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arxiv: 1902.08530 · v4 · pith:RSNRMEAJnew · submitted 2019-02-22 · 🧮 math.FA

Existence of an extremal of Dunkl-type Sobolev inequality and of Stein-Weiss inequality for D-Riesz potential

classification 🧮 math.FA
keywords inequalityexistenceextremalcased-rieszdunkl-typepotentialprove
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In this paper, we prove the existence of an extremal for the Dunkl-type Sobolev inequality in case of $p=2$. Also we prove the existence of an extremal of the Stein-Weiss inequality for the D-Riesz potential in case of $r=2$.

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