Displaying similar documents to “A strengthening of a theorem of Marcinkiewicz”

Multiplication of convex sets in C(K) spaces

José Pedro Moreno, Rolf Schneider (2016)

Studia Mathematica

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Let C(K) denote the Banach algebra of continuous real functions, with the supremum norm, on a compact Hausdorff space K. For two subsets of C(K), one can define their product by pointwise multiplication, just as the Minkowski sum of the sets is defined by pointwise addition. Our main interest is in correlations between properties of the product of closed order intervals in C(K) and properties of the underlying space K. When K is finite, the product of two intervals in C(K) is always...

The derivates of functions of intervals

I. Burkill (1924)

Fundamenta Mathematicae

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The object of the present paper is to investigate the possible values of the derivates of a function g(I) (where I is given interval), assuming that ∫_{R}g(I) exists.

Fourier analysis in several parameters.

Robert Fefferman (1986)

Revista Matemática Iberoamericana

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Clearly, one of the most basic contributions to the fields of real variables, partial differential equations and Fourier analysis in recent times has been the celebrated theorem of Calderón and Zygmund on the boundedness of singular integrals on R [1].

The work of José Luis Rubio de Francia (I).

José Luis Torrea (1991)

Publicacions Matemàtiques

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The aim of these pages is to give the reader an idea about the first part of the mathematical life of José Luis Rubio de Francia.