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Regular version of the site

Article

On the equivalence of some statements on fixed points of contractions

Functional Analysis and Its Applications. 2017. Vol. 51. No. 4. P. 318-321.

It is shown that a series of recent (2012–2016) generalizations of the notion of contraction (F-contraction, weak F-contraction, etc.) in fact reduce to known notions of contraction (due to Browder, Boyd and Wong, Meir and Keeler, etc.).