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In this paper we extend the well known Riesz lemma to the class of bounded φ-variation functions in the sense of Riesz defined on a rectangle [...].This concept was introduced in [2], where the authors proved that the space [...] of such functions is a Banach Algebra. Moreover, they characterized also the Nemytskii operator acting in this space. Thus our result creates a continuation of the paper [2].
Wydawca
Czasopismo
Rocznik
Tom
Strony
109--120
Opis fizyczny
Bibliogr. 16 poz.
Twórcy
autor
autor
autor
autor
- Escuela de Matematicas, Universidad Central de Venezuela Caracas - Venezuela, wadie@ula.ve
Bibliografia
- [1] R. Adams and J. A. Clarkson, Properties of functions f(x, y) of bounded variation, Trans. Amer. Math. Soc. 36 (1934), 711-730.
- [2] W. Aziz, H. Leiva, N. Merentes and J. Sanchez, Functions of two variables with bounded φ-variation in the sense of Riesz, to appear in J. Math. Appl.
- [3] E. Berkson and T. A. Gillespie, Absolutely continuous functions of two variables and wellbounded operators, J. London Math. Soc. 2, no. 30, (1984), 305-321.
- [4] V. V. Chistyakov, Superposition operators in the algebra of functions of two variables with finite total variation, Monatshefte Math. 137 (2002), 99-114.
- [5] J. A. Clarkson and R. Adams, On definitions of bounded variation for functions of two variables, Trans. Amer. Math. Soc. 35 (1933), 824-854.
- [6] C. Jordan, Sur la série de Fourier, C. R. Acad. Sci. Paris Sér. I Math. 92 (1881), 228-230.
- [7] S. Łojasiewicz, An Introduction to the Theory of Real Functions, John Wiley & Sons, Chichester, 1988.
- [8] Yu. T. Medvedev, Generalization of a theorem of F. Riesz, Uspekhi Mat. Nauk. 6 (1953), 115-118 (in Russian).
- [9] N. Merentes and S. Rivas, El Operador de Composición en Espacios de Funciones con algun tipo de Variación Acotada, p. 256, Facultad Ciencias-ULA, Mérida-Venezuela, 1996.
- [10] F. Riesz, Untersuchungen ¨uber Systeme integrierbarer Funktionen, Math. Analen 69 (1910), 449-497.
- [11] R. T. Seeley, Fubini implica Leibniz fyx = fxy, Amer. Math. Month. 68 (1968), 57-58.
- [12] J. Šremr, A note on absolutely continuous functions of two variables in sense of Carath éodory, Instit. of Math., AS CR, Prague (2008), 1-12.
- [13] S. Walczak, Absolutely continuous functions of several variables and their applications to differential equations, Bull. Pol. Acad. Sci. Math. 35 (1987), 733-744.
- [14] S. Walczak, On the differentiability of absolutely continuous functions of several variables. Remarks on the Rademacher theorem, Bull. Pol. Acad. Sci. Math. 36 (1988), 513-520.
- [15] N. Wiener, The quadratic variation of a function and its Fourier coefficients, J. Math. And Phys. 3 (1924), 72-94.
- [16] L. C. Young, Sur une généralisation de la notion de variation de puissance p-i`eme borne au sense de M. Wiener, et sur la convergence des séries de Fourier, C. R. Acad. Sci. Paris, 240 (1937), 470-472.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS8-0012-0002