Zeitschrift für Analysis und ihre Anwendungen
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Published online: 1990-02-28
On Function Spaces Related to Finite Element Approximation TheoryPeter Oswald
Certain function spaces of Besov type based on triangular finite elements in a two-dimensional domain are introduced and investigated. These spaces allow a systematic approach to the main estimates of finite element approximation theory in Besov-Sobolev norms, to the problem of improving the rate of approximation by choosing appropriate triangulations, and to asymptotic error estimates for elliptic boundary value problems.
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Oswald Peter: On Function Spaces Related to Finite Element Approximation Theory. Z. Anal. Anwend. 9 (1990), 43-64. doi: 10.4171/ZAA/380