Results 131 to 140 of about 410 (157)

Two fixed point theorems for generalized contractions with constants in complete metric space

Open Mathematics, 2009
Popescu Ovidiu
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A note on “Some results on multi-valued weakly Jungck mappings in b-metric space”

Open Mathematics, 2013
Bota Monica-Felicia, Karapınar Erdal
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MR0743037 (87h:90061a) Yannelis, Nicholas C.; Prabhakar, N. D. "Existence of maximal elements and equilibria in linear topological spaces". J. Math. Econom. 12 (1983), no. 3, 233--245. (Reviewer: Carmen Pagliari) 90A14 (54C65 54H25)

1987
Article ...
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MR0777125 (87h:90061b) Yannelis, Nicholas C.; Prabhakar, N. D. Erratum "Existence of maximal elements and equilibria in linear topological spaces". J. Math. Econom. 13 (1984), no. 3, 305. (Reviewer: Carmen Pagliari) 90A14 (54C65 54H25)

1987
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MR3104897 Reviewed Mawhin, J. Variations on some finite-dimensional fixed-point theorems. Translation of Ukraïn. Mat. Zh. 65 (2013), no. 2, 266–272. Ukrainian Math. J. 65 (2013), no. 2, 294–301. (Reviewer: Calogero Vetro) 54H25 (47H10)

2014
Inglese:The author presents an interesting discussion on three fundamental results in the literature and related theory: the Poincaré-Miranda theorem [C. Miranda, Boll. Un. Mat. Ital. (2) 3 (1940), 5–7; MR0004775 (3,60b)], the Pireddu-Zanolin fixed point theorem [M. Pireddu and F. Zanolin, Topol. Methods Nonlinear Anal. 30 (2007), no.
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MR3136553 Reviewed Popa, Valeriu; Patriciu, Alina-Mihaela A general fixed point theorem for pairs of mappings satisfying implicit relations in two G-metric spaces. An. Univ. Dunărea de Jos Galaţi Fasc. II Mat. Fiz. Mec. Teor. 4(35) (2012), no. 1-2, 22–28. (Reviewer: Calogero Vetro) 54H25 (47H10)

2014
In [Stud. Cercet. Ştiinţ. Ser. Mat. Univ. Bacău No. 7 (1997), 127–133 (1999); MR1721711], V. Popa initiated the study of fixed points for mappings satisfying implicit relations as a way to unify and generalize various contractive conditions. Later on, many papers were published extending this approach to different metric settings. In the paper under
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The Power of the Half Power

American Mathematical Monthly, 2021
Pablo Amster
exaly  

On some properties of set-dynamical systems

Proceedings of the Japan Academy Series A: Mathematical Sciences, 1985
Masayoshi Hata
exaly  

On common fixed point theorems of mappings

Proceedings of the Japan Academy Series A: Mathematical Sciences, 1974
Kiyoshi Iseki
exaly