Mathematical Research Letters

Volume 3, Issue 1, January 1996 pp. 61-65.

A note on the Kakeya maximal operator

Authors: Jose A. Barrionuevo
Author institution: University of South Alabama

Summary: In this paper we obtain an upper bound for the $L^2$ norm for maximal operators associated to arbitrary finite sets of directions in ${\Bbb R}^2$

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