On $ R $-subcommuting maps and best approximations in Banach spaces

Naseer Shahzad

doi:10.5556/j.tkjm.32.2001.368

Published: Mar 31, 2001

DOI: https://doi.org/10.5556/j.tkjm.32.2001.368

Naseer Shahzad

Abstract

A result on best approximation is proved in Banach spaces satisfying Opial's condition. Recent results of Jungck and Sessa [Math. Japonica, 42(1995), 249-252.] are extended to a new class of noncommuting maps.

How to Cite

Shahzad, N. (2001). On $ R $-subcommuting maps and best approximations in Banach spaces. Tamkang Journal of Mathematics, 32(1), 51–53. https://doi.org/10.5556/j.tkjm.32.2001.368

Issue

Vol. 32 No. 1 (2001)

Section

Papers

Author Biography

Naseer Shahzad

Department of Mathematics, Faculty of Science, King Abdul Aziz University, P.O. Box 80203, Jeddah-21589, Saudi Arabia

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