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Fixed points for non-surjective expansion mappings satisfying an implicit relation. (English) Zbl 1031.47034
Summary: A general fixed point theorem for non-surjective expansion mappings satisfying an implicit relation is proved, thus generalizing Theorem 4.1 in the paper by B. K. Sharma, D. R. Sahu, M. Bounias and A. Bonaly [Int. J. Math. Math. Sci. 21, 277-288 (1998; Zbl 0897.54027)].

MSC:
 47H10 Fixed-point theorems 54H25 Fixed-point and coincidence theorems (topological aspects)