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Ball minimizer conjecture for the fractional Sobolev constant
Ball minimizer conjecture. The infimum of $S(n,\sigma,\Omega)$ over all bounded open sets $\Omega$ is achieved by a ball. This question concerns the domain dependence of the best c…
Conjectureopenanalysis fractional-sobolev-inequalities rearrangementarXiv posted 2 days ago

Ball minimizer conjecture for the fractional Sobolev constant