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Wavelet-type frames and wavelet-type bases. (English) Zbl 1085.42021

Summary: The concepts of basis and frame are studied in the classical literature of functional analysis, Fourier analysis, and wavelet theory in a wide range. In this paper, we consider an operator-theoretic approach to discrete frame theory on a separable Hilbert space. For this purpose, we define a special type of frames and bases, called wavelet-type frames and wavelet-type bases, obtained by acting with a family of bounded linear operators on some vectors, and then investigate the elementary properties of these concepts.

MSC:

42C40 Nontrigonometric harmonic analysis involving wavelets and other special systems
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