Proposition 3.50 . [02LY]

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Proposition 3.50.

Let $f$ be a concave function. Then $\operatorname{rec}(f^{\vee})$ is the support function of ${\operatorname{dom}}(f)$ . If $f$ is closed, then $\operatorname{rec}(f)$ is the support function of $\operatorname{stab}(f)$ .