palpitate
发表于 2025-4-1 05:52:32
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Prognosis
发表于 2025-4-1 08:10:09
,Fixed Point Theory for Multi-valued Feng–Liu Operators in Vector-Valued Metric Spaces, One of the most relevant generalizations of it was proposed by Y. Feng and S. Liu in 2006. In this work, which is a synthesis of some previous papers of the authors, we will present an extension of the fixed point result of Feng and Liu for the case of a set . endowed with a vector-valued metric in