AMS Sectional Meeting Program by Special Session

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

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

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