A Further Extension of Maps With Non-unique Fixed Points
Ljubomir Ćirić, Nikola Jotić (1998)
Matematički Vesnik
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Ljubomir Ćirić, Nikola Jotić (1998)
Matematički Vesnik
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Olaleru, J.O., Akewe, H. (2007)
Fixed Point Theory and Applications [electronic only]
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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.
Ljubomir B. Ćirić (1999)
Czechoslovak Mathematical Journal
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In this paper a new class of self-mappings on metric spaces, which satisfy the nonexpensive type condition (3) below is introduced and investigated. The main result is that such mappings have a unique fixed point. Also, a remetrization theorem, which is converse to Banach contraction principle is given.
Assad, Nadim A. (1990)
Publications de l'Institut Mathématique. Nouvelle Série
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Nešić, Slobodan Č. (1995)
Matematichki Vesnik
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Ovidiu Popescu (2009)
Open Mathematics
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In this paper we prove two fixed point theorems for generalized contractions with constants in complete metric space, which are generalizations of very recent results of Kikkawa and Suzuki.
Kikkawa, Misako, Suzuki, Tomonari (2008)
Fixed Point Theory and Applications [electronic only]
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