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POP

Seminar

Positive Semidefinite Rank of Polytopes

Robinson, RZ (University of Washington)
Friday 19 July 2013, 15:00-15:30

Seminar Room 1, Newton Institute

Abstract

We define the positive semidefinite (psd) rank of a polytope P to be the size of the smallest cone of psd matrices that admits a lift of P. This can be thought of as a measure on how well semidefinite programming may be used to optimize over P. We will present an overview of the subject, several recent results, and some open problems.

Presentation

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