D. MacCluer*, University of Virginia
(9363284)

9:30 a.m.
Composition Operators on Transition Bergman Spaces.
Thomas L. Kriete*, University of Virginia
(93647150)

10:00 a.m.
Commutant Lifting on a two holed domain.
Scott McCullough*, University of Florida
(93647138)

10:30 a.m.
Numerical Ranges of Composition Operators.
Valentin Matache*, University of Puerto Rico
(9364722)

Saturday October 10, 1998, 9:00 a.m.10:50 a.m.
Special Session on Combinatorics and Graph Theory, III
Room 117, Calloway Hall Organizers: Bruce Landman, University of North Carolina bmlandma@hamlet.uncg.edu

9:00 a.m.
On the number of elements in matroids with small circuits or cocircuits.
Tristan M. J. Denley, The University of Mississippi
Talmage J Reid*, The University of Mississippi
(93605101)

9:30 a.m.
Cycles for square matrices mod n.
Theresa P. Vaughan*, University of North Carolina at Greensboro
Ezra Brown, Virginia Polytechnic Institute & State Univ. %
(93615119)

10:00 a.m.
Using Graph Theory to Find the Genus of Fundamental Regions of Subgroups of $SL(2,Z)$.
Ezra Brown*, Virginia Tech
(93605111)

10:30 a.m.
Applications of Deza's Theorem.
Andras Gyarfas, Computer and Automation Institute, Hungarian Academy of Sciences
Andre Kezdy*, University of Louisville
Jeno Lehel, University of Louisville
(93605172)

Saturday October 10, 1998, 9:00 a.m.10:50 a.m.
Special Session on Abelian Groups and Modules, III
Room 112, Calloway Hall Organizers: Ulrich Albrecht, Auburn University albreuf@mail.auburn.edu

Saturday October 10, 1998, 11:10 a.m.12:00 p.m.
Invited Address
Unique and nonunique factorization in integral domains.
Pugh Auditorium, Benson University Center
David F. Anderson*, University of Tennessee, Knoxville
(9361369)

Saturday October 10, 1998, 1:25 p.m.2:15 p.m.
Invited Address
Structure of Attractors.
Pugh Auditorium, Benson University Center
Marcy Barge*, Montana State University
(93658233)

Saturday October 10, 1998, 2:30 p.m.5:20 p.m.
Special Session on Combinatorics and Graph Theory, IV
Room 117, Calloway Hall Organizers: Bruce Landman, University of North Carolina bmlandma@hamlet.uncg.edu

2:30 p.m.
Inverting random functions.
Mike A Steel, University of Canterbury
Laszlo A Szekely*, University of South Carolina
(9360531)

3:00 p.m.
The Cycling of Partitions and Compositions under Repeated Shifts.
Jerrold R. Griggs*, University of South Carolina
ChihChang Daniel Ho, University of South Carolina
(93605165)

3:30 p.m.
On kOrdered Graphs.
Jill R. Faudree, University of Alaska  Fairbanks
Ralph J. Faudree, University of Memphis
Ronald J. Gould*, Emory University
Michael S. Jacobson, University of Louisville
Linda Lesniak, Drew University
(93605122)

4:00 p.m.
Total Irredundance in Graphs.
Teresa WW Haynes, East Tennessee State University
Stephen TT Hedetniemi, Clemson University
Debra J Knisley*, East Tennessee State University
(93605125)

4:30 p.m.
Progress on Mod Sum Graphs.
Boland James*, East Tennessee State University
Wallace Christopher, East Tennessee State University
(93605140)

5:00 p.m.
From isospectral graphs and domains to isospectral networks.
TzongYow Lee*, University of Maryland
(9365216)

Saturday October 10, 1998, 2:30 p.m.5:50 p.m.
Special Session on Noncommutatuve Algebra, IV
Room 119, Calloway Hall Organizers: Ellen Kirkman, Wake Forest University kirkman@mthcsc.wfu.edu
James Kuzmanovich, Wake Forest University kuz@mthcsc.wfu.edu

2:30 p.m.
Exotic Differential Operators.
Thierry Levasseur, Universit\'e de Bretagne Occidentale, Brest, France
J T Stafford*, University of Michigan, Ann Arbor
(9361775)

3:00 p.m.
Weighted quantum planes and related regular algebras.
Darin R. Stephenson*, Hope College
(93616183)

3:30 p.m.
Line Schemes.
Brad Shelton, University of Oregon
Michaela Vancliff*, University of Texas at Arlington
(9361646)

4:00 p.m.
Some Homological Invariants of Local PI Algebras.
Quanshui Wu*, Univ. of Washington
James J. Zhang, Univ. of Washington
(93616236)

4:30 p.m.
Full embeddings of almost split sequences for splitbynilpotent extensions.
I. Assem, University of Sherbrooke
Dan Zacharia*, Syracuse University
(93616110)

5:00 p.m.
A noncommutative version of Watanabe theorem.
James J. Zhang*, University of Washington
(9361661)

5:30 p.m.
Phantoms in representation theory  remembrance of things finite.
Birge HuisgenZimmermann*, University of California
(93616146)

Saturday October 10, 1998, 2:30 p.m.5:50 p.m.
Special Session on Recent Results on the Topology of ThreeManifolds, IV
Room 3, Calloway Hall Organizers: Hugh Nelson Howards, Wake Forest University howards@wfu.edu

2:30 p.m.
Integral points on character varieties.
Darren Long, U.C.S.B.
Alan W. Reid*, University of Texas
(93657136)

3:00 p.m.
The YangMills Measure in the Kauffman Bracket Skein Module.
Doug Bullock*, University of Maryland
Charles Frohman, University of Iowa
Joanna KaniaBartoszynska, Boise State University
(93657162)

3:30 p.m.
Counting Heegaard Genus and Tunnel Number .
Martin G. Scharlemann, UCSB
Jennifer C. Schultens*, Emory University
(93657214)

4:00 p.m.
Intrinsically chiral colored graphs.
Erica L. Flapan*, Pomona College
David L. Li, Pomona College
(93657137)

4:30 p.m.
Simple closed curves and pseudoAnosov maps.
Shicheng Wang, Beijing University
YingQing Wu*, University of Iowa
Qing Zhou, Easten China Normal University
(93657160)

5:00 p.m.
Existence of Essential Laminations.
Rachel Roberts*, Washington University
(93657194)

5:30 p.m.
SL(2) characters of groups .
Feng Luo*, Rutgers University
(93657156)

Saturday October 10, 1998, 2:30 p.m.5:20 p.m.
Special Session on Commutative Ring Theory, IV
Room 20, Calloway Hall Organizers: David F. Anderson, University of Tennessee, Knoxville anderson@novell.math.utk.edu
Evan Houston, University of North Carolina, Charlotte fma00egh@unccvm.uncc.edu

2:30 p.m.
Overrings of Z[x].
Alan Loper*, Ohio State University  Newark
Francesca Tartarone, Universita "La Sapienza"
(9361362)

3:00 p.m.
On the Polynomial Equivalence of Subsets E and f(E) of Z.
Robert Gilmer, Florida State University
William W. Smith*, University of North Carolina at Chapel Hill
(9361347)

3:30 p.m.
Integral Domains for which every NonZero Ideal is Stable.
Bruce M Olberding*, Northeast Louisiana University
(9361395)

4:00 p.m.
Strongly Homogeneous Rings Extensions of a Domain.
Herman P. Goeters*, Auburn University
(9361323)

4:30 p.m.
Independent locallyfinite intersections of localizations.
Daniel D. Anderson, The University of Iowa
Muhammad Zafrullah*, The University of Iowa
(9361340)

5:00 p.m.
Prime Producing Sequences.
Joe L. Mott*, Florida State University
(93640187)

Saturday October 10, 1998, 2:30 p.m.4:20 p.m.
Special Session on Ergodic Theory, IV
Room 102, Guy T. Carswell Hall Organizers: Idris Assani, University of North Carolina, Chapel Hill assani@math.unc.edu

2:30 p.m.
Simplicial dynamical systems.
Ethan Akin*, The City College
(9362876)

3:00 p.m.
Measures that maximize weighted entropy for factor maps between subshifts of finite type.
Sujin Shin*, University of North Carolina at Chapel Hill
(93628153)

3:30 p.m.
Convergence of subsequential averages of admissible superadditive processes.
Dogan Comez*, North Dakota State University
(93628155)

4:00 p.m.
Absolutely continuous invariant measures for piecewise $C^2$ and expanding mappings of general domains in $R^N$.
Jiu Ding*, Univ. of Southern Mississippi
Aihui Zhou, Chinese Academy of Sciences
(9365807)

Saturday October 10, 1998, 2:30 p.m.5:50 p.m.
Special Session on Spectral Theory of Differential Equations and Applications, III
Room 101, Guy T. Carswell Hall Organizers: Dominic Clemence, North Carolina A&T University clemence@ncat.edu
Alexandra Kurepa, North Carolina A&T University kurepa@ncat.edu

2:30 p.m.
Uniqueness of steady states for thin film equations.
Richard S. Laugesen*, University of Illinois, UrbanaChampaign
Mary C. Pugh, University of Pennsylvania
(93634112)

3:00 p.m.
Some remarks about the inverse scattering problem for first order systems on the line .
Tuncay Aktosun, North Dakota State University
Martin Klaus*, Virginia Tech
Cor van der Mee, University of Cagliari
(93634188)

3:30 p.m.
Spectral Stability of Encapsulated Vortices in Nonlinear Wave Equations.
Robert L Pego, University of Maryland
Henry A Warchall*, University of North Texas
(9363594)

4:00 p.m.
Inverse Problems for Elastic Media.
Lizabeth V Rachele*, Tufts University
(93635213)

4:30 p.m.
Some Opial and Lyapunov Inequalities with Nonhomogenous Boundary Conditions.
Richard C Brown*, University of Alabama
Arlington M Fink, Iowa State University
Don B Hinton, University of Tennessee
(93634170)

5:00 p.m.
On sectorial operators and bouindary value problems.
Eduard R Tsekanovskii*, Department of Mathematics, Niagara University
(93647148)

5:30 p.m.
IceCovered Ocean Wave Guides and Operator Polynomials.
Boris P Belinskiy*, Department of Mathematics, University of Tennessee at Chattanooga
(9363415)

Saturday October 10, 1998, 2:30 p.m.3:50 p.m.
Special Session on Modern Methods in Set Theory and General Topology, IV
Room 10, Calloway Hall Organizers: Winfried Just, Ohio University just@bing.math.ohiou.edu
Paul Szeptycki, Ohio University szeptyck@bing.math.ohiou.edu

2:30 p.m.
Dspaces give a new characterization of semistratifiabity.
William G Fleissner*, University of Kansas
(9365478)

3:00 p.m.
Normal subspaces of finite products of ordinals.
Adrienne M Stanley*, Purdue University
(93654219)

3:30 p.m.
Ordered spaces with special dense subsets.
Harold R Bennett*, Texas Tech University
Robert W Heath, University of Pittsburgh
David J Lutzer, William and Mary
(93654118)

Saturday October 10, 1998, 2:30 p.m.5:20 p.m.
Special Session on Topology in Dynamics, IV
Room 17, Calloway Hall Organizers: Marcy Barge, Montana State UniversityBozeman barge@math.montana.edu
Krystyna M. Kuperberg, Auburn University kuperkm@mail.auburn.edu

2:30 p.m.
Knotted orbits in steady fluid flows.
John Etnyre, Stanford University
Robert Ghrist*, Georgia Tech
(93658174)

3:00 p.m.
Index bounds for selfmappings of twocomplexes.
Michael R Kelly*, Loyola University, New Orleans
(93657106)

3:30 p.m.
Symbolic Dynamics of the Collinear ThreeBody Problem.
Samuel R Kaplan*, Bowdoin College
(9363441)

4:00 p.m.
The convergence of an algorithm for calculating topological entropy.
S. Baldwin*, Auburn University
E. E. Slaminka, Auburn University
(93658231)

4:30 p.m.
Horseshoes and Billiards.
Judy Kennedy*, University of Delaware
(93658228)

5:00 p.m.
Toral invariants analogous to continued fractions.
Robert F. Williams*, Dept of Math, University of Texas, Austin, TX 787121082
(9365860)

Saturday October 10, 1998, 2:30 p.m.5:20 p.m.
Special Session on Operator Theory and Holomorphic Spaces, IV
Room 208, Guy T. Carswell Hall Organizers: Tavan T. Trent, University of Alabama ttrent@gp.as.ua.edu
Zhijian Wu, University of Alabama zwu@ua1vm.ua.edu

2:30 p.m.
Hermitian Matrix Completions of Band Matrices.
Hugo J Woerdeman*, The College of William and Mary
(93615121)

3:00 p.m.
Dirichlet spaces of $\cal M$harmonic functions on the unit ball in $\Bbb C^n$.
Manfred Stoll*, University of South Carolina
(9363292)

3:30 p.m.
Sampling measures for Bergman spaces on the unit disk.
Daniel H Luecking*, University of Arkansas
(9363071)

4:00 p.m.
Loewner's theorem for kernels having a finite number of negative squares.
Daniel Alpay, BenGurion University of the Negev
James Rovnyak*, University of Virginia
(9364788)

4:30 p.m.
Boundedness of Higher Order Hankel Forms and Factorization in Potential Sapces.
Sarah Ferguson, Wayne State University
Richard Rochberg*, Washington University
(93646209)

5:00 p.m.
Compactness Criteria for Holomorphic Composition Operators on the Hardy and Bergman Spaces of the Unit Ball in ${\bf C}^n$.
Dana Dwight Clahane*, University of California, Irvine
(93647232)

Saturday October 10, 1998, 2:30 p.m.3:40 p.m.
Session for Contributed Papers
Room 112, Calloway Hall

2:30 p.m.
Path Stability and Nonlinear Weak Ergodic Theorems.
YongZhuo Chen*, University of Pittsburgh at Bradford
(9364745)

2:45 p.m.
The betashift, expansions of 1, and pumping lemmas.
Kimberly C. Johnson*, University of North Carolina at Chapel Hill
(93658202)

3:00 p.m.
Shifts on Banach spaces.
M. Rajagopalan*, Tennessee State University
K. Sundaresan, Cleveland State University
(93646130)

3:15 p.m.
Tessellations of Moduli Spaces and the Mosaic Operad.
Satyan L Devadoss*, Johns Hopkins University
(93655131)

3:30 p.m.
A Supplemental Bibliography on Mathematics Within the Scientific Method.
G. Arthur Mihram*, Princeton, NJ
Danielle Mihram, Univ of Southern California
(93698143)
Inquiries: meet@ams.org

