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math.CA2025
Smooth extensions of Sobolev boundary data in corkscrew domains with uniformly rectifiable boundaries
Jonas Azzam, Mihalis Mourgoglou, Michele Villa
Given a corkscrew domain with uniformly rectifiable boundary, we construct a surjective trace map onto the Hajlasz-Sobolev space on the boundary from the space of functions o…
math.AP2025
Layer potentials for elliptic operators with DMO-type coefficients: big pieces theorem, quantitative rectifiability, and free boundary problems
Andrea Merlo, Mihalis Mourgoglou, Carmelo Puliatti
For , we consider the operator , where is a uniformly elliptic matrix with variable coefficients, a Radon mea…