Digitale Medien
Springer
Numerische Mathematik
64 (1993), S. 455-476
ISSN:
0945-3245
Schlagwort(e):
65N55
;
65N50
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Mathematik
Notizen:
Summary Subspace decompositions of finite element spaces based onL 2-like orthogonal projections play an important role for the construction and analysis of multigrid like iterative methods. Recently several authors have proved the equivalence of the associated discrete norms with theH 1-norm. The present paper gives an elementary, self-contained derivation of this result which is based on the use ofK-functionals known from the theory of interpolation spaces.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF01388699
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