Lemma 3.41 . [02LN]

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Lemma 3.41.

Let $H\colon Q_{\mathbb{R}}\to N_{\mathbb{R}}$ be a linear map and $g$ a concave function on $Q_{\mathbb{R}}$ . If $\operatorname{stab}(g)\cap\operatorname{im}(H^{\vee})\not=\emptyset$ then, for all $u\in N_{\mathbb{R}}$ ,

\sup_{v\in H^{-1}(u)}g(v)<\infty.