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math.AP2022
Hilbert Complexes with Mixed Boundary Conditions -- Part 3: Biharmonic Complexes
Dirk Pauly, Michael Schomburg
We show that the biharmonic Hilbert complex with mixed boundary conditions on bounded strong Lipschitz domains is closed and compact. The crucial results are compact embeddings whi…
math.FA2022
Traces for Hilbert Complexes
Ralf Hiptmair, Dirk Pauly, Erick Schulz
We study a new notion of trace operators and trace spaces for abstract Hilbert complexes. We introduce trace spaces as quotient spaces/annihilators. We characterize the kernels and…