A fixed point theorem in Banach space.
Assad, Nadim A. (1990)
Publications de l'Institut Mathématique. Nouvelle Série
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Assad, Nadim A. (1990)
Publications de l'Institut Mathématique. Nouvelle Série
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Pani, S., Nanda, S. (2006)
Journal of Applied Mathematics and Stochastic Analysis
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Ljubomir Ćirić, Nikola Jotić (1998)
Matematički Vesnik
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Huang, Xianjiu, Zhu, Chuanxi, Wen, Xi (2010)
Fixed Point Theory and Applications [electronic only]
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Ljubomir B. Ćirić (2000)
Czechoslovak Mathematical Journal
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Let be a closed convex subset of a complete convex metric space . In this paper a class of selfmappings on , which satisfy the nonexpansive type condition below, is introduced and investigated. The main result is that such mappings have a unique fixed point.
Olaleru, J.O., Akewe, H. (2007)
Fixed Point Theory and Applications [electronic only]
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Nešić, Slobodan Č. (1995)
Matematichki Vesnik
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H. K. Pathak, M. S. Khan (2002)
Archivum Mathematicum
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The purpose of this note is to provide a substantial improvement and appreciable generalizations of recent results of Beg and Azam; Pathak, Kang and Cho; Shiau, Tan and Wong; Singh and Mishra.
H. K. Pathak, Shin Min Kang, Yeol Je Cho (1998)
Czechoslovak Mathematical Journal
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In this paper we first prove some coincidence and fixed point theorems for nonlinear hybrid generalized contractions on metric spaces. Secondly, using the concept of an asymptotically regular sequence, we give some fixed point theorems for Kannan type multi-valued mappings on metric spaces. Our main results improve and extend several known results proved by other authors.