Abstract for the talk on 25.07.2017 (11:00 h)

Seminar on Non-Linear Algebra

Rainer Sinn (MPI MIS, Leipzig)
Positive Semidefinite Matrix Completion and Sums of Squares
25.07.2017, 11:00 h, MPI für Mathematik in den Naturwissenschaften Leipzig, E1 05 (Leibniz-Saal)

We focus on geometric (convex and algebraic) aspects of the positive semidefinite matrix completion problem. Of particular interest will be the geometry of Hankel spectrahedra.