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 1213, 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
MarieFrancoise Roy, University of Rennes I, France costeroy@univrennes1.fr

9:00 a.m.
Combinatorial patchworking of real algebraic varieties
Ilia Itenberg*, Institut de Recherche Math\'ematique de Rennes, France
(9201490)

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
(92014111)

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
(9201465)

10:30 a.m.
Relations between numerical characteristics of dual real varieties
Oleg Y. Viro*, University of California, Riverside
(92014259)

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
MarieFrancoise Roy, University of Rennes I, France costeroy@univrennes1.fr

2:30 p.m.
Complexity of sign determination of remainder sequences
Thomas Michael Lickteig, Institut fuer Informatik, Bonn, Germany
MarieFrancoise Roy*, Universit\'e de Rennes I, France
(9201469)

3:00 p.m.
Real Root Counting in NearQuadratic Time
J. Maurice Rojas*, MIT
(9201445)

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
(92014202)

4:00 p.m.
Algorithms for expressing forms as a sum of linear powers of forms.
Bruce Reznick*, University of Illinois at UrbanaChampaign
(92014203)

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
MarieFrancoise Roy, University of Rennes I, France costeroy@univrennes1.fr

9:00 a.m.
{\bf Nearly sharp parallel complexity bounds for testing arrangements and polyhedra}
Dima Grigoriev*, Penn State University
(9206806)

9:30 a.m.
{\bf {VC}dimension and semialgebraic sets}
Herv{\'e} Br{\"o}nnimann*, INRIA SophiaAntipolis
(92068152)

10:00 a.m.
Adjunction inequality for real algebraic curves
Grisha Mikhalkin*, MSRI, Berkeley
(9201424)

10:30 a.m.
Multiplicity of a zero of an analytic function on a trajectory of a vector field
Andrei Gabrielov*, Purdue University
(9201495)

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
MarieFrancoise Roy, University of Rennes I, France costeroy@univrennes1.fr

2:30 p.m.
Systems of real quadratic equations
Alexander Barvinok*, University of Michigan
(9201488)

3:00 p.m.
On bounding the complexity of the connected components of semialgebraic sets.
Saugata Basu*, Mathematical Sciences Research Institute, Berkeley.
Richard Pollack, Courant Institute, New York University
MarieFrancoise Roy, Institut Mathematique, Universite de Rennes. France
(92068227)

3:30 p.m.
Cylindrical Algebraic Decomposition adapted to a set of equalities and global projection operators
Laureano GonzalezVega*, Universidad de Cantabria, Spain
Neila GonzalezCampos, Universidad de Cantabria, Spain
(9201470)

4:00 p.m.
Algorithms for preorders associated with semialgebraic sets.
Victoria Powers*, Emory University
Claus Scheiderer, Universit\"at Regensburg
(92014177)
Inquiries: meet@ams.org