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wavelets and their cousins, February 4, 2008
This review is from: The Functional and Harmonic Analysis of Wavelets and Frames: Ams Special Session on the Functional and Harmonic Analysis of Wavelets, January 13-14, 1999, San Antonio, Texas (Contemporary Mathematics) (Paperback)
In recent years a number of specializations in mathematics (analysis, geometry and number theory) have come together: Starting with wavelets and their close cousins, we have witnessed ideas from one field connecting and being used in surprising ways in another, and making contacts to such applied areas as Radon transforms, frames, and fractals; and to applications outside of mathematics as well: engineering, physics, and medical imaging. This works in reverse as well, including even applications of ideas from signal processing to mathematics proper!
The book contains several instances of this: For example in the form of wavelet sets, i.e., special affine tilings (wavelet sets and their geometries).
A common core of this multifaceted enterprise involves harmonic analysis (with a computational slant) and symmetry (as understood in the language of representation theory.)
This book is presents a cross section of all of this material in a form that is understandable and attractive to a wider readership, including graduate students in mathematics and its neighboring fields.
Wavelets and related basis constructions, such as frames from engineering, are three decades old (not counting Haar's wavelet.) Their theory and applications are presented here from different angles: harmonic analysis, operator theory, geometry, computations, special tilings, and algorithms. The use of wavelets is compared with other transform tools, Fourier, Radon, Gabor, multiscale and more.
Review by Palle Jorgensen, February 2008.
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