Krein resolvent formulas for elliptic boundary problems in nonsmooth domains
Abstract
The paper reports on a recent construction of M-functions and Krein resolvent formulas for general closed extensions of an adjoint pair, and their implementation to boundary value problems for second-order strongly elliptic operators on smooth domains. The results are then extended to domains with C1,1 H\"older smoothness, by use of a recently developed calculus of pseudodifferential boundary operators with nonsmooth symbols.
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