Geodesic
Wavelet frames on the sets of $M$-positive vectors
Zapiski Nauchnykh Seminarov POMI, Investigations on applied mathematics and informatics. Part III, Tome 539 (2024), pp. 5-30 Cet article a éte moissonné depuis la source Math-Net.Ru

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Wavelets on the spaces of $M$-positive vectors are studied. Such a space is a multidimensional analog of the half-line in Walsh analysis. Similarly to the half-line, there exists a class of so-called test functions (with a compact support of the function itself and of its Fourier transform) in such spaces. Wavelet frames consisting of the test functions are of special interest because they may be useful for applications to signal processing. A method for constructing such dual wavelet frames is developed in the paper. 
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M. V. Babushkin; M. A. Skopina. Wavelet frames on the sets of $M$-positive vectors. Zapiski Nauchnykh Seminarov POMI, Investigations on applied mathematics and informatics. Part III, Tome 539 (2024), pp. 5-30. http://geodesic.mathdoc.fr/item/ZNSL_2024_539_a0/

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