Some similarity between contractions and Kannan mappings.
Kikkawa, Misako, Suzuki, Tomonari (2008)
Fixed Point Theory and Applications [electronic only]
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Kikkawa, Misako, Suzuki, Tomonari (2008)
Fixed Point Theory and Applications [electronic only]
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Ljubomir Ćirić, Nikola Jotić (1998)
Matematički Vesnik
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Singh, Maibam Ranjit (1990)
International Journal of Mathematics and Mathematical Sciences
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Huang, Xianjiu, Zhu, Chuanxi, Wen, Xi (2010)
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.
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.
Dhompongsa, S., Yingtaweesittikul, H. (2009)
Fixed Point Theory and Applications [electronic only]
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