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Paulsen–Raghupathi conjecture on logmodular subalgebras of matrix algebras
Let $\mathcal{A}$ be a subalgebra of $M_n(\mathbb{C})$ . The algebra $\mathcal{A}$ is logmodular if the set … is dense in the set of positive invertible elements of…
Conjecturesolvedlogmodularity matrix-algebras operator-algebrasarXiv posted 2 days ago

Paulsen–Raghupathi conjecture on logmodular subalgebras of matrix algebras