Abstract:In 2014, Ludwig showed the limiting behavior of the anisotropic Gagliardo s-seminorm of a function f as s → 1 − and s → 0 + , which extend the results due to Bourgain-Brezis-Mironescu(BBM) and Maz'ya-Shaposhnikova(MS) respectively. Recently, Brezis, Van Schaftingen and Yung provided a different approach by replacing the strong L p norm in the Gagliardo s-seminorm by the weak L p quasinorm. They characterized the case for s = 1 that complements the BBM formula. The corresponding MS formula for s = 0 was later e… Show more
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