A remark on equivalence relation
Đ. Kurepa (1969)
Matematički Vesnik
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Đ. Kurepa (1969)
Matematički Vesnik
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Jerzy Łoś (1979)
Colloquium Mathematicae
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Farshad Omidi, MohammadReza Molaei (2015)
Topological Algebra and its Applications
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In this paper induced U-equivalence spaces are introduced and discussed. Also the notion of U- equivalently open subsets of a U-equivalence space and U-equivalently open functions are studied. Finally, equivalently uniformisable topological spaces are considered.
Dimiter Skordev (1988)
Banach Center Publications
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Miroslav Kratko (1988)
Colloquium Mathematicae
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Chao, Chong-Yun, Deisher, Caroline I. (1982)
International Journal of Mathematics and Mathematical Sciences
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Doubrov, B., Komrakov, B., Morimoto, T. (1999)
Lobachevskii Journal of Mathematics
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Prešić, Marica D. (1986)
Publications de l'Institut Mathématique. Nouvelle Série
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Peter J. Witbooi (1995)
Publicacions Matemàtiques
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We prove a new adjunction theorem for n-equivalences. This theorem enables us to produce a simple geometric version of proof of the triad connectivity theorem of Blakers and Massey. An important intermediate step is a study of the collapsing map S∨X → S, S being a sphere.
M. Nesibe Kesicioğlu, Ü. Ertuğrul, F. Karaçal (2019)
Kybernetika
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In this paper, an equivalence on the class of uninorms on a bounded lattice is discussed. Some relationships between the equivalence classes of uninorms and the equivalence classes of their underlying t-norms and t-conorms are presented. Also, a characterization for the sets admitting some incomparability w.r.t. the U-partial order is given.