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Some generalizations in H-modular spaces of Fan's best approximation theorem

Published online by Cambridge University Press:  09 April 2009

Carlo Bardaro
Affiliation:
Dipartimento di Matematica, Università degli Studi di Perugia, via Pascoli, 06100 Perugia, Italy
Rita Ceppitelli
Affiliation:
Dipartimento di Mathematica e Fisica, Università di Camerino, via Venanzi 16, 62032 Camerino (MC), Italy
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Abstract

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We state best approximation and fixed point theorems in modular spaces endowed with an H-space structure given by the modular topology. We consider both the cases of single valued functions and multifunctions. These theorems extend some previous results due to Ky Fan.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1994

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