Abstract for the talk on 25.07.2017 (11:00 h)Seminar on Nonlinear Algebra
Rainer Sinn (MPI MIS, Leipzig)
Positive Semidefinite Matrix Completion and Sums of Squares
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.