Reinhardt Free Spectrahedra
arXiv:2012.02289
Abstract
Free spectrahedra are natural objects in the theories of operator systems and spaces and completely positive maps. They also appear in various engineering applications. In this paper, free spectrahedra satisfying a Reinhardt symmetry condition are characterized graph theoretically. It is also shown that, for a simple class of such spectrahedra, automorphisms are linear.
arXiv commentMinor corrections and expository upgrades