Unitary operators preserving wavelets

Rzeszotnik, Ziemowit; Zhang, Xiaofei

doi:10.1090/S0002-9939-03-07255-1

Unitary operators preserving wavelets
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by Ziemowit Rzeszotnik and Xiaofei Zhang PDF

Proc. Amer. Math. Soc. 132 (2004), 1463-1471 Request permission

Abstract:

We characterize a special class of unitary operators that preserve orthonormal wavelets. In the process we also prove that symmetric wavelet sets cover the real line.

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