Browsing Exact and Earth Sciences by Subject "Operador maximal"
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Averages along uniformly distributed directions on a curve
(1993) [Journal article]We obtain a sharp L2 estimate for the maximal operator associated with uniformly distributed directions on a curve of finite type in Rn. -
Estimates for some kakeya-typemaximal operators
(1993) [Journal article]We use an abstract version of a theorem of Kolmogorov-Seliverstov- Paley to obtain sharp L2 estimates for maximal operators of the form: µβ(f(x) = sup –χєsєβ 1/|S| ∫S |f(x - y)| dy. We consider the cases where β is the ...