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Reinhardt Free Spectrahedra
Published 3 Dec 2020 in math.FA | (2012.02289v3)
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.
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