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Published 2011 | Submitted
Book Section - Chapter Open

Spherical reflection positivity and the Hardy-Littlewood-Sobolev inequality

Abstract

We introduce the concept of spherical (as distinguished from planar) reflection positivity and use it to obtain a new proof of the sharp constants in certain cases of the HLS and the logarithmic HLS inequality. Our proofs relies on an extension of a work by Li and Zhu which characterizes the minimizing functions of the type (1+|x|^2)^(−p).

Additional Information

© 2011 American Mathematical Society. Support through U.S. NSF grant PHY 0652854 is gratefully acknowledged.

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