2 papers
math.AP2022
Strengthened Fractional Sobolev Type Inequalities in Besov Spaces
Pengtao Li, Rui Hu, Zhichun Zhai
The purpose of this article is twofold. The first is to strengthen fractional Sobolev type inequalities in Besov spaces via the classical Lorentz space. In doing so, we show that t…
math.AP2022
Fractional Besov Trace/Extension Type Inequalities via the Caffarelli-Silvestre extension
Pengtao Li, Rui Hu, Zhichun Zhai
Let be the Caffarelli-Silvestre extension of The first goal of this article is to establish the fractional trace type inequalities involving the Caffarelli-Si…