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Partial differential equations (PDEs): Existence and uniqueness, regularity, boundary conditions, linear and non-linear operators, stability, soliton theory, integrable PDEs, conservation laws, qualitative dynamics.

7 votes
1 answer
712 views

Boundary value problems with $L^2$ boundary data

Recently, I read the following result from "A Remark on the Regularity of Solutions of Maxwell’s Equations on Lipschitz Domains" by Martin Costabel: Let $\Omega$ be a bounded Lipschitz domain, $u\in …
1 vote
0 answers
71 views

An existence result for solutions of elliptic equations with a mixed boundary problem

Assume that $\Omega$ is a bounded domain such that $\partial\Omega=\Gamma_1\cup \Gamma_2$, where $\Gamma_1$ and $\Gamma_2$ are disjoint and closed. Let us consider the following elliptic equations. …