Superconvergence by Steklov averaging in the finite element method
Karel Kolman
Applicationes Mathematicae, Tome 32 (2005), p. 477-488 / Harvested from The Polish Digital Mathematics Library
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The Steklov postprocessing operator for the linear finite element method is studied. Superconvergence of order 𝓞(h²) is proved for a class of second order differential equations with zero Dirichlet boundary conditions for arbitrary space dimensions. Relations to other postprocessing and averaging schemes are discussed.

Publié le : 2005-01-01
EUDML-ID : urn:eudml:doc:279537 
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     title = {Superconvergence by Steklov averaging in the finite element method},
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     volume = {32},
     year = {2005},
     pages = {477-488},
     zbl = {1109.65092},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am32-4-8}
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Karel Kolman. Superconvergence by Steklov averaging in the finite element method. Applicationes Mathematicae, Tome 32 (2005) pp. 477-488. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am32-4-8/