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20052025
most citedNeedlet algorithms for estimation in inverse problems

34 citations · 50 across the 22 of their papers we have counts for

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Showing 2015Show all

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math.PR2015

Regularity of Gaussian Processes on Dirichlet spaces

Gerard Kerkyacharian, Shigeyoshi Ogawa, Pencho Petrushev +1

We are interested in the regularity of centered Gaussian processes (Z_x), x in M indexed by compact metric spaces M. It is shown that the almost everywhere Besov space regularity o…

math.CA2015

Nonlinear nonnested 2-D spline approximation

Martin Lind, Pencho Petrushev

Nonlinear approximation from regular piecewise polynomials (splines) of degree supported on rings in is studied. By definition a ring is a set in obtained by sub…