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On the maximal operator associated to a convex body in Rn

  • Autores: María Trinidad Menárguez, Fernando Soria de Diego Árbol académico
  • Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 43, Fasc. 3, 1992, págs. 243-251
  • Idioma: inglés
  • Títulos paralelos:
    • Sobre el operador maximal asociado a un cuerpo convexo n-dimensional
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  • Resumen
    • In this paper we study the behaviour of the constants appearing in weak type (1,1) inequalities for the dyadic maximal operator associated to a convex body. We show that for “sufficiently” rapidly increasing sequences these constants are uniformly bounded, independently of dimension and the convex body. From this result we casily recover a theorem of Stein and Strömberg. A simple argument shows that in the case of radial functions, the constants for the full maximal operator are indeed uniformly bounded.

  • Referencias bibliográficas
    • J. Bourgain, On high dimensional maximal functions associated to convex bodies, Am. J. of Math. 108 (1986), 1467–1476.
    • J. Bourgain, On the $L^p$-bounds for the maximal functions associated to convex bodies in $\mathbb{R}^n$, Israel J. of Math. 54, 3 (1986),...
    • A. Carbery, An almost-orthogonality principle associate to convex bodies, Bull. Am. Math. Soc. 14, 2 (1984), 269–273.
    • M.T. Menárguez, Técnicas de discretización en Análisis Armónico para el estudio de acotaciones débiles de operadores maximales e integrales...
    • B. Muckenhoupt and E. Stein, Classical expansions and their relation to conjugate harmonic functions, Trans. Am. Math. Soc. 118 (1965), 17–92.
    • E. Stein, The development of the theory of square functions in the work of A. Zygmund, Bull. Am. Math. Soc. (1982).
    • E. Stein and J. Strömberg, Behavior of maximal functions in $\mathbb{R}^n$ for large $n$, Arkiv Math. 21 (1983), 259–269.

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