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arxiv: 0911.0948 · v1 · submitted 2009-11-04 · 🧮 math.AP · math.FA

On the best constant of Hardy-Sobolev Inequalities

classification 🧮 math.AP math.FA
keywords constantinequalitybesthardy-sobolevsharpcaffarelli-kohn-nirenbergcasescertain
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We obtain the sharp constant for the Hardy-Sobolev inequality involving the distance to the origin. This inequality is equivalent to a limiting Caffarelli-Kohn-Nirenberg inequality. In three dimensions, in certain cases the sharp constant coincides with the best Sobolev constant.

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