The Structure of Functions

By:

Hans Triebel

Format:

Paperback / softback

Series:

Monographs in Mathematics

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Description

This book deals with the symbiotic relationship between I Quarkonial decompositions of functions, on the one hand, and II Sharp inequalities and embeddings in function spaces, III Fractal elliptic operators, IV Regularity theory for some semi-linear equations, on the other hand. Accordingly, the book has four chapters. In Chapter I we present the Weier- strassian approach to the theory of function spaces, which can be roughly described as follows. Let 'IjJ be a non-negative Coo function in]R. n with compact support such that {'ljJe - m) : m E zn} is a resolution of unity in ]R. n. Let 'IjJ!3(x) = x!3'IjJ(x) where x E ]R. n and {3 E N~. One may ask under which circumstances functions and distributions f in ]R. n admit expansions 00 (0. 1) f(x) = L L L ). . ~m'IjJ!3(2jx - m), x E ]R. n, n !3ENg j=O mEZ with the coefficients ). . ~m E C. This resembles, at least formally, the Weier- strassian approach to holomorphic functions (in the complex plane), combined with the wavelet philosophy: translations x 1---4 x - m where m E zn and dyadic j dilations x 1---4 2 x where j E No in ]R. n. Such representations pave the way to constructive definitions offunction spaces.

Release date NZ

November 1st, 2012

Author

Hans Triebel

Audience

Professional & Vocational

Edition

Softcover reprint of the original 1st ed. 2001

Illustrations

5 Illustrations, black and white; XII, 425 p. 5 illus.

Pages

425

Series

Monographs in Mathematics

Dimensions

178x254x23

ISBN-13

9783034894944

Product ID

22348408

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