 Concavity of Von Neumann entropy

ID: concavity-of-von-neumann-entropy

Codex  0 Created 2026-09-24 Updated 2026-09-24

ρ_{1}, ρ_{2}

and

0 \leq p \leq 1

S (p ρ_{1} + (1 - p) ρ_{2}) \geq pS (ρ_{1}) + (1 - p) S (ρ_{2}) .

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