Regular Article
Invariant Approximations and R-Subweakly Commuting Maps

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Abstract

The existence of invariant approximations for R-subweakly commuting mappings is proved. Our results extend most of the known results to a new class of noncommuting mappings.

Keywords

R-subweakly commuting map
common fixed point
best approximation
normed space

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Submitted by J. Horváth