Harmonic Analysis on Spaces of Homogeneous Type

Released on by Donggao Deng
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  • Harmonic Analysis on Spaces of Homogeneous Type Book Detail

  • Author : Donggao Deng
  • Release Date : 2008-11-19
  • Publisher : Springer Science & Business Media
  • Genre : Mathematics
  • Pages : 167
  • ISBN 13 : 354088744X
  • File Size : 24,24 MB
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Harmonic Analysis on Spaces of Homogeneous Type by Donggao Deng PDF Summary

Book Description: This book could have been entitled “Analysis and Geometry.” The authors are addressing the following issue: Is it possible to perform some harmonic analysis on a set? Harmonic analysis on groups has a long tradition. Here we are given a metric set X with a (positive) Borel measure ? and we would like to construct some algorithms which in the classical setting rely on the Fourier transformation. Needless to say, the Fourier transformation does not exist on an arbitrary metric set. This endeavor is not a revolution. It is a continuation of a line of research whichwasinitiated,acenturyago,withtwofundamentalpapersthatIwould like to discuss brie?y. The ?rst paper is the doctoral dissertation of Alfred Haar, which was submitted at to University of Gottingen ̈ in July 1907. At that time it was known that the Fourier series expansion of a continuous function may diverge at a given point. Haar wanted to know if this phenomenon happens for every 2 orthonormal basis of L [0,1]. He answered this question by constructing an orthonormal basis (today known as the Haar basis) with the property that the expansion (in this basis) of any continuous function uniformly converges to that function.

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A Panorama of Harmonic Analysis

A Panorama of Harmonic Analysis

File Size : 98,98 MB
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A Panorama of Harmonic Analysis treats the subject of harmonic analysis, from its earliest beginnings to the latest research. Following both an historical and a