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Creators/Authors contains: "Martin, W."

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  1. We address fundamental aspects in the approximation theory of vector-valued finite element methods, using finite element exterior calculus as a unifying framework. We generalize the Clément interpolant and the Scott-Zhang interpolant to finite element differential forms, and we derive a broken Bramble-Hilbert lemma. Our interpolants require only minimal smoothness assumptions and respect partial boundary conditions. This permits us to state local error estimates in terms of the mesh size. Our theoretical results apply to curl-conforming and divergence-conforming finite element methods over simplicial triangulations.
  2. Free, publicly-accessible full text available July 1, 2023
  3. Hawkins, Stephen J. ; Bohn, Katrin ; Firth, Louise B. ; Williams, Gray A. (Ed.)