Mathematics – Optimization and Control
Scientific paper
2008-04-28
Mathematics
Optimization and Control
12 pages, 1 figure
Scientific paper
An elimination problem in semidefinite programming is solved by means of tensor algebra. It concerns families of matrix cube problems whose constraints are the minimum and maximum eigenvalue function on an affine space of symmetric matrices. An LMI representation is given for the convex set of all feasible instances, and its boundary is studied from the perspective of algebraic geometry. This generalizes the earlier work [12] with Parrilo on k-ellipses and k-ellipsoids.
Nie Jiawang
Sturmfels Bernd
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