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20112023
most citedDifferences between fundamental solutions of general higher order elliptic operators and of products of second order operators

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math.AP2020

Note on a sign-dependent regularity for the polyharmonic Dirichlet problem

Inka Schnieders, Guido Sweers

A priori estimates for semilinear higher order elliptic equations usually have to deal with the absence of a maximum principle. This note presents some regularity estimates for the…