
AMS Sectional Meeting Program by Special Session
Current as of Saturday, April 4, 2009 00:27:23
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2009 Spring Central Sectional Meeting
Urbana, IL, March 2729, 2009 (Friday  Sunday)
Meeting #1047
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Concrete Aspects of Real Positive Polynomials

Friday March 27, 2009, 2:00 p.m.4:50 p.m.
Special Session on Concrete Aspects of Real Positive Polynomials, I
Room 162, Noyes Lab Organizers: Victoria Powers, Emory University vicki@mathcs.emory.edu
Bruce Reznick, University of Illinois at UrbanaChampaign reznick@illinois.edu

2:00 p.m.
Optimizing Polynomials via Low Dimensional Restrictions.
Grigoriy Blekherman*, Brooklyn, NY
(104726298)

2:30 p.m.
A convex polynomial that is not SOSconvex.
Amir Ali Ahmadi, Massachusetts Institute of Technology
Pablo A. Parrilo*, Massachusetts Institute of Technology
(104712415)

3:00 p.m.
Rational sums of squares and applications.
Christopher Jacques Hillar*, MSRI
(104713424)

3:30 p.m.
Diagonal minus tail forms and Lasserre's sufficient conditions for sums of squares.
Carla Fidalgo*, Departamento de Física e Matemática, Instituto Superior de Engenharia de Coimbra
Alexander Kovacec, Departamento de Matemática, Universidade de Coimbra
(104714246)

4:00 p.m.
Noncoercive sums of squares in $\mathbb{R} [x_1, ... ,x_n]$.
Gregory C Verchota*, Syracuse University
(10471265)

4:30 p.m.
On Hilbert's theorem for psd ternary sextics.
Bruce Reznick*, University of Illinois at UrbanaChampaign
(104714390)

Saturday March 28, 2009, 8:30 a.m.11:20 a.m.
Special Session on Concrete Aspects of Real Positive Polynomials, II
Room 162, Noyes Lab Organizers: Victoria Powers, Emory University vicki@mathcs.emory.edu
Bruce Reznick, University of Illinois at UrbanaChampaign reznick@illinois.edu

8:30 a.m.
Polynomials nonnegative on the strip.
Murray A. Marshall*, Department of Mathematics and Statistics, University of Saskatchewan
(10471460)

9:00 a.m.
Positivity in power series rings.
Salma Kuhlmann*, University of Saskatchewan, Canada
J. Cimpric, University of Ljubljana, Slovenia
M. Marshall, University of Saskatchewan
(104712331)

9:30 a.m.
Cubic Column Relations in Truncated Moment Problems.
Raúl E Curto*, The University of Iowa
(104747427)

10:00 a.m.
A new, simpler finitary construction of the real closure of a discrete ordered field.
Charles N. Delzell*, Louisiana State University
(104712428)

10:30 a.m.
Pólya's Theorem with Zeros.
Mari F. Castle*, Kennesaw State University
Victoria Powers, Emory University
Bruce Reznick, University of Illinois, Urbana
(104714381)

11:00 a.m.
Pólya's Theorem, Applications and Generalizations.
Victoria Powers*, Emory University
(104714344)

Saturday March 28, 2009, 3:00 p.m.4:50 p.m.
Special Session on Concrete Aspects of Real Positive Polynomials, III
Room 162, Noyes Lab Organizers: Victoria Powers, Emory University vicki@mathcs.emory.edu
Bruce Reznick, University of Illinois at UrbanaChampaign reznick@illinois.edu

3:00 p.m.
Exact certification in global polynomial optimization via sumsofsquares of rational functions with rational coefficients.
Erich Kaltofen*, North Carolina State University
Bin Li, Key Lab. of Math. Mechanization, AMSS, Beijing 100190, China
Zhengfeng Yang, Shanghai Key Lab. of Trustworthy Comput., SEI, East China Normal University, Shanghai 200062, China
Lihong Zhi, Key Lab. of Math. Mechanization, AMSS, Beijing 100190, China
(10471276)

3:30 p.m.
Polynomial hierarchy, Betti numbers and a real analogue of Toda's theorem.
Saugata Basu*, Department of Mathematics, Purdue University
Thierry Zell, Department of Mathematics and Computing Sciences, LenoirRhyne University
(104714400)

4:00 p.m.
Amoebas and coamoebas, relationships and similarities.
Mounir Nisse*, University Pierre et Marie Curie  Paris 6, IMJ (UMR 7586)
(10471477)

4:30 p.m.
Positivity properties of Schoenberg's quadratic forms  a recurrent theme.
Kenneth B Stolarsky*, University of Illinois
(104712162)
Inquiries: meet@ams.org

