Generalized Caristi's fixed point theorems.
Latif, Abdul (2009)
Fixed Point Theory and Applications [electronic only]
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Latif, Abdul (2009)
Fixed Point Theory and Applications [electronic only]
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Dominique Azé, Jean-Noël Corvellec (2004)
ESAIM: Control, Optimisation and Calculus of Variations
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Refining the variational method introduced in Azé et al. [Nonlinear Anal. 49 (2002) 643-670], we give characterizations of the existence of so-called global and local error bounds, for lower semicontinuous functions defined on complete metric spaces. We thus provide a systematic and synthetic approach to the subject, emphasizing the special case of convex functions defined on arbitrary Banach spaces (refining the abstract part of Azé and Corvellec [SIAM J. Optim. 12 (2002) 913-927],...
Latif, Abdul, Kutbi, Marwan A. (2009)
International Journal of Mathematics and Mathematical Sciences
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Park, Sehie (1985)
International Journal of Mathematics and Mathematical Sciences
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Suzuki, Tomonari (2007)
International Journal of Mathematics and Mathematical Sciences
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Sintunavarat, W., Kumam, P. (2011)
International Journal of Mathematics and Mathematical Sciences
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Kirk, W.A. (2003)
Abstract and Applied Analysis
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Frigon, M. (2010)
Fixed Point Theory and Applications [electronic only]
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Cho, Yeol Je, Park, Keun Saeng, Chang, Shihsen (1996)
International Journal of Mathematics and Mathematical Sciences
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Ume, Jeong Sheok, Lee, Byung Soo, Cho, Sung Jin (2002)
International Journal of Mathematics and Mathematical Sciences
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Ume, Jeong Sheok, Yi, Sucheol (2002)
International Journal of Mathematics and Mathematical Sciences
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Sehgal, V.M. (1979)
International Journal of Mathematics and Mathematical Sciences
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