
AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:09:23
Program 
Deadlines 
Inquiries: meet@ams.org
1995 Fall Southern Sectional Meeting
Greensboro, NC, November 1718, 1995
Meeting #906
Associate secretaries: Robert J Daverman, AMS daverman@math.utk.edu
Friday November 17, 1995

Friday November 17, 1995, 8:00 a.m.10:50 a.m.
Special Session on Control and Optimization Design Arising in Industrial Processes, I
Kitty Hawk, Greensboro Hilton Hotel Organizers: H. T. Tran, North Carolina State University

8:00 a.m.
Ocean current data blending.
Jason J. Brown, Applied Mathematics Incorporated, Gales Ferry, Connecticut
William J. Browning*, Applied Mathematics Incorporated, Gales Ferry, Connecticut
Ben Fitzpatrick, Jr., North Carolina State University
(90662199)

8:30 a.m.
Modeling and optimal reactor design for a high pressure vapor transport reactor.
Jeffrey S. Scroggs*, North Carolina State University
H. Thomas Banks, North Carolina State University
Kazufumi Ito, North Carolina State University
H. T. Tran, North Carolina State University
(90676197)

9:00 a.m.
Applications of electromagnetism.
Yun Wang*, Armstrong Laboratory
(90678196)

9:30 a.m.
Optimal design using the boundary element method.
Jeff Borggard*, Virginia Polytech Institute & State University
(90649203)

10:00 a.m.
Computational furnace modeling.
Marc B. Reider*, IBM
(90680198)

10:30 a.m.
Particle suspension in a rotating drum chamber.
Bahman Asgharian*, Chemical Industry Institute of Toxicology, Research Triangle Park, North Carolina
Owen Moss, Chemical Industry Institute of Toxicology, Research Triangle Park, North Carolina
(90670202)

Friday November 17, 1995, 8:00 a.m.10:50 a.m.
Special Session on SetTheoretic Topology, I
Triad Ballroom Central, Greensboro Hilton Hotel Organizers: Jerry E. Vaughan, University of North Carolina, Greensboro

8:00 a.m.
Cardinal functions on initial chain algebras.
Lynne A. Baur*, Carleton College
(90606113)

8:30 a.m.
Linearly ordered topological semigroups.
Robert W. Heath*, University of Pittsburgh, Pittsburgh
(90654142)

9:00 a.m.
The existence of a scale implies the existence of a Michael space.
L. Brian Lawrence*, George Mason University
(90654200)

9:30 a.m.
Pliable subsets of ordered topological spaces.
Joe D. Mashburn*, University of Dayton
(90654175)

10:00 a.m.
Isocompactness and related properties.
Howard H. Wicke*, Ohio University, Athens
(90654137)

10:30 a.m.
The fine topology on $C(X)$ and cardinal functions.
Robert A. McCoy*, Virginia Polytech Institute & State University
(90654193)

Friday November 17, 1995, 8:00 a.m.10:50 a.m.
Special Session on Complexity Theory, I
Triad Ballroom West, Greensboro Hilton Hotel Organizers: Jie Wang, University of North Carolina, Greensboro

8:00 a.m.
The complexity of matrix rank and feasible systems of linear equations.
Eric W. Allender*, Rutgers University, Piscataway
Robert Beals, Institute for Advanced Study
Mitsunori Ogihara, University of Rochester
(9066826)

8:30 a.m.
Comparing complexity classes.
Ronald V. Book*, University of California, Santa Barbara
(9066828)

9:00 a.m.
The resolution of a Hartmanis conjecture: $P$sparse hard sets.
JinYi Cai*, State University of New York, Buffalo
D. Sivakumar, State University of New York, Buffalo
(9066829)

9:30 a.m.
The bounded query complexity of $NP$approximation problems.
Richard Chang*, University of Maryland, Baltimore County
(9066830)

10:00 a.m.
Inverting Onto functions.
Stephen A. Fenner*, University of Southern Maine
Lance J. Fortnow, University of Chicago
Ashish Naik, University of Chicago
John Rogers, University of Chicago
(9066831)

10:30 a.m.
Sharply bounded alternation within $P$.
Stephen A. Bloch, Adelphi University
Jonathan F. Buss, University of Waterloo
Judy Goldsmith*, University of Kentucky
(9066832)

Friday November 17, 1995, 8:30 a.m.10:50 a.m.
Special Session on Geometric Group Theory, I
Southern Crescent BallroomVirginia, Greensboro Hilton Hotel Organizers: Mark E. Feighn, Rutgers University, New Brunswick
Michael Handel, Herbert H. Lehman College, City University of New York

8:30 a.m.
Cerf theory for graphs.
Allen E. Hatcher, Cornell University, Ithaca
Karen Vogtmann*, Cornell University, Ithaca
(9062059)

9:00 a.m.
Local growth of subgroups of Lie groups and a discreteness criterion.
Eleanor G. Rieffel*, University of Southern California
(9062270)

9:30 a.m.
All automorphisms of free groups with max rank fixed subgroups.
Edward C. Turner*, State University of New York, Albany
Donald J. Collins, Queen Mary & Westfield College, London, England
(9062068)

10:00 a.m.
Boundaries and $L^2$cohomology for finitely generated groups.
Gabor Elek*, Purdue University, West Lafayette
(9062012)

10:30 a.m.
Counting fixed points of automorphisms of free groups.
Gilbert Levitt*, Universit\'e Paul Sabatier, France
(9062062)

Friday November 17, 1995, 8:30 a.m.10:50 a.m.
Special Session on Number Theory and Related Topics, I
Southern Cresent BallroomGeorgia, Greensboro Hilton Hotel Organizers: Theresa P. Vaughan, University of North Carolina, Greensboro

8:30 a.m.
Explicit formulas for degenerate Bernoulli numbers.
Fredric T. Howard*, Wake Forest University
(9061116)

9:00 a.m.
The Fibonacci triangle modulo $p$.
Brad L. Wilson*, State University of New York, College at Brockport
(9061154)

9:30 a.m.
Rigorous discrete logarithm algorithms.
Carl Pomerance*, University of Georgia
(90611159)

10:00 a.m.
Directed graphs defined by arithmetic $(mod $n$)$.
Ezra A. Brown*, Virginia Polytech Institute & State University
(9061153)

10:30 a.m.
Dispelling myths about mathematics: A look at some of Leonard Eugene Dickson's numbertheoretic work.
Della Dumbaugh Fenster*, University of Richmond
(90601107)

Friday November 17, 1995, 9:00 a.m.10:50 a.m.
Special Session on Theory of Ordered Sets, I
Blue Ridge, Greensboro Hilton Hotel Organizers: Bernd S. W. Schroeder, Hampton University

9:00 a.m.
Problems related to the fixed point property for products of ordered sets.
Bernd Schroeder*, Hampton University
(9060693)

9:30 a.m.
Perfect sequences of chaincomplete posets.
Jonathan David Farley*, University of Oxford, England
(90606167)

10:00 a.m.
Several complexity problems involving ordered sets.
Dwight A. Duffus*, Emory University
Ted Goddard, Emory University
(90606158)

10:30 a.m.
Discussion

Friday November 17, 1995, 9:00 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics of Posets and Tableaux, I
Southern Cresent BallroomCarolina, Greensboro Hilton Hotel Organizers: Lynne M. Butler, Haverford College
Curtis Greene, Haverford College

9:00 a.m.
On a conjecture of Iztok Hozo.
Philip J. Hanlon*, University of Michigan, Ann Arbor
(90605115)

9:30 a.m.
The $d$divisible subspace arrangement and generalizations: Cohomology representations.
Sheila Sundaram*, University of Miami
(90616144)

10:00 a.m.
Planar decompositions of tableaux and Schur function determinants.
Angele Marie Hamel, University of Waterloo
Ian P. Goulden*, University of Waterloo
(90605128)

10:30 a.m.
MurnaghanNakayama rules for characters of IwahoriHecke algebras of the complex reflection groups $G(r,p,n)$.
Thomas M. Halverson*, Macalester College
Arun Ram, University of Sydney, Australia
(90616152)

Friday November 17, 1995, 11:05 a.m.11:55 a.m.
Invited Address
Modeling, estimation and control in smart material systems.
Governor's Ballroom, Greensboro Hilton Hotel
H. Thomas Banks*, North Carolina State University
(9060005)

Friday November 17, 1995, 1:10 p.m.2:00 p.m.
Invited Address
Iteration of complex polynomials.
Governor's Ballroom, Greensboro Hilton Hotel
Bodil Branner*, Technical University of Denmark, Denmark
(9063007)

Friday November 17, 1995, 2:15 p.m.5:05 p.m.
Special Session on Complex Dynamics, I
Triad Ballroom West, Greensboro Hilton Hotel Organizers: Bodil Branner, Technical University of Denmark

2:15 p.m.
External rays and Cremer polynomials.
Jan B. Kiwi*, State University of New York, Stony Brook
(9065776)

2:45 p.m.
Local connectivity of Julia sets for quadratic polynomials with a fixed, constant type Siegel disc.
Carsten Lunde Petersen*, Mathematical Institute, Denmark
(90630110)

3:15 p.m.
Boundaries of certain Siegel disks of rational functions.
James T. Rogers, Jr.*, Tulane University
(9065879)

3:45 p.m.
Commuting polynomials and polynomials with same Julia set.
Pau Atela*, Smith College
Jun Hu, Graduate School and University Center, City University of New York
(9063074)

4:15 p.m.
Nonsingularity in QuasiFuchsian space.
Linda Keen*, Lehman College
Caroline Series, University of Warwick, United Kingdom
(90630204)

4:45 p.m.
Discrete harmonic functions.
Tomasz Dubejko*, Northwestern University
(9063071)

Friday November 17, 1995, 2:15 p.m.5:35 p.m.
Special Session on Geometric Topology, I
Cape Fear, Greensboro Hilton Hotel Organizers: Alexander Chigogidze, University of Saskatchewan
Richard B. Sher, University of North Carolina, Greensboro

2:15 p.m.
Limits of polyhedra in GromovHausdorff space.
Steven C. Ferry*, State University of New York, Binghamton
(90653166)

2:45 p.m.
Cores of noncompact manifolds.
Gerard A. Venema*, Calvin College
(90657102)

3:15 p.m.
Extension theory: The interface between settheoretic and algebraic topology.
Jerzy Dydak*, University of Tennessee, Knoxville
(90655108)

3:45 p.m.
On Ohtsuki's invariants of integral homology $3$spheres.
XiaoSong Lin, Columbia University
Zhenghan Wang*, University of Michigan, Ann Arbor
(9065748)

4:15 p.m.
Combinatorial properties of pairs of transverse measured foliations without saddle connections on a compact surface.
Lev Slutskin*, New York, New York
(9065847)

4:45 p.m.
Stable intersections with planes and dimension.
Alexander Nikolaevich Dranishnikov*, University of Miami
(9065402)

5:15 p.m.
On properties of minimal triangulations of spheres.
Ivan Ivansic*, University of Zagreb, Croatia
(9065746)

Friday November 17, 1995, 2:15 p.m.4:35 p.m.
Special Session on Geometric Group Theory, II
Southern Crescent BallroomVirginia, Greensboro Hilton Hotel Organizers: Mark E. Feighn, Rutgers University, New Brunswick
Michael Handel, Herbert H. Lehman College, City University of New York

2:15 p.m.
Normal subgroups and end invariants of groups.
Michael L. Mihalik*, Vanderbilt University
(9062057)

2:45 p.m.
Local connectivity of certain amalgamated products.
Michael L. Mihalik, Vanderbilt University
Kim E. Ruane*, Florida State University
(9062060)

3:15 p.m.
Higher geometric invariants of graph groups.
John E. Meier*, Lafayette College
Leonard A. VanWyk, Hope College
(9062058)

3:45 p.m.
Rewriting systems and $3$manifold groups.
Susan M. Hermiller*, New Mexico State University, Las Cruces
(90620183)

4:15 p.m.
Kernels of actions on nonpositively curved spaces.
Robert Bieri, University of Frankfurt, Germany
Ross Geoghegan*, State University of New York, Binghamton
(9062061)

Friday November 17, 1995, 2:15 p.m.5:05 p.m.
Special Session on Quantum KacMoody Lie Algebras and Related Topics, I
Kitty Hawk, Greensboro Hilton Hotel Organizers: Naihuan Jing, North Carolina State University
Kailash C. Misra, North Carolina State University

2:15 p.m.
On the equality of Krull and global dimensions.
Ellen E. Kirkman*, Wake Forest University
James J. Kuzmanovich, Wake Forest University
(90616109)

2:45 p.m.
AuslanderGorenstein rings and their injective resolutions.
Kaushal Ajitabh, University of Texas, Austin
S. Paul Smith, University of Washington
James Zhang*, University of Washington
(9061687)

3:15 p.m.
Quantum group constructions.
Edward L. Green*, Virginia Polytechnic Institute and State University
(9061604)

3:45 p.m.
Automorphisms of vertex operator algebras.
Robert Louis Griess, Jr.*, University of Michigan, Ann Arbor
(90617119)

4:15 p.m.
The structure of generalized KacMoody algebras.
Elizabeth Graf Jurisich*, University of Chicago
(90617148)

4:45 p.m.
Quantum deformations of the imaginary Verma modules of $A_1^{(1)}$.
Duncan J. Melville*, Saint Lawrence University
(9061785)

Friday November 17, 1995, 2:15 p.m.5:35 p.m.
Special Session on Nonlinear Boundary Value Problems, I
Triad Ballroom East, Greensboro Hilton Hotel Organizers: Alexandra Kurepa, North Carolina A & T State University
Stephen B. Robinson, Wake Forest University

2:15 p.m.
Existence of symmetric deformations of membrane caps.
John V. Baxley*, Wake Forest University
(9063496)

2:45 p.m.
On energy estimates for nonlinear wave equations with nonautonomous damping.
Xiaodong Zhu*, University of Minnesota, Minneapolis
(90635172)

3:15 p.m.
Existence and asymptotic behavior for semilinear periodicparabolic equations with nonlinear boundary conditions.
Mubenga Ngandu Nkashama*, University of Alabama, Birmingham
(90635188)

3:45 p.m.
Nonsymmetric solutions to elliptic problems on symmetric regions.
Alfonso Castro*, University of North Texas
(90635147)

4:15 p.m.
Perturbations of the $p$Laplacian on bounded and on cylindrical domains.
David G. Costa*, University of Nevada, Las Vegas
(90635145)

4:45 p.m.
Strongly indefinite systems and Floer homology.
Robert C. Vandervorst*, Georgia Institute of Technology
Sigurd B. Angenent, University of Wisconsin, Madison
(9064918)

5:15 p.m.
A quasilinear singular boundary value problem.
Y. S. Choi*, University of Connecticut, Storrs
Patrick J. McKenna, University of Connecticut, Storrs
Alan C. Lazer, University of Miami
(90635179)

Friday November 17, 1995, 2:15 p.m.5:35 p.m.
Special Session on SetTheoretic Topology, II
Triad Ballroom Central, Greensboro Hilton Hotel Organizers: Jerry E. Vaughan, University of North Carolina, Greensboro

2:15 p.m.
A non normal product.
Mary E. Rudin*, University of Wisconsin, Madison
(9065415)

2:45 p.m.
The metrizability number and related invariants of spaces. Part {\rm I}.
Mohammad Ismail*, Slippery Rock University of Pennsylvania
Andrzej Szymanski, Slippery Rock University of Pennsylvania
(90654125)

3:15 p.m.
The metrizability number and related invariants of spaces. Part {\rm II}.
Mohammad Ismail, Slippery Rock University of Pennsylvania
Andrzej Szymanski*, Slippery Rock University of Pennsylvania
(90654126)

3:45 p.m.
The specialization in skew compact spaces.
Ralph D. Kopperman*, City College, City University of New York
(90654133)

4:15 p.m.
The classification of metrics and multivariate data analysis.
Stephen Watson*, York University
(90654177)

4:45 p.m.
Realcompactness vs. pseudocompactness.
Charles E. Aull*, Virginia Polytech Institute & State University
(9065498)

5:15 p.m.
When is an initially $\omega_1$ compact separable $T_3$ space compact?
I. Juhasz*, Magyar Tudomanyos Akademia, Budapest, Hungary
(90654191)

Friday November 17, 1995, 2:15 p.m.5:05 p.m.
Special Session on Number Theory and Related Topics, II
Southern Cresent BallroomGeorgia, Greensboro Hilton Hotel Organizers: Theresa P. Vaughan, University of North Carolina, Greensboro

2:15 p.m.
On Dickson polynomials, R\'edei functions, and formal group laws.
Paul T. Young*, University of Charleston
(90611141)

2:45 p.m.
An explicit upper bound of the Riemann zeta function in the critical strip.
Yuanyou Cheng*, University of Georgia
(90611192)

3:15 p.m.
Approximations to $\pi$ via modular equations for the Dedekind $\eta$function.
Frank G. Garvan*, University of Florida
(90611160)

3:45 p.m.
The average witness is $2$.
Ronald Joseph Burthe, Jr.*, University of Georgia
(9061120)

4:15 p.m.
Some rook polynomials with real roots related to hypergeometric series.
James B. Haglund*, University of Illinois, UrbanaChampaign
(90611118)

4:45 p.m.
Computations of class numbers of quadratic fields.
Anitha Srinivasan*, University of Georgia
(90611205)

Friday November 17, 1995, 2:15 p.m.6:05 p.m.
Special Session on Complexity Theory, II
Blue Ridge, Greensboro Hilton Hotel Organizers: Jie Wang, University of North Carolina, Greensboro

2:15 p.m.
Tree canonization and transitive closure.
Kousha Etessami, University of Massachusetts, Amherst
Neil Immerman*, University of Massachusetts, Amherst
(9066837)

2:45 p.m.
The study on the computation theory over ordered rings and fields.
Li Xiang*, Guizhou University, People's Republic of China
Li Guangyuan, Guizhou University, People's Republic of China
Song Ronggong, Guizhou University, People's Republic of China
(9066839)

3:15 p.m.
Resource bounded measure, then and now.
Luc Longpre*, University of Texas, El Paso
(9066840)

3:45 p.m.
Observations on measure and lowness for $\Delta_2^P$.
Jack H. Lutz*, Iowa State University
(9066825)

4:15 p.m.
Independence properties of algorithmically random sequences.
Steven M. Kautz*, RandolphMacon Woman's College
(9066838)

4:45 p.m.
The $PL$ hierarchy collapses.
Mitsunori Ogihara*, University of Rochester
(9066841)

5:15 p.m.
Applications of errorcorrecting codes in complexity theory.
Kenneth W. Regan*, State University of New York, Buffalo
(9066842)

5:45 p.m.
Nonimmunity of $NEXP$complete sets.
Nicholas Tran*, University of Pennsylvania
(9066845)

Friday November 17, 1995, 2:15 p.m.5:05 p.m.
Special Session on Algebraic Combinatorics of Posets and Tableaux, II
Southern Cresent BallroomCarolina, Greensboro Hilton Hotel Organizers: Lynne M. Butler, Haverford College
Curtis Greene, Haverford College

2:15 p.m.
Subset sums spanning abelian groups.
Jerrold Robinson Griggs*, University of South Carolina, Columbia
(90605162)

2:45 p.m.
Unimodality and Schur functions.
Victor S. Reiner, University of Minnesota, Minneapolis
Dennis W. Stanton*, University of Minnesota, Minneapolis
(90605120)

3:15 p.m.
Bitableaux bases for diagonally invariant polynomial quotient rings.
Edward E. Allen*, Wake Forest University
(9060581)

3:45 p.m.
Plane partitions and reduced words.
Sergey Fomin*, Massachusetts Institute of Technology
Anatolii Nikolaevich Kirillov, University of Tokyo, Japan
(90605105)

4:15 p.m.
Super Catalan numbers.
Ira M. Gessel*, Brandeis University
(90605153)

4:45 p.m.
Polynomiality of entries in the Macdonald $q,t$ Kostka table.
Adriano M. Garsia*, University of California at San Diego, La Jolla
(90605150)
Saturday November 18, 1995

Saturday November 18, 1995, 8:00 a.m.10:50 a.m.
Special Session on Complex Dynamics, II
Triad Ballroom West, Greensboro Hilton Hotel Organizers: Bodil Branner, Technical University of Denmark

8:00 a.m.
Feigenbaum universality and Milnor's hairiness conjecture.
M. Lyubich*, State University of New York, Stony Brook
(90630163)

9:00 a.m.
Renormalization and boundary of chaos.
Jun Hu*, Rutgers University, Newark
(9063078)

9:30 a.m.
Box mappings, Hausdorff dimension and nonrenormalizable quadratic polynomials.
Jacek Graczyk*, California Institute of Technology
(90630103)

10:00 a.m.
Renormalization method in quadratic polynomials.
Yunping Jiang*, Queens College, City University of New York
(9063077)

10:30 p.m.
Complex bounds for real quadratics and for critical circle maps.
Michael Yuzy Yampolsky*, State University of New York at Stony Brook
(9063011)

Saturday November 18, 1995, 8:00 a.m.10:50 a.m.
Special Session on Geometric Topology, II
Blue Ridge, Greensboro Hilton Hotel Organizers: Alexander Chigogidze, University of Saskatchewan
Richard B. Sher, University of North Carolina, Greensboro

8:00 a.m.
On the HilbertSmith conjecture.
Dusan Repovs*, University of Ljubljana, Slovenia
(9065717)

8:30 a.m.
The shape of attractors in Menger manifolds.
Judy Anita Kennedy*, University of Delaware
(90654130)

9:00 a.m.
Projections of planar Cantor sets in potential theory.
Jan J. Dijkstra*, University of Alabama, Tuscaloosa
Jan van Mill, Vrije University, Amsterdam
(90631117)

9:30 a.m.
On the cohomological structure within manifold decompositins of manifolds.
David F. Snyder*, Southwest Texas State University
(90657207)

10:00 a.m.
Towards characterization of N\"obeling space.
Edward D. Tymchatyn*, University of Saskatchewan
(90657185)

10:30 a.m.
Closed subgroups in Banach spaces.
Tadeusz W. Dobrowolski*, Pittsburg State University
(9065590)

Saturday November 18, 1995, 8:00 a.m.10:50 a.m.
Special Session on Geometric Group Theory, III
Southern Crescent BallroomVirginia, Greensboro Hilton Hotel Organizers: Mark E. Feighn, Rutgers University, New Brunswick
Michael Handel, Herbert H. Lehman College, City University of New York

8:00 a.m.
Morse theory and finiteness properties of groups.
Mladen Bestvina, University of Utah
Noel Patrick Brady*, University of Utah
(9062066)

8:30 a.m.
Hyperbolic groups with Pontryagin space boundary.
Sean T. Cleary*, University of Pennsylvania
(9062023)

9:00 a.m.
Combinatorial moduli and finite subdivision rules.
James W. Cannon, Brigham Young University
William J. Floyd*, Virginia Polytech Institute & State University
Walter R. Parry, Eastern Michigan University
(9062056)

9:30 a.m.
Sufficiently rich families of planar rings.
James W. Cannon, Brigham Young University
William J. Floyd, Virginia Polytech Institute & State University
Walter R. Parry*, Eastern Michigan University
(9062063)

10:00 a.m.
Polygonal complexes, combinatorial and geometric properties.
Nadia Benakli*, Columbia University
(9062067)

10:30 a.m.
A complex for $GL_2$ and the nonfinite presentability of $IA(F_3)$.
Sava Krstic*, Tufts University
James McCool, University of Toronto
(90620156)

Saturday November 18, 1995, 8:00 a.m.10:50 a.m.
Special Session on Quantum KacMoody Lie Algebras and Related Topics, II
Triad Ballroom Central, Greensboro Hilton Hotel Organizers: Naihuan Jing, North Carolina State University
Kailash C. Misra, North Carolina State University

8:00 a.m.
On the classification of rank $24$ vertex operator algebras.
Julie S. Glass*, California State University, Hayward
(90617161)

8:30 a.m.
Superconformal symmmetry and supergeometric vertex operator algebras.
Katrina Deane Barron*, Rutgers University, New Brunswick
(90617129)

9:00 a.m.
Twisted representations of vertex operator algebras.
Chongying Dong*, University of California, Santa Cruz
Haisheng Li, University of California, Santa Cruz
Geoffrey Mason, University of California, Santa Cruz
(90617127)

9:30 a.m.
Generalized BatalinVilkovisky algebras.
Fusun Akman*, Cornell University, Ithaca
(9061784)

10:00 a.m.
Fusion rules for minimal models from cyclic groups.
Fusun Akman, Cornell University, Ithaca
Alex J. Feingold*, State University of New York, Binghamton
Michael David Weiner, Colgate University
(90617121)

10:30 a.m.
Real characters for Demazure modules of rank two affine Lie algebras.
Yasmine B. Sanderson*, Universit\'e Louis Pasteur, France
(9061783)

Saturday November 18, 1995, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Boundary Value Problems, II
Triad Ballroom East, Greensboro Hilton Hotel Organizers: Alexandra Kurepa, North Carolina A & T State University
Stephen B. Robinson, Wake Forest University

8:00 a.m.
Positive solutions for a concave semipositone Dirichlet problem.
Alfonso Castro, University of North Texas
Ratnasingham Shivaji*, Mississippi State University
(9063519)

8:30 a.m.
Explosive nonnegative solutions to twopoint boundary value problems.
V. Anuradha*, Plano, Texas
(90634173)

9:00 a.m.
A characterization of Lie generators of nonlinear semigroups.
J. W. Neuberger*, University of North Texas
James R. Dorroh, Louisiana State University, Baton Rouge
(90635146)

9:30 a.m.
Sch\"odinger semigroups with singular potentials.
Jerome A. Goldstein*, Louisiana State University, Baton Rouge
(90647111)

10:00 a.m.
Minimization problems for noncoercive functionals subject to constraints.
Vy Khoi Le*, University of Colorado, Boulder
Klaus Schmitt, University of Utah
(90635187)

10:30 a.m.
On competition mediated coexistance.
Robert Stephen Cantrell*, University of Miami
James R. Ward, Jr., University of Alabama, Birmingham
(90692186)

Saturday November 18, 1995, 8:00 a.m.10:50 a.m.
Special Session on Number Theory and Related Topics, III
Southern Cresent BallroomGeorgia, Greensboro Hilton Hotel Organizers: Theresa P. Vaughan, University of North Carolina, Greensboro

8:00 a.m.
A permutation associated with $GF(2^n)$.
Theresa Phillips Vaughan*, University of North Carolina, Greensboro
(9060552)

8:30 a.m.
Generating permutations using the transpositions $\{ (1,n), (2,n),\ldots , (n1,n)\}$.
Frederick J. Portier*, Mount Saint Mary's College
(90605135)

9:00 a.m.
Permutation polynomials over a finite field satisfying a difference equation. {\rm II}.
Robert M. McConnel*, University of Tennessee, Knoxville
(90612138)

9:30 a.m.
The radical factors of $f(x)f(y)$ over finite fields.
Maria T. Acosta, Pennsylvania State University, New Kensington Campus
Javier GomezCalderon*, Pennsylvania State University, New Kensington Campus
(90611136)

10:00 a.m.
On the divisibility of certain partition functions by small powers of $2$.
Krishnaswami Alladi*, University of Florida
(9061113)

10:30 a.m.
Divisibility of certain partition functions by powers of primes.
Ken Ono*, Institute for Advanced Study
(9060551)

Saturday November 18, 1995, 8:30 a.m.10:50 a.m.
Special Session on Theory of Ordered Sets, II
Kitty Hawk, Greensboro Hilton Hotel Organizers: Bernd S. W. Schroeder, Hampton University

8:30 a.m.
Reduced idempotents in the semigroup of Boolean matrices.
Janusz Konieczny*, Mary Washington College
(9062094)

9:00 a.m.
The "Proper versus unit" question for some generalizations of interval orders.
Kenneth P. Bogart*, Dartmouth College
(90606165)

9:30 a.m.
On the equational theory of orthocomplemented modular lattices.
Christian Herrmann, Technische Hochschule Darmstadt, Germany
Michael S. Roddy*, Brandon University
(90606170)

10:00 a.m.
Some results concerning a chain transversing an antichain partition.
Dwight A. Duffus, Emory University
Ted Goddard*, Emory University
(90606157)

10:30 a.m.
The complexity of cover graph recognition for some varieties of finite lattices.
V. Rodl, Emory University
Lubos Thoma*, Emory University
(90606190)

Saturday November 18, 1995, 9:00 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics of Posets and Tableaux, III
Southern Cresent BallroomCarolina, Greensboro Hilton Hotel Organizers: Lynne M. Butler, Haverford College
Curtis Greene, Haverford College

9:00 a.m.
Alternating Baxter permutations and polytopes.
Rodica E. Simion*, George Washington University
(90605151)

9:30 a.m.
Domino tilings of planar regions and alternating sign patterns.
Mihai A. Ciucu*, University of Michigan, Ann Arbor
(9065292)

10:00 a.m.
Catalan lattices, classifying tableau descriptions, and hook length posets.
Robert A. Proctor*, University of North Carolina, Chapel Hill
(90605134)

10:30 a.m.
The LittlewoodRichardson rule and consistent triples of integers.
Glenn D. Appleby*, Santa Clara University
Tamsen Whitehead, Santa Clara University
(9060580)

Saturday November 18, 1995, 9:00 a.m.10:40 a.m.
General Session I
Cape Fear, Greensboro Hilton Hotel

9:00 a.m.
The explicit formula for finding transversal homoclinical orbits.
Lev Lerman, Research Institute for Applied Math and Cybernetics, Russia
Ya Umanskiy*,
(9063475)

9:15 a.m.
Estimates for discrete spherical maximal operators.
Akos Magyar*, Institute for Advanced Study
(9069999)

9:30 a.m.
Congruence properties of multiple harmonic sums.
Michael E. Hoffman*, United States Naval Academy
Courtney H. Moen, United States Naval Academy
(9061197)

9:45 a.m.
The relativity theories mathematically rejected: Historical perspective.
G. Arthur Mihram*, Princeton, New Jersey
Danielle Mihram, University of Southern California
(90683139)

10:00 a.m.
Unique controllability of damped wave equation and spectral analysis of a class of nonselfadjoint operators.
Marianna A. Shubov*, Texas Tech University
(90693106)

10:15 a.m.
Functional integration on spaces of connections.
Stephen F. Sawin*, Massachusetts Institute of Technology
John C. Baez, University of California, Riverside
(9068349)

10:30 a.m.
Independence results in topology below $ZF$.
Stephen Watson*, York University
(90655176)

Saturday November 18, 1995, 11:05 a.m.11:55 a.m.
Invited Address
Rtrees in geometry, topology, and group theory.
Governor's Ballroom, Greensboro Hilton Hotel
Mladen Bestvina*, University of Utah
(9062006)

Saturday November 18, 1995, 1:10 p.m.2:00 p.m.
Invited Address
Partially ordered sets and tableaux.
Governor's Ballroom, Greensboro Hilton Hotel
Curtis Greene*, Haverford College
(9060508)

Saturday November 18, 1995, 2:15 p.m.4:35 p.m.
Special Session on Complex Dynamics, III
Triad Ballroom West, Greensboro Hilton Hotel Organizers: Bodil Branner, Technical University of Denmark

2:15 p.m.
Rational maps with no absolutely continuous $\sigma$finite invariant measure.
Jane M. Hawkins*, University of North Carolina, Chapel Hill
Henk Bruin, University of ErlangenNuremberg, Germany
(9065873)

2:45 p.m.
Conservative exact or attracting rational maps.
Julia A. Barnes*, University of North Carolina, Chapel Hill
(9065872)

3:15 p.m.
Wandering components of the Julia set.
Kevin M. Pilgrim*, Cornell University, Ithaca
(9065889)

3:45 p.m.
A construction of ergodic analytic maps of $CP^2$.
Lorelei M. Koss*, University of North Carolina, Chapel Hill
(90658122)

4:15 p.m.
Algebraic dynamics: Contraction, finiteness, and transversality principles.
Adam Lawrence Epstein*, State University of New York, Stony Brook
(9063009)

Saturday November 18, 1995, 2:15 p.m.5:05 p.m.
Special Session on Geometric Group Theory, IV
Southern Crescent BallroomVirginia, Greensboro Hilton Hotel Organizers: Mark E. Feighn, Rutgers University, New Brunswick
Michael Handel, Herbert H. Lehman College, City University of New York

2:15 p.m.
Symmetric patterns of geodesics and surface automorphisms.
Richard Schwartz*, University of Maryland, College Park
(90651104)

2:45 p.m.
Generalizations of the outer space and collapses of graphs of groups.
Renfang Jiang*, Michigan Technological University
(9062095)

3:15 p.m.
An example of a nonquasiconvex subgroup of a word hyperbolic group with exotic limit set.
Ilya Kapovich*, Graduate School and University Center, City University of New York
(9062021)

3:45 p.m.
Normal forms for free group automorphisms.
Martin Lustig*, Ruhr University, Germany
(9062014)

4:15 p.m.
Quasiisometries and BaumslagSolitar groups.
Lee D. Mosher*, Rutgers University, Newark
Benson S. Farb, University of Chicago
(90620101)

4:45 p.m.
A nonpositively curved squared complex with no finite covers.
Daniel Wise*, Princeton University
(90620206)

Saturday November 18, 1995, 2:15 p.m.5:35 p.m.
Special Session on Quantum KacMoody Lie Algebras and Related Topics, III
Kitty Hawk, Greensboro Hilton Hotel Organizers: Naihuan Jing, North Carolina State University
Kailash C. Misra, North Carolina State University

2:15 p.m.
Picard group of the moduli space of $G$bundles.
Shrawan Kumar*, University of North Carolina, Chapel Hill
(90617112)

2:45 p.m.
KZB equation and quantum manybody systems.
Giovanni Felder*, University of North Carolina, Chapel Hill
(9061786)

3:15 p.m.
The SH Lie algebra structure of closed string field theory.
Ronald O. Fulp, North Carolina State University
Thomas J. Lada, North Carolina State University
James D. Stasheff*, University of North Carolina, Chapel Hill
(90617155)

3:45 p.m.
SH Lie algebras in higher spin field theory.
Ronald O. Fulp, North Carolina State University
Thomas J. Lada*, North Carolina State University
James D. Stasheff, University of North Carolina, Chapel Hill
(90617154)

4:15 p.m.
Stratifying endomorphism algebras.
Brian J. Parshall*, University of Virginia
(90620168)

4:45 p.m.
Graded algebras arising from representation theory and their $GK$dimensions.
Zongzhu Lin*, Kansas State University
(90617149)

5:15 p.m.
Quantum linear groups and canonical bases.
Jie Du*, University of New South Wales, Australia
(90617195)

Saturday November 18, 1995, 2:15 p.m.5:05 p.m.
Special Session on Nonlinear Boundary Value Problems, III
Triad Ballroom East, Greensboro Hilton Hotel Organizers: Alexandra Kurepa, North Carolina A & T State University
Stephen B. Robinson, Wake Forest University

2:15 p.m.
Regularity for semilinear abstract Cauchy problems.
Gisele Ruiz Goldstein*, Louisiana State University, Baton Rouge
Jerome A. Goldstein, Louisiana State University, Baton Rouge
(90634140)

2:45 p.m.
Localized solutions of sublinear elliptic equations: Loitering at the hilltop.
Joseph Anthony Iaia, University of North Texas
Henry A. Warchall*, University of North Texas
Frederic B. Weissler, University of Paris XIII, France
(90635171)

3:15 p.m.
Solutions for a class of singular semilinear elliptic equations
Zhiren Jin*, Wichita State University
(9063410)

3:45 p.m.
Homotopy index and reactiondiffusion systems.
James R. Ward, Jr.*, University of Alabama, Birmingham
(9063591)

4:15 p.m.
A multiplicity result for a superlinear elliptic problem.
Adolfo J. Rumbos*, Pomona College
(90635189)

4:45 p.m.
The porous media equation with absorption.
Ivar Stakgold*, University of Delaware
(90634169)

Saturday November 18, 1995, 2:15 p.m.5:35 p.m.
Special Session on SetTheoretic Topology, III
Triad Ballroom Central, Greensboro Hilton Hotel Organizers: Jerry E. Vaughan, University of North Carolina, Greensboro

2:15 p.m.
Additivity of metrizability and related properties.
Zoltan Balogh, Miami University, Oxford
Gary F. Gruenhage*, Auburn University, Auburn
Vladimir Vladimirovich Tkachuk, University Autonoma Metropolitana, Mexico
(90654174)

2:45 p.m.
A metrizable space with no compact open sets which cannot be densely embedded in a connected metrizable space.
John S. Kulesza*, George Mason University
(90654131)

3:15 p.m.
Metrizability of spaces satisfying Nagata's condition.
Richard E. Hodel*, Duke University
(90654143)

3:45 p.m.
Cantortreelike spaces.
William G. Fleissner, University of Kansas
Ronald F. Levy*, George Mason University
(90654116)

4:15 p.m.
Tubularity and normality in products.
Peter J. Nyikos*, University of South Carolina, Columbia
(90654178)

4:45 p.m.
Combinatorics of Ostaszewski spaces.
Judith Roitman*, University of Kansas
(90654201)

5:15 p.m.
Some problems concerning modified compactness conditions.
Robert M. Stephenson, Jr.*, University of South Carolina, Columbia
(90654123)

Saturday November 18, 1995, 2:15 p.m.5:05 p.m.
Special Session on Number Theory and Related Topics, IV
Southern Cresent BallroomGeorgia, Greensboro Hilton Hotel Organizers: Theresa P. Vaughan, University of North Carolina, Greensboro

2:15 p.m.
Some applications of numerical sieving devices.
Hugh C. Williams*, University of Manitoba
(90611194)

2:45 p.m.
On an extension of a theorem of Ljunggren.
Michael A. Filaseta*, University of South Carolina, Columbia
Charles A. Nicol, University of South Carolina, Columbia
Junior G. Solan, University of South Carolina, Columbia
(90612124)

3:15 p.m.
Nonvanishing of normalized convolutions of cusp forms.
XianJin Li*, Purdue University, West Lafayette
(9061124)

3:45 p.m.
Fermat quotients for function fields.
James J. Sauerberg*, Union College
Linghsueh Shu, Ohio State University, Columbus
(9061150)

4:15 p.m.
Uniformly approximable numbers and the uniform approximation spectrum.
Edward B. Burger*, Williams College
(9061182)

4:45 p.m.
Waring's problem in number fields.
Morley A. Davidson*, Institute for Advanced Study
(90611164)

Saturday November 18, 1995, 2:15 p.m.5:35 p.m.
Special Session on Complexity Theory, III
Blue Ridge, Greensboro Hilton Hotel Organizers: Jie Wang, University of North Carolina, Greensboro

2:15 p.m.
Lower bounds for circuits with mod gates and one exact threshold gate.
Frederic Green*, Clark University
(9066833)

2:45 p.m.
Linearly restrictable sets and applications in complexity theory.
Sanjay Gupta*, Virginia Polytechnic Institute and State University
(9066834)

3:15 p.m.
On averagecase computational complexity.
Osamu Watanabe*, Tokyo Institute of Technology, Japan
(9066844)

3:45 p.m.
Average time complexity classes.
Alan L. Selman*, State University of New York, Buffalo
Jinyi Cai, State University of New York, Buffalo
(9066843)

4:15 p.m.
Averagecase hierarchies.
Jay Belanger*, Northeast Missouri State University and University of North Carolina, Greensboro
(9066827)

4:45 p.m.
Semifeasible computation.
Lane A. Hemaspaandra*, University of Rochester
(9066835)

5:15 p.m.
Finding large cliques in very large graphs.
Steven Homer*, Boston University
Marcus Peinado, Boston University
(9066836)

Saturday November 18, 1995, 2:15 p.m.4:35 p.m.
Special Session on Algebraic Combinatorics of Posets and Tableaux, IV
Southern Cresent BallroomCarolina, Greensboro Hilton Hotel Organizers: Lynne M. Butler, Haverford College
Curtis Greene, Haverford College

2:15 p.m.
Lattices of parabolic subgroups.
Helene Barcelo*, Arizona State University
E. C. Ihrig, Arizona State University
(90605182)

2:45 p.m.
Some deformations of the braid arrangement.
Richard P. Stanley*, Massachusetts Institute of Technology
(9060588)

3:15 p.m.
On the lattice of cubical spheres.
Eric K. Babson, Cornell University
Clara S. Chan*, Virginia Polytech Institute & State University
(90605181)

3:45 p.m.
Algebraic shifting and sequentially CohenMacaulay simplicial complexes.
Art Duval*, University of Texas, El Paso
(90606132)

4:15 p.m.
Whitney homology of semipure shellable posets.
Michelle L. Wachs*, University of Miami
(90605184)

Saturday November 18, 1995, 2:30 p.m.3:55 p.m.
General Session II
Cape Fear, Greensboro Hilton Hotel

2:30 p.m.
Uniform connection properties in uniform frames.
D. Baboolal*, University of DurbanWestville, Republic of South Africa
(9065403)

2:45 p.m.
Substitutions and exotic actions on real trees.
Charles Geoffrey Holton*, University of North Texas
Luca Quardo Zamboni, University of North Texas
(9062055)

3:00 p.m.
The homology of $SL_2(F[t,t^1])$.
Kevin P. Knudson*, Duke University
(9062001)

3:15 p.m.
AndrewsCurtis equivalence in a free group and $SL_2(Z[t,t^{1})$.
Vladimir Shpilrain*, University of California, Santa Barbara
(9062064)

3:30 p.m.
Extended monodromy for Fuchsian groups.
Jharna D. Sengupta*, Elizabeth City State University
Dipendra C. Sengupta, Elizabeth City State University
(9063065)

3:45 p.m.
An estimation of number of conjugacy classes of finite subgroups of finitely generated function groups.
Dipendra C. Sengupta*, Elizabeth City State University
Jharna D. Sengupta, Elizabeth City State University
(9063069)
Inquiries: meet@ams.org

