AMS Sectional Meeting Full Program

Current as of Tuesday, April 12, 2005 15:08:43

1990 Southeast Section Meeting
Fayetteville, AR, March 23-24, 1990
Meeting #856

Friday March 23, 1990

• Friday March 23, 1990, 7:00 a.m.-9:55 a.m.
  Special Session on Banach Algebras, I
  Room 411, Center for Continuing Education
  

  • 7:00 a.m.
    Spectral theory in F-algebras with applications to Laplace transforms.
    Bruce Barnes*, University of Oregon
    (856-46-75)
  • 7:30 a.m.
    A characterization of operator algebras and applications.
    David P. Blecher*, University of Houston, Houston
    (856-46-82)
  • 8:00 a.m.
    Standard homomorphisms and regulated weights on weighted convolution algebras.
    F. Ghahramani*, University of Manitoba
    J. P. McClure, University of Manitoba
    S. Grabiner, Pomona College
    (856-46-10)
  • 8:30 a.m.
    Convergent sequences and standard ideals in weighted convolution algebras.
    Sandy Grabiner*, Pomona College
    (856-46-11)
  • 9:00 a.m.
    Informal Discussion
• Friday March 23, 1990, 7:00 a.m.-9:30 a.m.
  Special Session on Complex Function Theory of One and Several Variables, I
  Room 402, Center for Continuing Education
  

  • 7:00 a.m.
    Removable singularities for L^1 CR functions.
    John T. Anderson*, College of the Holy Cross
    Joseph A. Cima, University of North Carolina, Chapel Hill
    (856-32-115)
  • 7:40 a.m.
    Some results related to Landau's covering theorem.
    Albert Baernstein, II*, Washington University
    (856-30-40)
  • 8:20 a.m.
    Some open problems in one and several complex variables.
    Roger W. Barnard*, Texas Tech University
    (856-30-84)
  • 9:00 a.m.
    Sets lying over the sphere in C^2.
    John Wermer*, Brown University
    (856-32-79)
• Friday March 23, 1990, 7:00 a.m.-9:30 a.m.
  Special Session on Phase-type Distributions and Some Applications, I
  Room 107, Center for Continuing Education
  

  • 7:00 a.m.
    New results on the single server queue with a batch Markovian arrival process.
    David M. Lucantoni*, AT&T Bell Laboratories, Holmdel, New Jersey
    (856-90-24)
  • 7:40 a.m.
    Phase-type representation of waiting times.
    Soren Asmussen*, Chalmers Institute of Technology, Sweden
    (856-90-26)
  • 8:30 a.m.
    Phase-distribution selection methods: Recent developments.
    Mary A. Johnson*, University of Arizona
    (856-90-25)
  • 9:00 a.m.
    Implementation of matrix analytic methods for phase type queues using uniformization techniques.
    V. Ramaswami*, Bell Communications Research, Morristown, New Jersey
    (856-90-21)
• Friday March 23, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Geometry, Physics and Nonlinear PDE's, I: Monge-Amp\'ere Equations
  Room 204, Center for Continuing Education
  

  • 7:00 a.m.
    Darboux mappings and locally convex surfaces.
    Friedmar Schulz*, University of Iowa
    (856-35-12)
  • 7:35 a.m.
    Maximum principles and applications.
    I. Bakelman*, Texas A\thsp\&\thsp M University, College Station
    (856-35-72)
  • 8:10 a.m.
    Generalized convex hypersurfaces.
    Erwin Lutwak*, Polytechnic University of New York
    (856-52-60)
  • 8:45 a.m.
    Worn stones -- a second look.
    Wm. J. Firey*, Oregon State University
    (856-52-45)
  • 9:20 a.m.
    The inhomogeneous extremal metric problem for closed surfaces.
    Eugenio Calabi*, University of Pennsylvania
    (856-53-68)
• Friday March 23, 1990, 7:00 a.m.-8:50 a.m.
  Special Session on Combinatorics, I
  Room 405, Center for Continuing Education
  

  • 7:00 a.m.
    Finite descriptions of tree ideals.
    Neil Robertson*, Ohio State University, Columbus
    P. D. Seymour, Bell Communication Research
    Robin Thomas, Georgia Institute of Technology
    (856-05-125)
  • 7:40 a.m.
    An included minor result for 3-connected graphs.
    Bogdan Oporowski*, Louisiana State University, Baton Rouge
    James Oxley, Louisiana State University, Baton Rouge
    (856-05-32)
  • 8:20 a.m.
    A characterization of the planar graphs with no 6-wheel minor.
    Bradley S. Gubser*, Louisiana State University, Baton Rouge
    (856-05-98)
• Friday March 23, 1990, 8:00 a.m.-8:30 a.m.
  Session on Banach Lattices and Theory of Determinates
  Room 406, Center for Continuing Education
  

  • 8:00 a.m.
    Sums of homomorphisms into Dedekind complete Banach lattices.
    David C. Carothers*, Hope College
    William A. Feldman, University of Arkansas, Fayetteville
    (856-47-127)
  • 8:20 a.m.
    The value of certain determinants with elements _+1.
    Dale Woods*, Central State University
    D. J. Boyce, Central State University
    (856-15-100)
• Friday March 23, 1990, 10:00 a.m.-11:00 a.m.
  Invited Address
  Phase-type distributions: Basic properties.
  Room 107, Center for Continuing Education
  Marcel F. Neuts*, University of Arizona
  (856-90-16)
• Friday March 23, 1990, 12:00 p.m.-1:00 p.m.
  Invited Address
  Selected nonlinear problems in geometry.
  Room 204, Center for Continuing Education
  Vladimir I. Oliker*, Emory University
  (856-53-50)
• Friday March 23, 1990, 1:10 p.m.-3:35 p.m.
  Special Session on Banach Algebras, II
  Room 411, Center for Continuing Education
  

  • 1:10 p.m.
    Multipliers of weighted L^p spaces.
    Peter A. Detre*, Southwest Missouri State University
    (856-47-36)
  • 1:40 p.m.
    Compact endomorphisms of Banach algebras.
    Herbert Kamowitz*, University of Massachusetts, Boston
    (856-46-112)
  • 2:10 p.m.
    Semi-simple Banach algebras and super-decomposable operators.
    Michael M. Neumann*, Mississippi State University
    (856-47-128)
  • 2:40 p.m.
    Informal Discussion
• Friday March 23, 1990, 1:10 p.m.-5:00 p.m.
  Special Session on Semigroups in Geometry and Analysis, I
  Room 409, Center for Continuing Education
  

  • 1:10 p.m.
    The duality between subsemigroups of Lie groups and monotone functions.
    Karl-Hermann Neeb*, Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-07)
  • 1:50 p.m.
    On the geometry of subsemigroups of Lie groups.
    Wolfgang A. F. Ruppert*, Universit\"at f\`ur Bodenkultur, Austria and Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-02)
  • 2:30 p.m.
    On the set of compact subgroups of a locally compact group.
    Christian Terp*, Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-03)
  • 3:10 p.m.
    On topological semigroups of conal curves and connecting homotopy.
    Wolfgang Weiss*, Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-08)
  • 3:50 p.m.
    Causality and homothetic maps on space-time.
    Paul Ehrlich*, University of Florida
    (856-53-15)
  • 4:30 p.m.
    Applications of differentiable semigroups in operator theory.
    J. P. Holmes*, Auburn University, Auburn
    (856-20-39)
• Friday March 23, 1990, 1:10 p.m.-3:00 p.m.
  Special Session on Complex Function Theory of One and Several Variables, II
  Room 402, Center for Continuing Education
  

  • 1:10 p.m.
    Robin functions and energy functionals of multiply connected domains.
    P. L. Duren*, University of Michigan, Ann Arbor
    M. M. Schiffer, Stanford University
    (856-30-65)
  • 1:50 p.m.
    Schwarzian derivatives and zeros of solutions of second order linear differential equations.
    A. Hinkkanen*, University of Texas, Austin
    John Rossi, Virginia Polytechnic Institute and State University
    (856-30-92)
  • 2:30 p.m.
    Harmonic analysis on domains.
    Steven G. Krantz*, Washington University
    (856-42-27)
• Friday March 23, 1990, 1:10 p.m.-4:10 p.m.
  Special Session on Phase-type Distributions and Some Applications, II
  Room 107, Center for Continuing Education
  

  • 1:10 p.m.
    Phase-type distributions: Use in queuing models.
    Marcel F. Neuts*, University of Arizona
    (856-90-17)
  • 2:10 p.m.
    A finite capacity polling system with non-exhaustive service and non-renewal input.
    C. Blondia*, Philips Research Laboratory, Belgium
    (856-90-47)
  • 2:50 p.m.
    ML estimation of the parameters of a PH-distribution in triangular canonical form.
    Andrea Bobbio*, Istituto Elettrotecnico Nazionale Galileo Ferraris, Italy
    Aldo Cumani, Istituto Elettrotecnico Nazionale Galileo Ferraris, Italy
    (856-90-48)
  • 3:30 p.m.
    Informal Discussion
• Friday March 23, 1990, 1:10 p.m.-5:45 p.m.
  Special Session on Geometry, Physics and Nonlinear PDE's, II: Mean curvature--Harmonic maps--Curvature evolution
  Room 204, Center for Continuing Education
  

  • 1:10 p.m.
    Surfaces of constant mean curvature of Enneper type.
    Henry C. Wente*, University of Toledo
    (856-53-76)
  • 1:45 p.m.
    A survey of some unusual harmonic maps from the 3-ball to the 2-sphere.
    Robert Hardt*, Rice University
    (856-49-67)
  • 2:20 p.m.
    A priori estimates for a class of problems from nonlinear elasticity.
    Patricia Bauman, Purdue University, West Lafayette
    Nicholas Owen, University of Bath, United Kingdom
    Daniel Phillips*, Purdue University, West Lafayette
    (856-35-28)
  • 2:55 p.m.
    On the size of the blowup set for a quasilinear parabolic equation.
    Michael E. Gage*, University of Rochester
    (856-35-54)
  • 3:30 p.m.
    On the structure of complete embedded constant mean curvature surfaces in Euclidean space.
    Nicholas J. Korevaar*, University of Utah
    (856-53-57)
  • 4:05 p.m.
    Almost umbilic submanifolds.
    R. Howard*, University of South Carolina, Columbia
    (856-53-58)
  • 4:40 p.m.
    On the parabolic harmonic map equation from non-compact manifolds.
    G. Liao*, University of Texas, Arlington
    L. F. Tam, The Chinese University of Hong Kong, Hong Kong
    (856-53-78)
  • 5:15 p.m.
    Rotational mean curvature flow, quenching and blow up.
    Bernhard Kawohl*, Universit\"at Heidelberg, Federal Republic of Germany
    (856-35-35)
• Friday March 23, 1990, 1:10 p.m.-3:00 p.m.
  Special Session on Combinatorics, II
  Room 405, Center for Continuing Education
  

  • 1:10 p.m.
    Bounds for rectilinear crossing numbers.
    Daniel Bienstock, Bellcore, Morristown, New Jersey
    Nathaniel Dean*, Bellcore, Morristown, New Jersey
    (856-05-44)
  • 1:50 p.m.
    Generalized total colorings.
    Hugh Hind*, University of Southern Mississippi
    (856-05-126)
  • 2:30 p.m.
    Coclosure operators and chromatic polynomials.
    Nigel Ray, University of Manchester, England
    William Schmitt*, Memphis State University
    (856-05-34)
• Friday March 23, 1990, 1:10 p.m.-3:20 p.m.
  Special Session on Differential Geometry, I
  Room 404, Center for Continuing Education
  

  • 1:10 p.m.
    (-1/4)-pinched Riemannian metrics on compact Kaehler manifolds.
    Fangyang Zheng*, Massachusetts Institute of Technology
    (856-53-120)
  • 1:55 p.m.
    L_2-barred partial-cohomology of projective varieties.
    William Pardon*, Duke University
    Mark Stern, Duke University
    (856-58-118)
  • 2:40 p.m.
    Kahler-Einstein metrics of positive scalar curvature.
    Alan M. Nadel*, Massachusetts Institute of Technology
    (856-32-86)
• Friday March 23, 1990, 1:10 p.m.-5:00 p.m.
  Special Session on Singular Integral Operators and Related Areas, I
  Room 403, Center for Continuing Education
  

  • 1:10 p.m.
    Continuity properties of pseudodifferential operators and other operators with singular kernels.
    Rodolfo H. Torres*, Washington University
    (856-35-89)
  • 1:50 p.m.
    Weighted inequalities for averaging operators.
    Kenneth F. Andersen*, University of Alberta
    (856-42-63)
  • 2:30 p.m.
    Oscillatory integrals with polynomial phase.
    Dan Oberlin*, Florida State University
    (856-42-64)
  • 3:10 p.m.
    On the approximation problem for barred partial^2.
    James L. Wang*, University of Alabama, Tuscaloosa
    (856-30-80)
  • 3:50 p.m.
    Projection theorems for estimating harmonic measure.
    Peter M. Knopf*, Pace University
    (856-32-123)
  • 4:30 p.m.
    Estimates for the maximal operator of the Ornstein-Uhlenbeck semigroup.
    Cristian E. Guti\'errez*, Temple University, Philadelphia
    Wilfredo O. Urbina, Universidad Central de Venezuela, Caracas
    (856-42-113)

Saturday March 24, 1990

• Saturday March 24, 1990, 7:00 a.m.-9:30 a.m.
  Special Session on Banach Algebras, III
  Room 411, Center for Continuing Education
  

  • 7:00 a.m.
    Remarks on the approximation property.
    P. G. Casazza, University of Missouri, Columbia
    N. J. Kalton*, University of Missouri, Columbia
    (856-46-38)
  • 7:40 a.m.
    The second conjugate algebra of L_1(G) of a locally compact group.
    Anthony To-Ming Lau*, University of Alberta
    (856-43-102)
  • 8:20 a.m.
    Spectral algebras.
    Theodore W. Palmer*, University of Oregon
    (856-46-91)
  • 9:00 a.m.
    Decompositions of commutative Banach algebras as semi-direct products and other structure results.
    Marc P. Thomas*, California State University, Bakersfield
    (856-46-09)
• Saturday March 24, 1990, 7:00 a.m.-9:30 a.m.
  Special Session on Semigroups in Geometry and Analysis, II
  Room 409, Center for Continuing Education
  

  • 7:00 a.m.
    Positive definite and negative definite functions on the Heisenberg group.
    Palle E. T. Jorgensen*, University of Iowa
    (856-47-01)
  • 7:40 a.m.
    On the semigroup (expiW)G.
    Norbert D\"orr*, Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-06)
  • 8:20 a.m.
    Classification of Lie semialgebras.
    Anselm Eggert*, Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-04)
  • 9:00 a.m.
    Classification of hyperplane subalgebras in real Lie algebras.
    Karl H. Hofmann*, Technische Hochschule Darmstadt, Federal Republic of Germany
    (856-22-05)
• Saturday March 24, 1990, 7:00 a.m.-9:30 a.m.
  Special Session on Complex Function Theory of One and Several Variables, III
  Room 402, Center for Continuing Education
  

  • 7:00 a.m.
    The minimum points of the hyperbolic metric in plane domains.
    Marius Overholt*, University of Tennessee, Knoxville
    (856-30-103)
  • 7:40 a.m.
    Calderon Toeplitz operators.
    Krzysztof Nowak, Washington University
    Richard Rochberg*, Washington University
    (856-46-101)
  • 8:20 a.m.
    Polynomial hulls and analytic motions.
    Zbigniew Slodkowski*, University of Illinois, Chicago
    (856-32-85)
  • 9:00 a.m.
    Equivalence of regularity for the Bergman projection and the barred partial-Neumann operator.
    Harold P. Boas, Texas A\thsp\&\thsp M University, College Station
    Emil J. Straube*, Texas A\thsp\&\thsp M University, College Station
    (856-32-94)
• Saturday March 24, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Phase-type Distributions and Some Applications, III
  Room 107, Center for Continuing Education
  

  • 7:00 a.m.
    Observable and unobservable aspects of Markov models.
    Colm O'Cinneide*, Louisiana State University, Baton Rouge
    (856-90-23)
  • 7:40 a.m.
    On multivariate phase type distributions.
    Ushio Sumita*, University of Rochester
    (856-90-22)
  • 8:20 a.m.
    Computer solution of stochastic models.
    Kishor Trivedi*, Duke University
    (856-90-20)
  • 9:00 a.m.
    Phase-type distributions: In the construction of point processes.
    Marcel F. Neuts*, University of Arizona
    (856-90-18)
• Saturday March 24, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Geometry, Physics and Nonlinear PDE's, III: Curvature and geometry
  Room 204, Center for Continuing Education
  

  • 7:00 a.m.
    Null directions and curvature.
    John K. Beem*, University of Missouri, Columbia
    Phillip E. Parker, Wichita State University
    (856-53-53)
  • 7:35 a.m.
    Causal and geodesic behavior of gravitational plane waves.
    P. Ehrlich*, University of Florida
    G. Emch, University of Florida
    G. Galloway, University of Miami
    (856-53-13)
  • 8:10 a.m.
    Riemannian metrics on fiber bundles.
    Gary R. Jensen*, Washington University
    Marco Rigoli, Citta Universitaria, Italy
    (856-53-33)
  • 8:45 a.m.
    Contact Riemannian three-manifolds.
    Samuel I. Goldberg*, University of Illinois, Urbana-Champaign
    (856-53-71)
  • 9:20 a.m.
    A geometric estimate for the index of an umbilic on a smooth surface.
    Frederico Xavier*, University of Notre Dame
    (856-53-14)
• Saturday March 24, 1990, 7:00 a.m.-8:50 a.m.
  Special Session on Combinatorics, III
  Room 405, Center for Continuing Education
  

  • 7:00 a.m.
    Matchings in regular graphs.
    M. D. Plummer*, Vanderbilt University
    (856-05-62)
  • 7:40 a.m.
    The maximum value of the principal eigenvalue of a planar graph.
    B. N. Boots, Wilfrid Laurier University
    Gordon F. Royle*, Vanderbilt University
    (856-05-88)
  • 8:20 a.m.
    On quasi-threshold graphs.
    W. D. Wallis*, Southern Illinois University, Carbondale
    (856-05-42)
• Saturday March 24, 1990, 7:00 a.m.-9:30 a.m.
  Special Session on Singular Integral Operators and Related Areas, II
  Room 403, Center for Continuing Education
  

  • 7:00 a.m.
    Bounded point evaluations.
    Tavan T. Trent*, University of Alabama, Tuscaloosa
    (856-47-81)
  • 7:40 a.m.
    Cauchy integrals on terrible curves.
    J. Michael Wilson*, University of Vermont
    (856-42-74)
  • 8:20 a.m.
    Littlewood-Paley theory on spaces of homogenous type.
    Bj\"orn Jawerth*, University of South Carolina, Columbia
    (856-46-121)
  • 9:00 a.m.
    Singular integral operators and Hardy spaces.
    John Gilbert*, University of Texas, Austin
    (856-42-46)
• Saturday March 24, 1990, 7:30 a.m.-9:50 a.m.
  Special Session on Algebraic Geometry, I
  Room 410, Center for Continuing Education
  

  • 7:30 a.m.
    The Hodge decomposition for smooth quasi-projective varieties.
    Donu Arapura*, Purdue University, West Lafayette
    (856-14-105)
  • 8:00 a.m.
    Obstructions for deformations of singularities.
    Jan Stevens*, University of Utah
    (856-32-97)
  • 8:30 a.m.
    The Artin smoothing problem and the approximation theorems.
    Mark Spivakovsky*, Harvard University
    (856-13-119)
  • 9:00 a.m.
    The structure of small resolutions.
    Sheldon Katz, Oklahoma State University, Stillwater
    David R. Morrison*, Duke University
    (856-14-90)
  • 9:30 a.m.
    Donaldson's polynomials of surfaces in P^3.
    Kieran O'Grady*, Columbia University
    (856-14-95)
• Saturday March 24, 1990, 10:00 a.m.-11:00 a.m.
  Invited Address
  A geometric trace formula for Hecke operators.
  Room 204, Center for Continuing Education
  Mark A. Stern*, Institute for Advanced Study
  (856-58-51)
• Saturday March 24, 1990, 12:00 p.m.-1:00 p.m.
  Invited Address
  Topology and geometry of isolated complex surface singularities.
  Room 204, Center for Continuing Education
  Jonathan Wahl*, University of North Carolina, Chapel Hill
  (856-14-122)
• Saturday March 24, 1990, 1:10 p.m.-4:20 p.m.
  Special Session on Semigroups in Geometry and Analysis, III
  Room 409, Center for Continuing Education
  

  • 1:10 p.m.
    Product integrals in differentiable groupoids with multiplication strongly differentiable at the identity.
    Mitchell J. Anderson*, University of Hawaii, Hilo
    (856-22-106)
  • 1:50 p.m.
    Compact uniquely divisible matrix semigroups.
    Dennison R. Brown, University of Houston, Houston
    James W. Stepp*, University of Houston, Houston
    (856-22-99)
  • 2:30 p.m.
    The lattice of principal ideals of a linear algebraic monoid.
    Mohan S. Putcha*, North Carolina State University
    (856-20-87)
  • 3:10 p.m.
    Infinitesimal bisimple bases and transitive representations of inverse semigroups.
    Boris M. Schein*, University of Arkansas, Fayetteville
    (856-20-107)
  • 3:50 p.m.
    Multiplicative semigroups of infinite dimensional matrices.
    Arunava Mukherjea*, University of South Florida
    (856-15-73)
• Saturday March 24, 1990, 1:10 p.m.-4:00 p.m.
  Special Session on Phase-type Distributions and Some Applications, IV
  Room 107, Center for Continuing Education
  

  • 1:10 p.m.
    A finite capacity dynamic priority queueing model with phase type services.
    S. Chakravarthy*, GMI Engineering and Management Institute, Flint, Michigan
    (856-90-49)
  • 1:50 p.m.
    Must matrix representations of distributions be restricted to phase type?
    Lester Lipsky*, University of Connecticut, Storrs
    (856-90-108)
  • 2:30 p.m.
    The moment problem for continuous distributions.
    Appie van de Liefvoort*, University of Missouri, Kansas City
    (856-90-109)
  • 3:10 p.m.
    Phase-type distributions: Asymptotic results.
    Marcel F. Neuts*, University of Arizona
    (856-90-19)
• Saturday March 24, 1990, 1:10 p.m.-6:20 p.m.
  Special Session on Geometry, Physics and Nonlinear PDE's, IV: Eigenvalues--Scalar curvature
  Room 204, Center for Continuing Education
  

  • 1:10 p.m.
    The local structure of Riemannian manifolds.
    Patrick Ghanaat, Swiss Federal Institute of Technology, Switzerland
    Maung Min-oo, McMaster University
    Ernst A. Ruh*, Ohio State University, Columbus
    (856-53-37)
  • 1:45 p.m.
    Conformal deformation equation and isospectral set of conformal metrics.
    Sun-Yung A. Chang, University of California, Los Angeles
    Paul C. Yang*, University of Southern California
    (856-53-59)
  • 2:20 p.m.
    Prescribed curvature and singularities of conformal metrics on Riemann surfaces.
    Robert C. McOwen*, Northeastern University
    (856-35-61)
  • 2:55 p.m.
    Conformal deformation of metrics to constant mean curvature.
    Jos\'e F. Escobar*, University of Chicago
    (856-53-31)
  • 3:30 p.m.
    Spherical minimal immersions of spherical space forms.
    Dennis DeTurck*, University of Pennsylvania
    (856-53-77)
  • 4:05 p.m.
    The changing geometry of isospectral manifolds.
    Dennis DeTurck, University of Pennsylvania
    Herman Gluck, University of Pennsylvania
    Carolyn Gordon*, Washington University
    David Webb, Washington University
    (856-53-30)
  • 4:40 p.m.
    Domains in Riemannian manifolds and inverse spectral geometry.
    Harold Donnelly, Purdue University, West Lafayette
    Jeffrey Lee*, Purdue University, West Lafayette
    (856-53-55)
  • 5:15 p.m.
    A class of nonlinear partial differential systems with geometric applications.
    S. Walter Wei*, University of Oklahoma
    (856-53-69)
  • 5:50 p.m.
    On the index of the Costa-Hoffan-Meeks minimal surface.
    Peter Li, University of Arizona
    Luen-Fai Tam, The Chinese University of Hong Kong, Hong Kong
    Frank Stenger, University of Utah
    Andrejs E. Treibergs*, University of Utah
    (856-53-52)
• Saturday March 24, 1990, 1:10 p.m.-3:40 p.m.
  Special Session on Combinatorics, IV
  Room 405, Center for Continuing Education
  

  • 1:10 p.m.
    On integrity of matroids.
    Safwan Akkari*, Indiana University-Purdue University, Fort Wayne
    (856-05-43)
  • 1:50 p.m.
    The binary matroids having an element in every 4-wheel minor.
    Talmage James Reid*, University of Mississippi
    (856-05-111)
  • 2:30 p.m.
    On minors avoiding elements in matroids.
    James G. Oxley*, Louisiana State University, Baton Rouge
    (856-05-83)
  • 3:10 p.m.
    On the intersection rank of strongly regular graphs.
    James A. Wiseman*, Southern Illinois University, Carbondale
    (856-05-124)
• Saturday March 24, 1990, 1:15 p.m.-4:05 p.m.
  Special Session on Algebraic Geometry, II
  Room 410, Center for Continuing Education
  

  • 1:15 p.m.
    Orbits of the action of PGL(3) on spaces of plane curves.
    Paolo Aluffi*, Oklahoma State University, Stillwater
    (856-14-104)
  • 1:45 p.m.
    Birational mappings between hypersurfaces of degree M in P^M.
    Bruce Crauder*, Oklahoma State University, Stillwater
    (856-14-93)
  • 2:15 p.m.
    Cremona transformations and syzygies.
    Sheldon Katz*, Oklahoma State University, Stillwater
    Klaus Hulek, Universitaet Bayreuth, Federal Republic of Germany
    Frank Schreyer, Universitaet Bayreuth, Federal Republic of Germany
    (856-14-96)
  • 2:45 p.m.
    Hilbert functions of points in good position in P^2.
    Brian Harbourne*, University of Nebraska, Lincoln
    (856-14-110)
  • 3:15 p.m.
    On set-theoretic complete intersections in complex projective space.
    David B. Jaffe*, University of Nebraska, Lincoln
    (856-14-66)
  • 3:45 p.m.
    Some recent results on the Gaussian map for curves.
    Rick Miranda*, Colorado State University
    (856-14-116)
• Saturday March 24, 1990, 1:15 p.m.-4:10 p.m.
  Special Session on Differential Geometry, II
  Room 404, Center for Continuing Education
  

  • 1:15 p.m.
    Index theory on homogeneous spaces.
    Jeffrey Fox, University of Colorado, Boulder
    Peter Haskell*, Virginia Polytechnic Institute and State University
    (856-46-41)
  • 2:00 p.m.
    Curvature measures of subanalytic sets.
    Joseph H. G. Fu*, Indiana University, Bloomington
    (856-32-29)
  • 2:45 p.m.
    Some aspects of analysis on locally symmetric spaces of finite volume.
    Werner Muller*, Institute for Advanced Study
    (856-53-114)
  • 3:30 p.m.
    Results of integrality of characteristic numbers.
    Sai Kee Yeung*, Massachusetts Institute of Technology
    (856-53-117)