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AMS Sectional Meeting Program by Special Session

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1990 Fall Central Section Meeting
Denton, TX, November 2-3, 1990
Meeting #861

Associate secretaries:
Andy R Magid, AMS

Special Session on Algebraic Geometry

  • Friday November 2, 1990, 7:30 a.m.-9:50 a.m.
    Special Session on Algebraic Geometry, I

    Room 418, University Union Building

    • 7:30 a.m.
      Homotopy limits in general (co)fibration categories.
      Jerome William Hoffman*, Louisiana State University, Baton Rouge
    • 8:00 a.m.
      Goppa codes and Weierstrass gaps.
      Robert F. Lax*, Louisiana State University, Baton Rouge
    • 8:30 a.m.
      Periods of mixed cusp forms.
      Min Ho Lee*, University of Northern Iowa
    • 9:00 a.m.
      A beginner's guide to Persson diagrams.
      Charles F. Schwartz*, Rider College
      William L. Hoyt, Rutgers University, New Brunswick
    • 9:30 a.m.
      Nef cotangent bundles of branched coverings.
      Michael J. Spurr*, East Carolina University
  • Friday November 2, 1990, 1:30 p.m.-4:50 p.m.
    Special Session on Algebraic Geometry, II

    Room 418, University Union Building

    • 1:30 p.m.
      Exponential sums and Newton polyhedra.
      Alan Adolphson*, Oklahoma State University, Stillwater
    • 2:00 p.m.
      Characteristic numbers for singular cubics.
      Paolo Aluffi*, Oklahoma State University, Stillwater
    • 2:30 p.m.
      Birational mappings between hypersurfaces of degree M+1 in P^M+1.
      Bruce Crauder*, Oklahoma State University, Stillwater
    • 3:00 p.m.
      Families of Abelian varieties over modular curves, the generalized Tate conjecture, and ordinary primes for modular forms.
      B. Brent Gordon*, University of Oklahoma
    • 3:30 p.m.
      Hilbert modular threefolds.
      H. G. Grundman*, Massachusetts Institute of Technology
    • 4:00 p.m.
      Homogeneous and scheme-theoretic generation of varieties by quadrics.
      Sheldon Katz*, Oklahoma State University, Stillwater
    • 4:30 p.m.
      On the existence of components of the Hilbert scheme with the expected number of moduli.
      Angelo Lopez*, University of California, Riverside
  • Saturday November 3, 1990, 7:00 a.m.-9:50 a.m.
    Special Session on Algebraic Geometry, III

    Room 418, University Union Building

    • 7:00 a.m.
      On desingularized Horrocks-Mumford quintics.
      Ciprian Borcea*, Institute for Advanced Study
    • 7:30 a.m.
      Period relations for twisted Legendre equations.
      W. L. Hoyt*, Rutgers University, New Brunswick
    • 8:00 a.m.
      Field of definition of the group of sections of elliptic surfaces.
      Masato Kuwata*, University of British Columbia,
    • 8:30 a.m.
      The singularities of the parameter surface of a minimal elliptic threefolds.
      Antonella Grassi*, Tufts University
    • 9:00 a.m.
      On a conjecture of Tyurin.
      Yun-Gang Ye*, Duke University
    • 9:30 a.m.
      Adjunction for vector bundles.
      Qi Zhang*, Johns Hopkins University, Baltimore
  • Saturday November 3, 1990, 2:00 p.m.-4:20 p.m.
    Special Session on Algebraic Geometry, IV

    Room 418, University Union Building

    • 2:00 p.m.
      Spaces of rational functions on curves over finite fields.
      Stephen A. DiPippo*, Brigham Young University
    • 2:30 p.m.
      Embeddings of rational surfaces as Cohen-Macaulay varieties.
      A. V. Geramita, Queen's University
      A. Gimigliano, Universit\'a di Genova, Italy
      B. Harbourne*, University of Nebraska, Lincoln
    • 3:00 p.m.
      The arithmetic of the Jacobian of a Fermat curve.
      William G. McCallum*, University of Arizona
    • 3:30 p.m.
      Elliptic surfaces.
      Peter F. Stiller*, Texas A\thsp\&\thsp M University, College Station
    • 4:00 p.m.
      Informal Discussion