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Seminar

GTC Main Seminar: Positive Semidefinite Matrix Completion and Free Resolutions of monomial ideals September 12, 2017 (10:00 AM PDT - 11:00 AM PDT)
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Location: MSRI: Simons Auditorium
Speaker(s) Rainer Sinn (Max-Planck-Institut für Mathematik in den Naturwissenschaften)
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We will discuss the positive semidefinite matrix completion problem. The point of view of convex geometry, in particular the relationship between spectrahedra and sums of squares, reveals connections to minimal free resolutions of square-free monomial ideals. We discuss new results in the area proved using these tools.

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