1995 Fall Southern Sectional Meeting

Greensboro, NC , November 17-18, 1995

Full Program of the Sessions

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
  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
    (906-62-199)
  • 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
    (906-76-197)
  • 9:00 a.m.
    Applications of electromagnetism.
    Yun Wang*, Armstrong Laboratory
    (906-78-196)
  • 9:30 a.m.
    Optimal design using the boundary element method.
    Jeff Borggard*, Virginia Polytech Institute & State University
    (906-49-203)
  • 10:00 a.m.
    Computational furnace modeling.
    Marc B. Reider*, IBM
    (906-80-198)
  • 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
    (906-70-202)
• Friday November 17, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Set-Theoretic Topology, I
  Organizers:
  Jerry E. Vaughan, University of North Carolina, Greensboro
  

  • 8:00 a.m.
    Cardinal functions on initial chain algebras.
    Lynne A. Baur*, Carleton College
    (906-06-113)
  • 8:30 a.m.
    Linearly ordered topological semi-groups.
    Robert W. Heath*, University of Pittsburgh, Pittsburgh
    (906-54-142)
  • 9:00 a.m.
    The existence of a scale implies the existence of a Michael space.
    L. Brian Lawrence*, George Mason University
    (906-54-200)
  • 9:30 a.m.
    Pliable subsets of ordered topological spaces.
    Joe D. Mashburn*, University of Dayton
    (906-54-175)
  • 10:00 a.m.
    Isocompactness and related properties.
    Howard H. Wicke*, Ohio University, Athens
    (906-54-137)
  • 10:30 a.m.
    The fine topology on $C(X)$ and cardinal functions.
    Robert A. McCoy*, Virginia Polytech Institute & State University
    (906-54-193)
• Friday November 17, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Complexity Theory, I
  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
    (906-68-26)
  • 8:30 a.m.
    Comparing complexity classes.
    Ronald V. Book*, University of California, Santa Barbara
    (906-68-28)
  • 9:00 a.m.
    The resolution of a Hartmanis conjecture: $P$-sparse hard sets.
    Jin-Yi Cai*, State University of New York, Buffalo
    D. Sivakumar, State University of New York, Buffalo
    (906-68-29)
  • 9:30 a.m.
    The bounded query complexity of $NP$-approximation problems.
    Richard Chang*, University of Maryland, Baltimore County
    (906-68-30)
  • 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
    (906-68-31)
  • 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
    (906-68-32)
• Friday November 17, 1995, 8:30 a.m.-10:50 a.m.
  Special Session on Geometric Group Theory, I
  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
    (906-20-59)
  • 9:00 a.m.
    Local growth of subgroups of Lie groups and a discreteness criterion.
    Eleanor G. Rieffel*, University of Southern California
    (906-22-70)
  • 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
    (906-20-68)
  • 10:00 a.m.
    Boundaries and $L^2$-cohomology for finitely generated groups.
    Gabor Elek*, Purdue University, West Lafayette
    (906-20-12)
  • 10:30 a.m.
    Counting fixed points of automorphisms of free groups.
    Gilbert Levitt*, Universit\'e Paul Sabatier, France
    (906-20-62)
• Friday November 17, 1995, 8:30 a.m.-10:50 a.m.
  Special Session on Number Theory and Related Topics, I
  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
    (906-11-16)
  • 9:00 a.m.
    The Fibonacci triangle modulo $p$.
    Brad L. Wilson*, State University of New York, College at Brockport
    (906-11-54)
  • 9:30 a.m.
    Rigorous discrete logarithm algorithms.
    Carl Pomerance*, University of Georgia
    (906-11-159)
  • 10:00 a.m.
    Directed graphs defined by arithmetic (mod $n$).
    Ezra A. Brown*, Virginia Polytech Institute & State University
    (906-11-53)
  • 10:30 a.m.
    Dispelling myths about mathematics: A look at some of Leonard Eugene Dickson's number-theoretic work.
    Della Dumbaugh Fenster*, University of Richmond
    (906-01-107)
• Friday November 17, 1995, 9:00 a.m.-10:50 a.m.
  Special Session on Theory of Ordered Sets, I
  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
    (906-06-93)
  • 9:30 a.m.
    Perfect sequences of chain-complete posets.
    Jonathan David Farley*, University of Oxford, England
    (906-06-167)
  • 10:00 a.m.
    Several complexity problems involving ordered sets.
    Dwight A. Duffus*, Emory University
    Ted Goddard, Emory University
    (906-06-158)
  • 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
  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
    (906-05-115)
  • 9:30 a.m.
    The $d$-divisible subspace arrangement and generalizations: Cohomology representations.
    Sheila Sundaram*, University of Miami
    (906-16-144)
  • 10:00 a.m.
    Planar decompositions of tableaux and Schur function determinants.
    Angele Marie Hamel, University of Waterloo
    Ian P. Goulden*, University of Waterloo
    (906-05-128)
  • 10:30 a.m.
    Murnaghan-Nakayama rules for characters of Iwahori-Hecke algebras of the complex reflection groups $G(r,p,n)$.
    Thomas M. Halverson*, Macalester College
    Arun Ram, University of Sydney, Australia
    (906-16-152)
• Friday November 17, 1995, 11:05 a.m.-11:55 a.m.
  Invited Address
  Modeling, estimation and control in smart material systems.
  H. Thomas Banks*, North Carolina State University
  (906-00-05)
• Friday November 17, 1995, 1:10 p.m.-2:00 p.m.
  Invited Address
  Iteration of complex polynomials.
  Bodil Branner*, Technical University of Denmark, Denmark
  (906-30-07)
• Friday November 17, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Complex Dynamics, I
  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
    (906-57-76)
  • 2:45 p.m.
    Local connectivity of Julia sets for quadratic polynomials with a fixed, constant type.
    Carsten Lunde Petersen*, Mathematical Institute, Denmark
    (906-30-110)
  • 3:15 p.m.
    Boundaries of certain Siegel disks of rational functions.
    James T. Rogers, Jr.*, Tulane University
    (906-58-79)
  • 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
    (906-30-74)
  • 4:15 p.m.
    Non-singularity in Quasi-Fuchsian space.
    Linda Keen*, Lehman College
    Caroline Series, University of Warwick, United Kingdom
    (906-30-204)
  • 4:45 p.m.
    Discrete harmonic functions.
    Tomasz Dubejko*, Northwestern University
    (906-30-71)
• Friday November 17, 1995, 2:15 p.m.-5:35 p.m.
  Special Session on Geometric Topology, I
  Organizers:
  Alexander Chigogidze, University of Saskatchewan
  Richard B. Sher, University of North Carolina, Greensboro
  

  • 2:15 p.m.
    Limits of polyhedra in Gromov-Hausdorff space.
    Steven C. Ferry*, State University of New York, Binghamton
    (906-53-166)
  • 2:45 p.m.
    Cores of noncompact manifolds.
    Gerard A. Venema*, Calvin College
    (906-57-102)
  • 3:15 p.m.
    Extension theory: The interface between set-theoretic and algebraic topology.
    Jerzy Dydak*, University of Tennessee, Knoxville
    (906-55-108)
  • 3:45 p.m.
    On Ohtsuki's invariants of integral homology $3$-spheres.
    Xiao-Song Lin, Columbia University
    Zhenghan Wang*, University of Michigan, Ann Arbor
    (906-57-48)
  • 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
    (906-58-47)
  • 4:45 p.m.
    Stable intersections with planes and dimension.
    Alexander Nikolaevich Dranishnikov*, University of Miami
    (906-54-02)
  • 5:15 p.m.
    On properties of minimal triangulations of spheres.
    Ivan Ivansic*, University of Zagreb, Croatia
    (906-57-46)
• Friday November 17, 1995, 2:15 p.m.-4:35 p.m.
  Special Session on Geometric Group Theory, II
  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
    (906-20-57)
  • 2:45 p.m.
    Local connectivity of certain amalgamated products.
    Michael L. Mihalik, Vanderbilt University
    Kim E. Ruane*, Florida State University
    (906-20-60)
  • 3:15 p.m.
    Higher geometric invariants of graph groups.
    John E. Meier*, Lafayette College
    Leonard A. VanWyk, Hope College
    (906-20-58)
  • 3:45 p.m.
    Rewriting systems and $3$-manifold groups.
    Susan M. Hermiller*, New Mexico State University, Las Cruces
    (906-20-183)
  • 4:15 p.m.
    Kernels of actions on non-positively curved spaces.
    Robert Bieri, University of Frankfurt, Germany
    Ross Geoghegan*, State University of New York, Binghamton
    (906-20-61)
• Friday November 17, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Quantum Kac-Moody Lie Algebras and Related Topics, I
  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
    (906-16-109)
  • 2:45 p.m.
    Auslander-Gorenstein rings and their injective resolutions.
    Kaushal Ajitabh, University of Texas, Austin
    S. Paul Smith, University of Washington
    James Zhang*, University of Washington
    (906-16-87)
  • 3:15 p.m.
    Quantum group constructions.
    Edward L. Green*, Virginia Polytechnic Institute and State University
    (906-16-04)
  • 3:45 p.m.
    Automorphisms of vertex operator algebras.
    Robert Louis Griess, Jr.*, University of Michigan, Ann Arbor
    (906-17-119)
  • 4:15 p.m.
    The structure of generalized Kac-Moody algebras.
    Elizabeth Graf Jurisich*, University of Chicago
    (906-17-148)
  • 4:45 p.m.
    Quantum deformations of the imaginary Verma modules of $A_1^{(1)}$.
    Duncan J. Melville*, Saint Lawrence University
    (906-17-85)
• Friday November 17, 1995, 2:15 p.m.-5:35 p.m.
  Special Session on Nonlinear Boundary Value Problems, I
  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
    (906-34-96)
  • 2:45 p.m.
    On energy estimates for nonlinear wave equations with non-autonomous damping.
    Xiaodong Zhu*, University of Minnesota, Minneapolis
    (906-35-172)
  • 3:15 p.m.
    Existence and asymptotic behavior for semilinear periodic-parabolic equations with nonlinear boundary conditions.
    Mubenga Ngandu Nkashama*, University of Alabama, Birmingham
    (906-35-188)
  • 3:45 p.m.
    Nonsymmetric solutions to elliptic problems on symmetric regions.
    Alfonso Castro*, University of North Texas
    (906-35-147)
  • 4:15 p.m.
    Perturbations of the $p$-Laplacian on bounded and on cylindrical domains.
    David G. Costa*, University of Nevada, Las Vegas
    (906-35-145)
  • 4:45 p.m.
    Strongly indefinite systems and Floer homology.
    Robert C. Vandervorst*, Georgia Institute of Technology
    Sigurd B. Angenent, University of Wisconsin, Madison
    (906-49-18)
  • 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
    (906-35-179)
• Friday November 17, 1995, 2:15 p.m.-5:35 p.m.
  Special Session on Set-Theoretic Topology, II
  Organizers:
  Jerry E. Vaughan, University of North Carolina, Greensboro
  

  • 2:15 p.m.
    A non normal product.
    Mary E. Rudin*, University of Wisconsin, Madison
    (906-54-15)
  • 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
    (906-54-125)
  • 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
    (906-54-126)
  • 3:45 p.m.
    The specialization in skew compact spaces.
    Ralph D. Kopperman*, City College, City University of New York
    (906-54-133)
  • 4:15 p.m.
    The classification of metrics and multivariate data analysis.
    Stephen Watson*, York University
    (906-54-177)
  • 4:45 p.m.
    Realcompactness vs. pseudocompactness.
    Charles E. Aull*, Virginia Polytech Institute & State University
    (906-54-98)
  • 5:15 p.m.
    When is an initially $\omega_1$ compact separable $T_3$ space compact?
    I. Juhasz*, Magyar Tudomanyos Akademia, Budapest, Hungary
    (906-54-191)
• Friday November 17, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Number Theory and Related Topics, II
  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
    (906-11-141)
  • 2:45 p.m.
    An explicit upper bound of the Riemann zeta function in the critical strip.
    Yuanyou Cheng*, University of Georgia
    (906-11-192)
  • 3:15 p.m.
    Approximations to $\pi$ via modular equations for the Dedekind $\eta$-function.
    Frank G. Garvan*, University of Florida
    (906-11-160)
  • 3:45 p.m.
    The average witness is $2$.
    Ronald Joseph Burthe, Jr.*, University of Georgia
    (906-11-20)
  • 4:15 p.m.
    Some rook polynomials with real roots related to hypergeometric series.
    James B. Haglund*, University of Illinois, Urbana-Champaign
    (906-11-118)
  • 4:45 p.m.
    Computations of class numbers of quadratic fields.
    Anitha Srinivasan*, University of Georgia
    (906-11-205)
• Friday November 17, 1995, 2:15 p.m.-6:05 p.m.
  Special Session on Complexity Theory, II
  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
    (906-68-37)
  • 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
    (906-68-39)
  • 3:15 p.m.
    Resource bounded measure, then and now.
    Luc Longpre*, University of Texas, El Paso
    (906-68-40)
  • 3:45 p.m.
    Observations on measure and lowness for $\Delta_2^P$.
    Jack H. Lutz*, Iowa State University
    (906-68-25)
  • 4:15 p.m.
    Independence properties of algorithmically random sequences.
    Steven M. Kautz*, Randolph-Macon Woman's College
    (906-68-38)
  • 4:45 p.m.
    The $PL$ hierarchy collapses.
    Mitsunori Ogihara*, University of Rochester
    (906-68-41)
  • 5:15 p.m.
    Applications of error-correcting codes in complexity theory.
    Kenneth W. Regan*, State University of New York, Buffalo
    (906-68-42)
  • 5:45 p.m.
    Non-immunity of $NEXP$-complete sets.
    Nicholas Tran*, University of Pennsylvania
    (906-68-45)
• Friday November 17, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Algebraic Combinatorics of Posets and Tableaux, II
  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
    (906-05-162)
  • 2:45 p.m.
    Unimodality and Schur functions.
    Victor S. Reiner, University of Minnesota, Minneapolis
    Dennis W. Stanton*, University of Minnesota, Minneapolis
    (906-05-120)
  • 3:15 p.m.
    Bitableaux bases for diagonally invariant polynomial quotient rings.
    Edward E. Allen*, Wake Forest University
    (906-05-81)
  • 3:45 p.m.
    Plane partitions and reduced words.
    Sergey Fomin*, Massachusetts Institute of Technology
    Anatolii Nikolaevich Kirillov, University of Tokyo, Japan
    (906-05-105)
  • 4:15 p.m.
    Super Catalan numbers.
    Ira M. Gessel*, Brandeis University
    (906-05-153)
  • 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
    (906-05-150)

Saturday November 18, 1995

• Saturday November 18, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Complex Dynamics, II
  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
    (906-30-163)
  • 9:00 a.m.
    Renormalization and boundary of chaos.
    Jun Hu*, Rutgers University, Newark
    (906-30-78)
  • 9:30 a.m.
    Box mappings, Hausdorff dimension and non-renormalizable quadratic polynomials.
    Jacek Graczyk*, California Institute of Technology
    (906-30-103)
  • 10:00 a.m.
    Renormalization method in quadratic polynomials.
    Yunping Jiang*, Queens College, City University of New York
    (906-30-77)
  • 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
    (906-30-11)
• Saturday November 18, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Geometric Topology, II
  Organizers:
  Alexander Chigogidze, University of Saskatchewan
  Richard B. Sher, University of North Carolina, Greensboro
  

  • 8:00 a.m.
    On the Hilbert-Smith conjecture.
    Dusan Repovs*, University of Ljubljana, Slovenia
    (906-57-17)
  • 8:30 a.m.
    The shape of attractors in Menger manifolds.
    Judy Anita Kennedy*, University of Delaware
    (906-54-130)
  • 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
    (906-31-117)
  • 9:30 a.m.
    On the cohomological structure within manifold decompositins of manifolds.
    David F. Snyder*, Southwest Texas State University
    (906-57-207)
  • 10:00 a.m.
    Towards characterization of N\"obeling space.
    Edward D. Tymchatyn*, University of Saskatchewan
    (906-57-185)
  • 10:30 a.m.
    Closed subgroups in Banach spaces.
    Tadeusz W. Dobrowolski*, Pittsburg State University
    (906-55-90)
• Saturday November 18, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Geometric Group Theory, III
  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
    (906-20-66)
  • 8:30 a.m.
    Hyperbolic groups with Pontryagin space boundary.
    Sean T. Cleary*, University of Pennsylvania
    (906-20-23)
  • 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
    (906-20-56)
  • 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
    (906-20-63)
  • 10:00 a.m.
    Polygonal complexes, combinatorial and geometric properties.
    Nadia Benakli*, Columbia University
    (906-20-67)
  • 10:30 a.m.
    A complex for $GL_2$ and the non-finite presentability of $IA(F_3)$.
    Sava Krstic*, Tufts University
    James McCool, University of Toronto
    (906-20-156)
• Saturday November 18, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Quantum Kac-Moody Lie Algebras and Related Topics, II
  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
    (906-17-161)
  • 8:30 a.m.
    Superconformal symmmetry and supergeometric vertex operator algebras.
    Katrina Deane Barron*, Rutgers University, New Brunswick
    (906-17-129)
  • 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
    (906-17-127)
  • 9:30 a.m.
    Generalized Batalin-Vilkovisky algebras.
    Fusun Akman*, Cornell University, Ithaca
    (906-17-84)
  • 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
    (906-17-121)
  • 10:30 a.m.
    Real characters for Demazure modules of rank two affine Lie algebras.
    Yasmine B. Sanderson*, Universit\'e Louis Pasteur, France
    (906-17-83)
• Saturday November 18, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Nonlinear Boundary Value Problems, II
  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
    (906-35-19)
  • 8:30 a.m.
    Explosive nonnegative solutions to two-point boundary value problems.
    V. Anuradha*, Plano, Texas
    (906-34-173)
  • 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
    (906-35-146)
  • 9:30 a.m.
    Sch\"odinger semigroups with singular potentials.
    Jerome A. Goldstein*, Louisiana State University, Baton Rouge
    (906-47-111)
  • 10:00 a.m.
    Minimization problems for noncoercive functionals subject to contraints.
    Vy Khoi Le*, University of Colorado, Boulder
    Klaus Schmitt, University of Utah
    (906-35-187)
  • 10:30 a.m.
    On competition mediated coexistance.
    Robert Stephen Cantrell*, University of Miami
    James R. Ward, Jr., University of Alabama, Birmingham
    (906-92-186)
• Saturday November 18, 1995, 8:00 a.m.-10:50 a.m.
  Special Session on Number Theory and Related Topics, III
  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
    (906-05-52)
  • 8:30 a.m.
    Generating permutations using the transpositions $\{ (1,n), (2,n),\ldots , (n-1,n)\}$.
    Frederick J. Portier*, Mount Saint Mary's College
    (906-05-135)
  • 9:00 a.m.
    Permutation polynomials over a finite field satisfying a difference equation. {\rm II}.
    Robert M. McConnel*, University of Tennessee, Knoxville
    (906-12-138)
  • 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 Gomez-Calderon*, Pennsylvania State University, New Kensington Campus
    (906-11-136)
  • 10:00 a.m.
    On the divisibility of certain partition functions by small powers of $2$.
    Krishnaswami Alladi*, University of Florida
    (906-11-13)
  • 10:30 a.m.
    Divisibility of certain partition functions by powers of primes.
    Ken Ono*, Institute for Advanced Study
    (906-05-51)
• Saturday November 18, 1995, 8:30 a.m.-10:50 a.m.
  Special Session on Theory of Ordered Sets, II
  Organizers:
  Bernd S. W. Schroeder, Hampton University
  

  • 8:30 a.m.
    Reduced idempotents in the semigroup of Boolean matrices.
    Janusz Konieczny*, Mary Washington College
    (906-20-94)
  • 9:00 a.m.
    The "proper versus unit" question for some generalizations of interval orders.
    Kenneth P. Bogart*, Dartmouth College
    (906-06-165)
  • 9:30 a.m.
    On the equational theory of orthocomplemented modular lattices.
    Christian Herrmann, Technische Hochschule Darmstadt, Germany
    Michael S. Roddy*, Brandon University
    (906-06-170)
  • 10:00 a.m.
    Some results concerning a chain transversing an antichain partition.
    Dwight A. Duffus, Emory University
    Ted Goddard*, Emory University
    (906-06-157)
  • 10:30 a.m.
    The complexity of cover graph recognition for some varieties of finite lattices.
    V. Rodl, Emory University
    Lubos Thoma*, Emory University
    (906-06-190)
• Saturday November 18, 1995, 9:00 a.m.-10:50 a.m.
  Special Session on Algebraic Combinatorics of Posets and Tableaux, III
  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
    (906-05-151)
  • 9:30 a.m.
    Domino tilings of planar regions and alternating sign patterns.
    Mihai A. Ciucu*, University of Michigan, Ann Arbor
    (906-52-92)
  • 10:00 a.m.
    Catalan lattices, classifying tableau descriptions, and hook length posets.
    Robert A. Proctor*, University of North Carolina, Chapel Hill
    (906-05-134)
  • 10:30 a.m.
    The Littlewood-Richardson rule and consistent triples of integers.
    Glenn D. Appleby*, Santa Clara University
    Tamsen Whitehead, Santa Clara University
    (906-05-80)
• Saturday November 18, 1995, 9:00 a.m.-10:40 a.m.
  General Session I
  

  • 9:00 a.m.
    The explicit formula for finding transversal homoclinical orbits.
    Lev Lerman, Research Institute for Applied Math and Cybernetics, Russia
    Ya Umanskiy*,
    (906-34-75)
  • 9:15 a.m.
    Estimates for discrete spherical maximal operators.
    Akos Magyar*, Institute for Advanced Study
    (906-99-99)
  • 9:30 a.m.
    Congruence properties of multiple harmonic sums.
    Michael E. Hoffman*, United States Naval Academy
    Courtney H. Moen, United States Naval Academy
    (906-11-97)
  • 9:45 a.m.
    The relativity theories mathematically rejected: Historical perspective.
    G. Arthur Mihram*, Princeton, New Jersey
    Danielle Mihram, University of Southern California
    (906-83-139)
  • 10:00 a.m.
    Unique controllability of damped wave equation and spectral analysis of a class of nonself-adjoint operators.
    Marianna A. Shubov*, Texas Tech University
    (906-93-106)
  • 10:15 a.m.
    Functional integration on spaces of connections.
    Stephen F. Sawin*, Massachusetts Institute of Technology
    John C. Baez, University of California, Riverside
    (906-83-49)
  • 10:30 a.m.
    Independence results in topology below $ZF$.
    Stephen Watson*, York University
    (906-55-176)
• Saturday November 18, 1995, 11:05 a.m.-11:55 a.m.
  Invited Address
  R-trees in geometry, topology, and group theory.
  Mladen Bestvina*, University of Utah
  (906-20-06)
• Saturday November 18, 1995, 1:10 p.m.-2:00 p.m.
  Invited Address
  Partially ordered sets and tableaux.
  Curtis Greene*, Haverford College
  (906-05-08)
• Saturday November 18, 1995, 2:15 p.m.-4:35 p.m.
  Special Session on Complex Dynamics, III
  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 Erlangen-Nuremberg, Germany
    (906-58-73)
  • 2:45 p.m.
    Conservative exact or attracting rational maps.
    Julia A. Barnes*, University of North Carolina, Chapel Hill
    (906-58-72)
  • 3:15 p.m.
    Wandering components of the Julia set.
    Kevin M. Pilgrim*, Cornell University, Ithaca
    (906-58-89)
  • 3:45 p.m.
    A construction of ergodic analytic maps of $CP^2$.
    Lorelei M. Koss*, University of North Carolina, Chapel Hill
    (906-58-122)
  • 4:15 p.m.
    Algebraic dynamics: Contraction, finiteness, and transversality principles.
    Adam Lawrence Epstein*, State University of New York, Stony Brook
    (906-30-09)
• Saturday November 18, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Geometric Group Theory, IV
  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
    (906-51-104)
  • 2:45 p.m.
    Generalizations of the outer space and collapses of graphs of groups.
    Renfang Jiang*, Michigan Technological University
    (906-20-95)
  • 3:15 p.m.
    An example of a non-quasiconvex subgroup of a word hyperbolic group with exotic limit set.
    Ilya Kapovich*, Graduate School and University Center, City University of New York
    (906-20-21)
  • 3:45 p.m.
    Normal forms for free group automorphisms.
    Martin Lustig*, Ruhr University, Germany
    (906-20-14)
  • 4:15 p.m.
    Quasi-isometries and Baumslag-Solitar groups.
    Lee D. Mosher*, Rutgers University, Newark
    Benson S. Farb, University of Chicago
    (906-20-101)
  • 4:45 p.m.
    A nonpositively curved squared complex with no finite covers.
    Daniel Wise*, Princeton University
    (906-20-206)
• Saturday November 18, 1995, 2:15 p.m.-5:35 p.m.
  Special Session on Quantum Kac-Moody Lie Algebras and Related Topics, III
  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
    (906-17-112)
  • 2:45 p.m.
    KZB equation and quantum many-body systems.
    Giovanni Felder*, University of North Carolina, Chapel Hill
    (906-17-86)
  • 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
    (906-17-155)
  • 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
    (906-17-154)
  • 4:15 p.m.
    Stratifying endomorphism algebras.
    Brian J. Parshall*, University of Virginia
    (906-20-168)
  • 4:45 p.m.
    Graded algebras arising from representation theory and their $GK$-dimensions.
    Zongzhu Lin*, Kansas State University
    (906-17-149)
  • 5:15 p.m.
    Quantum linear groups and canonical bases.
    Jie Du*, University of New South Wales, Australia
    (906-17-195)
• Saturday November 18, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Nonlinear Boundary Value Problems, III
  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
    (906-34-140)
  • 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
    (906-35-171)
  • 3:15 p.m.
    Solutions for a class of singular semilinear elliptic equations
    Zhiren Jin*, Wichita State University
    (906-34-10)
  • 3:45 p.m.
    Homotopy index and reaction-diffusion systems.
    James R. Ward, Jr.*, University of Alabama, Birmingham
    (906-35-91)
  • 4:15 p.m.
    A multiplicity result for a superlinear elliptic problem.
    Adolfo J. Rumbos*, Pomona College
    (906-35-189)
  • 4:45 p.m.
    The porous media equation with absorption.
    Ivar Stakgold*, University of Delaware
    (906-34-169)
• Saturday November 18, 1995, 2:15 p.m.-5:35 p.m.
  Special Session on Set-Theoretic Topology, III
  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
    (906-54-174)
  • 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
    (906-54-131)
  • 3:15 p.m.
    Metrizability of spaces satisfying Nagata's condition.
    Richard E. Hodel*, Duke University
    (906-54-143)
  • 3:45 p.m.
    Cantor-tree-like spaces.
    William G. Fleissner, University of Kansas
    Ronald F. Levy*, George Mason University
    (906-54-116)
  • 4:15 p.m.
    Tubularity and normality in products.
    Peter J. Nyikos*, University of South Carolina, Columbia
    (906-54-178)
  • 4:45 p.m.
    Combinatorics of Ostaszewski spaces.
    Judith Roitman*, University of Kansas
    (906-54-201)
  • 5:15 p.m.
    Some problems concerning modified compactness conditions.
    Robert M. Stephenson, Jr.*, University of South Carolina, Columbia
    (906-54-123)
• Saturday November 18, 1995, 2:15 p.m.-5:05 p.m.
  Special Session on Number Theory and Related Topics, IV
  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
    (906-11-194)
  • 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
    (906-12-124)
  • 3:15 p.m.
    Nonvanishing of normalized convolutions of cusp forms.
    Xian-Jin Li*, Purdue University, West Lafayette
    (906-11-24)
  • 3:45 p.m.
    Fermat quotients for function fields.
    James J. Sauerberg*, Union College
    Linghsueh Shu, Ohio State University, Columbus
    (906-11-50)
  • 4:15 p.m.
    Uniformly approximable numbers and the uniform approximation spectrum.
    Edward B. Burger*, Williams College
    (906-11-82)
  • 4:45 p.m.
    Waring's problem in number fields.
    Morley A. Davidson*, Institute for Advanced Study
    (906-11-164)
• Saturday November 18, 1995, 2:15 p.m.-5:35 p.m.
  Special Session on Complexity Theory, III
  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
    (906-68-33)
  • 2:45 p.m.
    Linearly restrictable sets and applications in complexity theory.
    Sanjay Gupta*, Virginia Polytechnic Institute and State University
    (906-68-34)
  • 3:15 p.m.
    On average-case computational complexity.
    Osamu Watanabe*, Tokyo Institute of Technology, Japan
    (906-68-44)
  • 3:45 p.m.
    Average time complexity classes.
    Alan L. Selman*, State University of New York, Buffalo
    Jin-yi Cai, State University of New York, Buffalo
    (906-68-43)
  • 4:15 p.m.
    Average-case hierarchies.
    Jay Belanger*, Northeast Missouri State University and University of North Carolina, Greensboro
    (906-68-27)
  • 4:45 p.m.
    Semi-feasible computation.
    Lane A. Hemaspaandra*, University of Rochester
    (906-68-35)
  • 5:15 p.m.
    Finding large cliques in very large graphs.
    Steven Homer*, Boston University
    Marcus Peinado, Boston University
    (906-68-36)
• Saturday November 18, 1995, 2:15 p.m.-4:35 p.m.
  Special Session on Algebraic Combinatorics of Posets and Tableaux, IV
  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
    (906-05-182)
  • 2:45 p.m.
    Some deformations of the braid arrangement.
    Richard P. Stanley*, Massachusetts Institute of Technology
    (906-05-88)
  • 3:15 p.m.
    On the lattice of cubical spheres.
    Eric K. Babson, Cornell University
    Clara S. Chan*, Virginia Polytech Institute & State University
    (906-05-181)
  • 3:45 p.m.
    Algebraic shifting and sequentially Cohen-Macaulay simplicial complexes.
    Art Duval*, University of Texas, El Paso
    (906-06-132)
  • 4:15 p.m.
    Whitney homology of semipure shellable posets.
    Michelle L. Wachs*, University of Miami
    (906-05-184)
• Saturday November 18, 1995, 2:30 p.m.-3:55 p.m.
  General Session II
  

  • 2:30 p.m.
    Uniform connection properties in uniform frames.
    D. Baboolal*, University of Durban-Westville, Republic of South Africa
    (906-54-03)
  • 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
    (906-20-55)
  • 3:00 p.m.
    The homology of $SL_2(F[t,t^-1])$.
    Kevin P. Knudson*, Duke University
    (906-20-01)
  • 3:15 p.m.
    Andrews-Curtis equivalence in a free group and $SL_2(Z[t,t^[-1])$.
    Vladimir Shpilrain*, University of California, Santa Barbara
    (906-20-64)
  • 3:30 p.m.
    Extended monodromy for Fuchsian groups.
    Jharna D. Sengupta*, Elizabeth City State University
    Dipendra C. Sengupta, Elizabeth City State University
    (906-30-65)
  • 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
    (906-30-69)