The stability in and of the -projection onto finite element function spaces

Authors:
M. Crouzeix and V. Thomée

Journal:
Math. Comp. **48** (1987), 521-532

MSC:
Primary 41A15; Secondary 41A35, 65N10, 65N30

MathSciNet review:
878688

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Abstract: The stability of the -projection onto some standard finite element spaces , considered as a map in and , , is shown under weaker regularity requirements than quasi-uniformity of the triangulations underlying the definitions of the .

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Additional Information

DOI:
https://doi.org/10.1090/S0025-5718-1987-0878688-2

Article copyright:
© Copyright 1987
American Mathematical Society