Indian Journal of Science and Technology
DOI: 10.17485/ijst/2014/v7i12.22
Year: 2014, Volume: 7, Issue: 12, Pages: 1963–1966
Original Article
Majid Abrishami-Moghaddam
Department of Mathematics, Birjand Branch, Islamic Azad University, Birjand, Iran; m.abrishami.m@gmail.com
In this paper we give new results on the best coapproximation in the Hausdorff topological vector space X. Assume that f be a real valued function on X and we present some results regarding f-best coapproximation. We determine under what conditions f-coproximinality can be transmitted to the quotient spaces and conversely. 2010 Mathematics Subject Classification: 41A52, 57N17.
Keywords: f-best Coapproximation, f-coChebyshev, f-compact, f-quasi-coChebychev
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