The Hyperrigidity Conjecture for Spectrahedra
Operator Algebras
2026-01-23 v1 Functional Analysis
Abstract
We show that if K is a compact spectrahedron whose set of extreme points is closed, then the operator system of continuous affine functions on K is hyperrigid in the C*-algebra C(ex(K)).
Keywords
Cite
@article{arxiv.2601.16075,
title = {The Hyperrigidity Conjecture for Spectrahedra},
author = {Marcel Scherer},
journal= {arXiv preprint arXiv:2601.16075},
year = {2026}
}
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18 pages