Showing math.FAShow all
2 papers · 1 filter
math.FA2024
Conditional bases with Property~(A)
Fernando Albiac, Jose L. Ansorena, Pablo Berná +1
Property~(A) is a week symmetry condition that plays a fundamental role in the characterization of greedy-type bases in the isometric case, i.e., when the constants involved in the…
math.FA2016
The best m-term approximation with respect to polynomials with constant coefficients
Pablo M. Berná, Óscar Blasco
In this paper we show that that greedy bases can be defined as those where the error term using -greedy approximant is uniformly bounded by the best -term approximation with…