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Found 1,160 Documents (Results 801–900)

100
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Algebraic ordered sets and their generalizations. (English) Zbl 0791.06007

Rosenberg, Ivo (ed.) et al., Algebras and orders. Proceedings of the NATO Advanced Study Institute and Séminaire de mathématiques supérieures, Montréal, Canada, July 29 - August 9, 1991. Dordrecht: Kluwer Academic Publishers. NATO ASI Ser., Ser. C, Math. Phys. Sci. 389, 113-192 (1993).
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The amalgamation of closure and boundary functions on semigroups and partially ordered sets. (English) Zbl 1078.06501

Shum, K.P. (ed.) et al., Ordered structures and algebra of computer languages. Proceedings of the Southeast Asian Mathematical Society conference, Chinese University of Hong Kong, Hong Kong, June 26–29, 1991. River Edge, NJ: World Scientific (ISBN 981-02-1240-2/hbk). 232-243 (1993).
MSC:  06A06 06A15 20M99
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Equivalent extensions. (English) Zbl 0850.08002

Proceedings of the 9th national conference on algebra held at the University of Cluj-Napoca, Romania, September 18-20, 1991. Cluj-Napoca: Univ. Cluj-Napoca, Fac. of Math. and Computer Science, “Babeş-Bolyai” Univ., Fac. Math. Comput. Sci. Res. Semin., Prepr. 1992(1), 1-6 (1992).
MSC:  08A05 06A15
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Categorical closure operators via Galois connections. (English) Zbl 0793.18001

Gähler, Werner (ed.) et al., Recent developments of general topology and its applications. International conference in memory of Felix Hausdorff (1868 - 1942), held in Berlin, Germany, March 22-28, 1992. Berlin: Akademie-Verlag. Math. Res. 67, 72-79 (1992).
MSC:  18A99 06A15 18A32
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Hereditary and modal closure operators. (English) Zbl 0796.18002

Seely, R. A. G. (ed.), Category theory 1991. Proceedings of an international summer category theory meeting, held in Montréal, Québec, Canada, June 23-30, 1991. Providence, RI: American Mathematical Society. CMS Conf. Proc. 13, 111-132 (1992).
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On Galois connexions. (English) Zbl 0875.06003

Orman, Gabriel V. (ed.), Proceedings of the 3rd colloquium of logic, language, mathematics linguistics, Braşov, Romania, May 23-25, 1991. Braşov: Transilvania Univ. of Braşov, Fac. of Science, Dept. of Math. 95-110 (1991).
MSC:  06A15 68Q45
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Gaggle theory: An abstraction of Galois connections and residuation, with applications to negation, implication, and various logical operators. (English) Zbl 0814.03044

Eijck, Jan van (ed.), Logics in AI. European workshop JELIA ’90, Amsterdam, Netherlands, September 10-14, 1990. Proceedings. Berlin etc.: Springer-Verlag. Lect. Notes Comput. Sci. 478, 31-51 (1991).
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The structure of finite atomistic lattices of quasivarieties. (English. Russian original) Zbl 0737.08008

Sov. Math., Dokl. 41, No. 1, 80-82 (1990); translation from Dokl. Akad. Nauk SSSR 310, No. 3, 525-528 (1990).
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A representation of semigroups of closure operators of an ordered set. (Russian) Zbl 0953.20510

Grindlinger, M. D. (ed.), Algorithmic problems in the theory of groups and semigroups. Tula: Tul’skiĭ Gosudarstvennyĭ Pedagogicheskiĭ Institut, 66-73 (1990).
MSC:  20M30 06A15 20M20
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Closure operators on algebras, and strongly regular algebras. (English. Russian original) Zbl 0749.16009

Proc. Steklov Inst. Math. 183, 1-17 (1991); translation from Tr. Mat. Inst. Steklova 183, 7-22 (1990).
Reviewer: S.Lajos (Budapest)
MSC:  16E50 06A15
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General theory of lattices. (English. Russian original) Zbl 0667.06005

Transl., Ser. 2, Am. Math. Soc. 141, 49-99 (1989); translation from Ordered sets and lattices, Collect. Artic. 79-152 (1985).
Reviewer: B.Zelinka
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