The Cantor Extension of a Lexicographic Product of -Groups
Štefan Černák (1973)
Matematický časopis
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Štefan Černák (1973)
Matematický časopis
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Gabriela Petruşel (2009)
Open Mathematics
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The purpose of this article is to present fixed point results for multivalued E ≤-contractions on ordered complete gauge space. Our theorems generalize and extend some recent results given in M. Frigon [7], S. Reich [12], I.A. Rus and A. Petruşel [15] and I.A. Rus et al. [16].
M.R. Taskovic (1974)
Publications de l'Institut Mathématique [Elektronische Ressource]
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Cui, Yujun, Zhang, Xingqiu (2010)
Fixed Point Theory and Applications [electronic only]
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Harjani, J., López, B., Sadarangani, K. (2010)
Abstract and Applied Analysis
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Altun, Ishak, Simsek, Hakan (2010)
Fixed Point Theory and Applications [electronic only]
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Štefan Černák (1998)
Mathematica Slovaca
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Stuart A. Steinberg (2010)
Annales de la faculté des sciences de Toulouse Mathématiques
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Using lattice-ordered algebras it is shown that a totally ordered field which has a unique total order and is dense in its real closure has the property that each of its positive semidefinite rational functions is a sum of squares.
Nguyen V. Can, Vasile Berinde, Nguyen V. Luong, Nguyen X. Thuan (2013)
Kragujevac Journal of Mathematics
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