Elena A. Lebedeva
Published 2023-06-26Version 1
In the paper we design a Parseval wavelet frame with a compact support. The corresponding refinement mask uniformly approximates an arbitrary continuous periodic function $f$, $f(0)=1$, $|f(x)|^2+|f(x+\pi)|^2\le 1$. The refinable function has stable integer shifts.
Comments: 6 pages. arXiv admin note: substantial text overlap with arXiv:2207.08252
Wavelet frames with matched masks
Approximation by (p,q)-Baskakov-Beta operators
Approximation by a generalization of the Jakimovski -Leviatan operators
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