AMS Sectional Meeting Full Program

Current as of Tuesday, April 12, 2005 15:08:45

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Program  |  Deadlines  |  Inquiries:  meet@ams.org

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1990 Western Section Meeting
Irvine, CA, November 10-11, 1990
Meeting #862

Associate secretaries:
Lance W Small, AMS lwsmall@ucsd.edu

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Saturday November 10, 1990

• Saturday November 10, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Interactions Between Group Theory and Geometry/Number Theory, I
  Room 108, Physical Sciences I
  

  • 7:00 a.m.
    p-Algebras over maximally complete fields.
    Bill Jacob*, University of California, Santa Barbara
    (862-16-22)
  • 7:30 a.m.
    K-admissibility of A_6 and A_7.
    Murray Schacher*, University of California, Los Angeles
    (862-12-23)
  • 8:00 a.m.
    Maximal subfields of division algebras over rational function fields.
    Burton Fein*, Oregon State University
    (862-12-19)
  • 8:30 a.m.
    The genus zero problem for M_24.
    Geoffrey Mason*, University of California, Santa Cruz
    (862-20-34)
  • 9:00 a.m.
    On multiplication by n in the Jacobians of hyperelliptic curves.
    David G. Cantor*, University of California, Los Angeles
    (862-20-49)
  • 9:30 a.m.
    Solvable algebras and weight vectors for group geometries.
    Stephen D. Smith*, University of Illinois, Chicago
    (862-20-25)
• Saturday November 10, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Operator Theory/Operator Algebras, I
  Room 114, Physical Sciences I
  

  • 7:00 a.m.
    A Hankel matrix approach to truncated moment problems.
    Raul E. Curto*, University of Iowa
    (862-47-57)
  • 7:30 a.m.
    Function algebras on Riemann surfaces and their representations: Induction and dilation.
    Palle E. T. J\o rgensen*, University of Iowa
    (862-46-89)
  • 8:00 a.m.
    M-ideals and quotients of subdiagonal algebras.
    Yiu Tung Poon, Iowa State University
    Zhong-Jin Ruan*, University of Illinois, Urbana-Champaign
    (862-47-55)
  • 8:30 a.m.
    The structure of twisted SU(3) groups.
    Albert Jeu-Liang Sheu*, University of Kansas
    (862-46-27)
  • 9:00 a.m.
    Properties of the Haagerup tensor product.
    Roger R. Smith*, Texas A\thsp\&\thsp M University, College Station
    (862-46-01)
  • 9:30 a.m.
    A Riesz decomposition property and its consequences.
    Shuang Zhang*, University of Cincinnati
    (862-46-06)
• Saturday November 10, 1990, 7:30 a.m.-9:50 a.m.
  Special Session on Probability Theory in Mathematical Physics, I
  Room 230, Physical Sciences Classroom Facility
  

  • 7:30 a.m.
    Forest fires with regrowth in D = 2.
    C. Neuhauser*, University of Southern California
    R. Durrett, Cornell University
    (862-60-44)
  • 8:00 a.m.
    Hydrodynamics for totally asymmetric attractive particle system with general initial profiles.
    Jean-Pierre Fouque*, University of California, Irvine
    (862-60-40)
  • 8:30 a.m.
    Mathematical models of catalytic surfaces.
    Eric Grannan*, AT&T Bell Laboratories, Murray Hill, New Jersey
    Glen Swindle, University of California, Santa Barbara
    (862-60-41)
  • 9:00 a.m.
    The contact process in a random environment.
    Thomas M. Liggett*, University of California, Los Angeles
    (862-60-47)
  • 9:30 a.m.
    Droplet model for autocorrelation functions in an Ising ferromagnet.
    C. Tang*, University of California, Santa Barbara
    H. Nakanishi, University of California, Santa Barbara
    J. S. Langer, University of California, Santa Barbara
    (862-60-43)
• Saturday November 10, 1990, 8:00 a.m.-9:50 a.m.
  Special Session on Interactions Between Group Theory and Logic, I
  Room 210, Physical Sciences Classroom Facility
  

  • 8:00 a.m.
    On a class of abelian p-groups.
    Manfred Dugas*, Baylor University
    John Irwin, Wayne State University
    (862-20-70)
  • 8:30 a.m.
    Infinite rank Butler groups, III.
    K. M. Rangaswamy*, University of Colorado, Colorado Springs
    (862-20-10)
  • 9:00 a.m.
    A class of groups characterized by their socles.
    Patrick Keef*, Whitman College
    (862-20-83)
  • 9:30 a.m.
    Superstable differential fields.
    \v Zeljko Sokolovi\'c*, University of Notre Dame
    (862-03-74)
• Saturday November 10, 1990, 8:00 a.m.-9:50 a.m.
  Special Session on Geometric P.D.E.'s: Mean and Scalar Curvature Problems, I
  Room 158, Physical Sciences I
  

  • 8:00 a.m.
    Harmonic maps on noncompact manifolds.
    Peter Li, University of Arizona
    Luen-Fai Tam*, University of California, Irvine
    (862-53-52)
  • 8:40 a.m.
    Mean curvature evolution and front movement for the bistable equation.
    L. C. Evans*, University of California, Berkeley
    (862-35-86)
  • 9:20 a.m.
    Curvature-dependent motion of curves and surfaces.
    J. A. Sethian*, University of California, Berkeley
    (862-35-33)
• Saturday November 10, 1990, 10:00 a.m.-10:50 a.m.
  Invited Address
  Parameter spaces in the inverse Galois problem.
  0, Physical Sciences Lecture Hall
  Michael D. Fried*, University of California, Irvine
  (862-12-12)
• Saturday November 10, 1990, 1:00 p.m.-3:30 p.m.
  Special Session on Interactions Between Group Theory and Logic, II
  Room 210, Physical Sciences Classroom Facility
  

  • 1:00 p.m.
    Involutions in groups of finite Morley rank.
    Alexandre Borovik*, Omsk University, USSR and University of California, Irvine
    (862-20-09)
  • 1:30 p.m.
    Model theory of Lie algebras.
    Richard Rosengarden*, Rutgers University, New Brunswick
    (862-03-77)
  • 2:00 p.m.
    The cohomological dimension of locally finite groups.
    Peter Kropholler, Queen Mary College, England
    Simon Thomas*, Rutgers University, New Brunswick
    (862-20-96)
  • 2:30 p.m.
    Arities of finite permutation groups.
    Gary A. Martin*, Southeastern Massachusetts University
    Gregory Cherlin, Rutgers University, New Brunswick
    (862-20-59)
  • 3:00 p.m.
    Discussion
• Saturday November 10, 1990, 1:00 p.m.-2:20 p.m.
  Special Session on Interactions Between Group Theory and Geometry/Number Theory, II
  Room 108, Physical Sciences I
  

  • 1:00 p.m.
    Fixedpoint ratios for finite groups.
    Michael Aschbacher*, California Institute of Technology
    (862-20-60)
  • 1:30 p.m.
    Extensions of simple modules for SL_3(2^n), SU_3(2^n), Sp_4(2^n) and Sz(2^m).
    Peter Sin*, University of Florida
    (862-20-48)
  • 2:00 p.m.
    Some examples of infinite Frobenius groups.
    Michael J. Collins*, California Institute of Technology
    (862-20-30)
• Saturday November 10, 1990, 1:00 p.m.-4:00 p.m.
  Special Session on Quantum and Statistical Mechanics, I
  Room 230, Physical Sciences Classroom Facility
  

  • 1:00 p.m.
    Droplet shape, droplet condensation and large deviation estimates.
    Senya Shlosman*, Academy of Science of the USSR
    (862-82-66)
  • 1:30 p.m.
    Effects of static disorder in statistical mechanics.
    Jan Wehr*, Institute for Advanced Study
    (862-82-68)
  • 2:00 p.m.
    One dimensional Anderson models in the weak disorder limit.
    Athanasios Speis*, University of Michigan
    (862-81-67)
  • 2:30 p.m.
    Orstein-Zernike decay in the ground state of the Ising model in a strong transverse field.
    Tom Kennedy*, University of Arizona
    (862-82-73)
  • 3:00 p.m.
    Quantum spin systems with disorder.
    Abel Klein*, University of California, Irvine
    (862-82-63)
  • 3:30 p.m.
    Discussion
• Saturday November 10, 1990, 1:00 p.m.-4:50 p.m.
  Special Session on Operator Theory/Operator Algebras, II
  Room 114, Physical Sciences I
  

  • 1:00 p.m.
    Facial structure in operator algebra theory.
    Charles A. Akemann*, University of California, Santa Barbara
    Gert K. Pedersen, Matematisk Institut, Denmark
    (862-46-05)
  • 1:30 p.m.
    Algebras associated with sets of semigroups of isometries.
    William Arveson*, University of California, Berkeley
    (862-46-91)
  • 2:00 p.m.
    Projective tensor products for operator spaces and non-commutative coactions.
    Edward Effros*, University of California, Los Angeles
    Zhong-Jin Ruan, University of Illinois, Urbana-Champaign
    (862-46-93)
  • 2:30 p.m.
    A dense set of operators with tiny commutants.
    Domingo A. Herrero*, Arizona State University
    (862-47-03)
  • 3:00 p.m.
    The derived tower of certain type III_lambda inclusions of index 4.
    Phan H. Loi*, University of California, Los Angeles
    (862-46-04)
  • 3:30 p.m.
    C^*-algebras generated by the elements of a unitary matrix.
    Kevin P. McClanahan*, University of California, Los Angeles
    (862-46-90)
  • 4:00 p.m.
    Almost multiplicative maps between operator algebras.
    Barry E. Johnson*, University of Newcastle Upon Tyne, England
    (862-46-87)
  • 4:30 p.m.
    Cohomology for operator algebras.
    Frank L. Gilfeather*, University of New Mexico
    (862-47-100)
• Saturday November 10, 1990, 1:00 p.m.-3:30 p.m.
  Special Session on Geometric P.D.E.'s: Mean and Scalar Curvature Problems, II
  Room 158, Physical Sciences I
  

  • 1:00 p.m.
    Recent results on scalar curvature.
    R. Schoen*, Stanford University
    (862-53-50)
  • 1:40 p.m.
    Higher order conformal invariants on S^n.
    Sun-Yung A. Chang*, University of California, Los Angeles
    (862-53-85)
  • 2:20 p.m.
    The singular Yamabe problem on the sphere.
    Rafe Mazzeo*, Stanford University
    Nat Smale, University of Utah
    (862-53-51)
  • 3:00 p.m.
    Gaussian curvature on S^2-rotationally symmetric case.
    Xingwang Xu*, University of California, Los Angeles
    (862-53-81)
• Saturday November 10, 1990, 2:30 p.m.-5:20 p.m.
  Special Session on Moduli Space Applications, I
  Room 108, Physical Sciences I
  

  • 2:30 p.m.
    Extensions of number fields arising from branched coverings.
    Sybilla Beckmann*, University of Georgia
    (862-14-17)
  • 3:00 p.m.
    Universal Cayley-Hamilton algebras.
    Zinovy Reichstein*, Mathematical Sciences Research Institute, Berkeley
    (862-14-101)
  • 3:30 p.m.
    Canonical bundle and deformations.
    Ziv Ran*, University of California, Riverside
    (862-14-35)
  • 4:00 p.m.
    Vanishing theorems and the equations defining projective varieties.
    Robert Lazarsfeld*, University of California, Los Angeles
    (862-14-28)
  • 4:30 p.m.
    Curves as Hurwitz spaces.
    David Harbater*, University of Pennsylvania
    (862-14-15)
  • 5:00 p.m.
    Singular hyperbolic structures.
    Steve Kerckhoff*, Stanford University
    (862-58-16)

Sunday November 11, 1990

• Sunday November 11, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Interactions Between Group Theory and Geometry/Number Theory, III
  Room 108, Physical Sciences I
  

  • 7:00 a.m.
    Planar difference sets and multipliers.
    Chat Y. Ho*, University of Florida
    (862-20-53)
  • 7:30 a.m.
    On monodromy groups of fixed genus.
    Michael G. Neubauer*, University of Texas, Austin
    (862-20-56)
  • 8:00 a.m.
    Central extensions as Galois groups.
    H. V\"olklein*, University of Florida
    (862-11-21)
  • 8:30 a.m.
    Disconnected groups of Lie type as Galois groups.
    Gunter Malle*, IWR, Federal Republic of Germany
    (862-20-20)
  • 9:00 a.m.
    Algebraic fundamental groups.
    Shreeram S. Abhyankar*, Purdue University, West Lafayette
    (862-14-18)
  • 9:30 a.m.
    Kloosterman sums for Chevalley groups.
    Romuald D\c abrowski*, Indiana University, Bloomington
    (862-20-24)
• Sunday November 11, 1990, 7:00 a.m.-9:50 a.m.
  Special Session on Operator Theory/Operator Algebras, III
  Room 114, Physical Sciences I
  

  • 7:00 a.m.
    Surjective isometries of real C^*-algebras.
    Cho-Ho Chu, University of London, England
    Truong Dang*, Irvine, CA
    Bernard Russo, University of California, Irvine
    Belisario Ventura, California State University, San Bernardino
    (862-46-92)
  • 7:30 a.m.
    How many exponentials?
    N. Christopher Phillips*, University of Oregon
    (862-46-02)
  • 8:00 a.m.
    Analyticity in triangular UHF algebras.
    Baruch Solel, University of Haifa, Israel
    Belisario A. Ventura*, California State University, San Bernardino
    (862-46-88)
  • 8:30 a.m.
    Triangular AF algebras.
    Alan Hopenwasser*, University of Alabama, Tuscaloosa
    (862-47-08)
  • 9:00 a.m.
    Duality and harmonic analysis for groups, hypergroups, and groupoids.
    Martin E. Walter*, University of Colorado, Boulder
    (862-43-97)
  • 9:30 a.m.
    Geometric characterization of B(H,K).
    Yaakov Friedman, Jerusalem College of Technology, Israel
    Bernard Russo*, University of California, Irvine
    (862-46-94)
• Sunday November 11, 1990, 7:00 a.m.-9:50 a.m.
  General Session
  Room 240, Physical Sciences I
  

  • 7:00 a.m.
    Generalized integral Iwasawa and Bruhat-Steinberg decompositions for semisimple groups.
    Yevsey Nisnevich*, Johns Hopkins University
    (862-11-58)
  • 7:20 a.m.
    On differential algebraic groups.
    Anand Pillay, University of Notre Dame
    \v Zeljko Sokolovi\'c*, University of Notre Dame
    (862-03-62)
  • 7:40 a.m.
    Certain Todd-Coxeter approximations and universal covers of 3-manifolds.
    John R. Stallings*, University of California, Berkeley
    (862-20-11)
  • 8:00 a.m.
    Counting subgroups of given index and orbit structure in free groups.
    Reinhard O. W. Franz*, University of Bielefeld, Federal Republic of Germany
    (862-20-79)
  • 8:20 a.m.
    Generalized translational spaces.
    C. R. Giardina*, City College, City University of New York
    (862-94-69)
  • 8:40 a.m.
    Conditioning infinitely monotone capacities.
    Carl G. Wagner*, University of Tennessee, Knoxville
    (862-60-07)
  • 9:00 a.m.
    Transient solutions of the M/M/1 queueing system using Taylor series.
    Alan Krinik*, California Polytechnic State University
    (862-60-54)
  • 9:20 a.m.
    A f-distance property of d-symbol aperiodic sequences arising from a cut-and-project method.
    Ramin Vakilian*, University of California, Davis
    (862-82-71)
  • 9:40 a.m.
    Information, complexity and meaning
    Ben Goertzel*, University of Nevada, Las Vegas
    (862-68-95)
• Sunday November 11, 1990, 7:30 a.m.-9:50 a.m.
  Special Session on Geometric P.D.E.'s: Mean and Scalar Curvature Problems, III
  Room 158, Physical Sciences I
  

  • 7:30 a.m.
    Discussion
  • 8:00 a.m.
    Minimal submanifolds with isolated singularities.
    N. Smale*, University of Utah
    (862-35-80)
  • 8:40 a.m.
    Conformal deformation of metrics to constant mean curvature.
    Jos\'e F. Escobar*, Indiana University, Bloomington
    (862-53-98)
  • 9:20 a.m.
    Existence of the general constant mean curvature torus.
    N. Ercolani*, University of Arizona
    H. Knorrer, Eidgen\"ossische Technische Hochschule, Switzerland
    E. Trubowitz, Eidgen\"ossische Technische Hochschule, Switzerland
    (862-53-84)
• Sunday November 11, 1990, 8:00 a.m.-9:50 a.m.
  Special Session on Interactions Between Group Theory and Logic, III
  Room 210, Physical Sciences Classroom Facility
  

  • 8:00 a.m.
    Solvable groups of finite Morley rank.
    Luis-Jaime Corredor*, University of California, Irvine
    (862-20-78)
  • 8:30 a.m.
    Groups and long Ehrenfeucht-Fraisse games.
    Alan H. Mekler*, Simon Fraser University
    (862-03-76)
  • 9:00 a.m.
    The generalized Saffe condition.
    Ivo Herzog*, University of California, Irvine
    (862-03-75)
  • 9:30 a.m.
    Finite matrix groups and representation theory of artinian rings.
    Birge Zimmermann Huisgen*, University of Utah
    (862-16-26)
• Sunday November 11, 1990, 8:00 a.m.-9:50 a.m.
  Special Session on Probability Theory in Mathematical Physics, II
  Room 230, Physical Sciences Classroom Facility
  

  • 8:00 a.m.
    Symmetry and change of measure.
    Joe Watkins*, University of Southern California
    (862-60-39)
  • 8:30 a.m.
    Random laws for stationary processes.
    Kenneth S. Alexander*, University of Southern California
    Steven A. Kalikow, University of Southern California
    (862-60-45)
  • 9:00 a.m.
    Continuity of the percolation transition.
    David Barsky*, University of California, Davis
    (862-60-46)
  • 9:30 a.m.
    Quantum sticky spheres and Bessel bridges.
    Mathew Penrose*, University of California, Santa Barbara
    O. Penrose, University of California, Santa Barbara
    G. Stell, University of California, Santa Barbara
    R. Pemantle, University of California, Santa Barbara
    (862-60-42)
• Sunday November 11, 1990, 10:00 a.m.-10:50 a.m.
  Invited Address
  Nature of the critical phenomenon in self-organized criticality.
  0, Physical Sciences Lecture Hall
  Jennifer T. Chayes*, University of California, Los Angeles
  (862-60-102)
• Sunday November 11, 1990, 1:00 p.m.-1:50 p.m.
  Invited Address
• Sunday November 11, 1990, 2:00 p.m.-4:20 p.m.
  Special Session on Quantum and Statistical Mechanics, II
  Room 230, Physical Sciences Classroom Facility
  

  • 2:00 p.m.
    Finite size scaling behavior of a biased majority rule cellular automation.
    Roberto H. Schonmann*, University of California, Los Angeles
    (862-82-65)
  • 2:30 p.m.
    Stability of a self-organizing process.
    William G. Faris*, University of Arizona
    (862-82-72)
  • 3:00 p.m.
    Renormalizations and thermodynamic formalism.
    Konstantin M. Khanin*, Academy of Science of the USSR
    (862-82-64)
  • 3:30 p.m.
    Tau-functions and isomonodromy.
    Craig A. Tracy*, University of California, Davis
    (862-35-99)
  • 4:00 p.m.
    Essential selfadjointness of relativistic Schrodinger operators: Path integral methods.
    Rene Carmona*, University of California, Irvine
    (862-81-61)
• Sunday November 11, 1990, 2:00 p.m.-4:30 p.m.
  Special Session on Geometric P.D.E.'s: Mean and Scalar Curvature Problems, IV
  Room 158, Physical Sciences I
  

  • 2:00 p.m.
    The pendent liquid drop.
    Robert Finn*, Stanford University
    (862-35-38)
  • 2:40 p.m.
    The structure of the space of complete embedded minimal surfaces of finite topology.
    David Hoffman*, University of Massachusetts, Amherst
    (862-53-82)
  • 3:20 p.m.
    Embedded minimal surfaces and quadratic area growth.
    Robert B. Kusner*, University of Massachusetts, Amherst
    William H. Meeks, III, University of Massachusetts, Amherst
    (862-53-36)
  • 4:00 p.m.
    The Gauss map of constant mean curvature surfaces of Minkowski space.
    H. I. Choi, University of Iowa
    Andrejs E. Treibergs*, University of Utah
    (862-53-37)
• Sunday November 11, 1990, 2:00 p.m.-4:20 p.m.
  Special Session on Moduli Space Applications, II
  Room 108, Physical Sciences I
  

  • 2:00 p.m.
    Circle packings as moduli for Riemann surfaces.
    Robert Brooks*, University of Southern California
    (862-22-14)
  • 2:30 p.m.
    On the Hilbert scheme of codimension 2 subvarieties.
    Mei-Chu Chang*, University of California, Riverside
    (862-14-31)
  • 3:00 p.m.
    Diffeomorphism types of varieties.
    Robert Friedman*, Columbia University
    (862-14-32)
  • 3:30 p.m.
    Moduli of rational double points and small resolutions.
    Sheldon Katz*, Oklahoma State University, Stillwater
    David R. Morrison, Duke University
    (862-14-29)
  • 4:00 p.m.
    A new super KP system and a characterization of the Jacobians of arbitrary algebraic super curves.
    Motohico Mulase*, University of California, Davis
    (862-22-13)

Inquiries:  meet@ams.org

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