Theorem 3.33 . [02LC]

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Theorem 3.33.

Let $f$ be a closed concave function, then ${\mathcal{L}}f$ is a duality between $\Pi(f)$ and $\Pi(f^{\vee})$ with inverse $({\mathcal{L}}f)^{-1}={\mathcal{L}}f^{\vee}$ .