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This tag is used if a reference is needed in a paper or textbook on a specific result.

2 votes
1 answer
115 views

Reference request for elementary convex geometry property

I need to use the following lemma for a proof. It is an elementary result, which I am sure is well known, just I am not familiar enough with the relative literature to find a direct reference. Is ther …
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Looking for a reference: $f$-divergences are lower semicontinuous

I think the most general reference is: M. Liero, A. Mielke, and G. Savaré. Optimal entropy-transport problems and a newhellinger–kantorovich distance between positive measures. I …
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2 votes
3 answers
524 views

Looking for a reference: $f$-divergences are lower semicontinuous

I know that the weak lower semi-continuity of the KL divergence was proved in [1]. If I remember well, the same property is true for any $f$ divergence (with suitable assumptions on the probability sp …