New posts in Sobolev Spaces

Bounded deformation vs bounded variation

Smallness of cut-off functions at critical Sobolev regularity

Research topics in distribution theory

Is the intersection of two Caccioppoli (i.e. finite perimeter) sets Caccioppoli?

Is there a $W^{2,2}$ isometric embedding of the flat torus into $\mathbb{R}^3$?

Can we approximate any open set by sub-domains with smooth boundary?

Can a $W^{1,2}$ map from the disk to the circle restrict to a degree one map on the boundary?

Morrey's inequality for Sobolev spaces of fractional order

Showing $H^1(\partial\Omega) \subset H^{\frac 12}(\partial\Omega)$ is continuous?

Does anyone know what is the right reference for the following simple lemma from harmonic analysis?