Locally defined operators and a partial solution of a conjecture |
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Authors: | Ma?gorzata Wróbel |
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Institution: | Institute of Mathematics and Computer Science, Jan Dlugosz University, Armii Krajowej 13/15, PL - 42-200 Cz?stochowa, Poland |
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Abstract: | We prove a weaker form of conjecture concerning the representation theorem for locally defined operators acting between some spaces of differentiable functions presented by K. Lichawski, J. Matkowski and J. Mi? K. Lichawski, J. Matkowski, J. Mi?, Locally defined operators in the space of differentiable functions, Bull. Polish Acad. Sci. Math. 37 (1989) 315-325].As a corollary we obtain the representation formula for continuous locally defined operators mapping the Banach space Cm(A) into Ck(A), for k≥2 where Cm(A) is the space of m-times Whitney continuously differentiable functions on a perfect set . |
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Keywords: | primary 47H30 |
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