activity
20072022
most citedMandelbrot cascades on random weighted trees and nonlinear smoothing transforms

1 citations · 1 across the 9 of their papers we have counts for

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Showing 2017Show all

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math.CA2017

Phase unwinding, or invariant subspace decompositions of Hardy spaces

Ronald R. Coifman, Jacques Peyrière

We consider orthogonal decompositions of invariant subspaces of Hardy spaces, these relate to the Blaschke based phase unwinding decompositions. We prove convergence in Lp. In part…

math.CA2017

Sampling and Frequency Warping

Stefan Lafon, Jacques Lévy Véhel, Jacques Peyrière

Optimal sampling of non band-limited functions is an issue of great importance that has attracted considerable attention. We propose to tackle this problem through the use of a fre…