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Found 33 Documents (Results 1–33)

Sharp estimates of approximation numbers via growth envelopes. (English) Zbl 1056.47016

Haroske, Dorothee (ed.) et al., Function spaces, differential operators and nonlinear analysis. The Hans Triebel anniversary volume. Based on the lectures given at the international conference on function spaces, differential operators and nonlinear analysis, FSDONA-01, Teistungen, Germany, June 28–July 4, 2001, in honor of the 65th birthday of H. J. Triebel. Basel: Birkhäuser (ISBN 3-7643-6935-3/hbk). 237-244 (2003).
MSC:  47B06 46E35
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Approximation by functions of compact support on irregular domains. (English) Zbl 0965.46022

Mustonen, Vesa (ed.) et al., Function spaces, differential operators and nonlinear analysis. Proceedings of the conference, FSDONA-99, Syöte, Finland, June 10-16, 1999. Prague: Mathematical Institute of the Academy of Sciences of the Czech Republic. 35-40 (2000).
MSC:  46E35
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