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arxiv: 1308.5612 · v1 · pith:23KD3OTPnew · submitted 2013-08-26 · 🧮 math.FA · math-ph· math.AP· math.MP

Maximizers for Gagliardo-Nirenberg inequalities and related non-local problems

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keywords energygagliardo-nirenberginequalitiesinequalitylemmamaximizersrieszargument
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In this paper we study the existence of maximizers for two families of interpolation inequalities, namely a generalized Gagliardo-Nirenberg inequality and a new inequality involving the Riesz energy. Two basic tools in our argument are a generalization of Lieb's Translation Lemma and a Riesz energy version of the Br\'ezis--Lieb lemma.

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