On the sharp constants in the regional fractional Sobolev inequalities

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Funding

R. L. F. was partially supported by the US National Science Foundation grant DMS-1954995 and the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through Germany’s Excellence Strategy EXC-2111-390814868. T. J. was partially supported by NSFC 12122120 and Hong Kong RGC grant GRF 16302519.

Data Availability

Data sharing is not applicable to this article as no datasets were generated or analysed during the current study.

Additional Information

This article is part of the section “Theory of PDEs” edited by Eduardo Teixeira.