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math.FA2006
Marcinkiewicz-Zygmund inequalities and interpolation by spherical harmonics
Jordi Marzo
We find necessary density conditions for Marcinkiewicz-Zygmund inequalities and interpolation for spaces of spherical harmonics with respect to the L^p norm. Moreover, we prove tha…
math.FA2006
Riesz basis of exponentials for a union of cubes in R^{d}
Jordi Marzo
We extend to several dimensions the result of K. Seip and Y.I. Lyubarskii that proves the existence of Riesz basis of exponentials for a finite union of intervals with equals lengt…