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AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:09:38


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1997 Spring Eastern Sectional Meeting
College Park, MD, April 12-13, 1997
Meeting #920

Associate secretaries:
Lesley M Sibner, AMS lsibner@duke.poly.edu

Special Session on Algorithms in Real Algebraic Geometry

  • Saturday April 12, 1997, 9:00 a.m.-10:50 a.m.
    Special Session on Algorithms in Real Algebraic Geometry, I

    Room 0101, Mathematics Building
    Organizers:
    Richard Pollack, Courant Institute of Mathematical Sciences, New York University pollack@geometry.nyu.edu
    Marie-Francoise Roy, University of Rennes I, France costeroy@univ-rennes1.fr

    • 9:00 a.m.
      Combinatorial patchworking of real algebraic varieties
      Ilia Itenberg*, Institut de Recherche Math\'ematique de Rennes, France
      (920-14-90)
    • 9:30 a.m.
      Is regularity of the triangulation necessary in Viro's method?
      Jesus Antonio de Loera*, School of Mathematics and The Geometry Center
      (920-14-111)
    • 10:00 a.m.
      Combinatorics of smoothing of the singularities of the sequences A. D, and J.
      Anatoly Korchagin*, Administrators For the Professions, Inc., NY
      (920-14-65)
    • 10:30 a.m.
      Relations between numerical characteristics of dual real varieties
      Oleg Y. Viro*, University of California, Riverside
      (920-14-259)
  • Saturday April 12, 1997, 2:30 p.m.-4:20 p.m.
    Special Session on Algorithms in Real Algebraic Geometry, II

    Room 0101, Mathematics Building
    Organizers:
    Richard Pollack, Courant Institute of Mathematical Sciences, New York University pollack@geometry.nyu.edu
    Marie-Francoise Roy, University of Rennes I, France costeroy@univ-rennes1.fr

    • 2:30 p.m.
      Complexity of sign determination of remainder sequences
      Thomas Michael Lickteig, Institut fuer Informatik, Bonn, Germany
      Marie-Francoise Roy*, Universit\'e de Rennes I, France
      (920-14-69)
    • 3:00 p.m.
      Real Root Counting in Near-Quadratic Time
      J. Maurice Rojas*, MIT
      (920-14-45)
    • 3:30 p.m.
      A Numerical Schubert Calculus
      Birkett Huber, Department of Mathematics Texas A\&M University
      Frank Sottile*, Mathematical Sciences Research Institute and The University of Toronto
      Bernd Sturmfels, Department of Mathematics, University of California, Berkeley
      (920-14-202)
    • 4:00 p.m.
      Algorithms for expressing forms as a sum of linear powers of forms.
      Bruce Reznick*, University of Illinois at Urbana-Champaign
      (920-14-203)
  • Sunday April 13, 1997, 9:00 a.m.-10:50 a.m.
    Special Session on Algorithms in Real Algebraic Geometry, III

    Room 0101, Mathematics Building
    Organizers:
    Richard Pollack, Courant Institute of Mathematical Sciences, New York University pollack@geometry.nyu.edu
    Marie-Francoise Roy, University of Rennes I, France costeroy@univ-rennes1.fr

    • 9:00 a.m.
      {\bf Nearly sharp parallel complexity bounds for testing arrangements and polyhedra}
      Dima Grigoriev*, Penn State University
      (920-68-06)
    • 9:30 a.m.
      {\bf {VC}-dimension and semi-algebraic sets}
      Herv{\'e} Br{\"o}nnimann*, INRIA Sophia-Antipolis
      (920-68-152)
    • 10:00 a.m.
      Adjunction inequality for real algebraic curves
      Grisha Mikhalkin*, MSRI, Berkeley
      (920-14-24)
    • 10:30 a.m.
      Multiplicity of a zero of an analytic function on a trajectory of a vector field
      Andrei Gabrielov*, Purdue University
      (920-14-95)
  • Sunday April 13, 1997, 2:30 p.m.-4:20 p.m.
    Special Session on Algorithms in Real Algebraic Geometry, IV

    Room 0101, Mathematics Building
    Organizers:
    Richard Pollack, Courant Institute of Mathematical Sciences, New York University pollack@geometry.nyu.edu
    Marie-Francoise Roy, University of Rennes I, France costeroy@univ-rennes1.fr

    • 2:30 p.m.
      Systems of real quadratic equations
      Alexander Barvinok*, University of Michigan
      (920-14-88)
    • 3:00 p.m.
      On bounding the complexity of the connected components of semi-algebraic sets.
      Saugata Basu*, Mathematical Sciences Research Institute, Berkeley.
      Richard Pollack, Courant Institute, New York University
      Marie-Francoise Roy, Institut Mathematique, Universite de Rennes. France
      (920-68-227)
    • 3:30 p.m.
      Cylindrical Algebraic Decomposition adapted to a set of equalities and global projection operators
      Laureano Gonzalez-Vega*, Universidad de Cantabria, Spain
      Neila Gonzalez-Campos, Universidad de Cantabria, Spain
      (920-14-70)
    • 4:00 p.m.
      Algorithms for preorders associated with semi-algebraic sets.
      Victoria Powers*, Emory University
      Claus Scheiderer, Universit\"at Regensburg
      (920-14-177)
Inquiries:  meet@ams.org