On cardinalities of algebras of formulas for -categorical theories
Jan Waszkiewicz (1973)
Colloquium Mathematicae
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Jan Waszkiewicz (1973)
Colloquium Mathematicae
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Aldo Victorio Figallo, Gustavo Pelaitay (2015)
Mathematica Bohemica
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In 2000, Figallo and Sanza introduced -valued Łukasiewicz-Moisil algebras which are both particular cases of matrix Łukasiewicz algebras and a generalization of -valued Łukasiewicz-Moisil algebras. Here we initiate an investigation into the class of tense -valued Łukasiewicz-Moisil algebras (or tense LM-algebras), namely -valued Łukasiewicz-Moisil algebras endowed with two unary operations called tense operators. These algebras constitute a generalization of tense...
Philip Olin (1975)
Colloquium Mathematicae
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Xinhong Chen, Ming Lu (2015)
Colloquium Mathematicae
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Let K be an algebraically closed field. Let (Q,Sp,I) be a skewed-gentle triple, and let and be the corresponding skewed-gentle pair and the associated gentle pair, respectively. We prove that the skewed-gentle algebra is singularity equivalent to KQ/⟨I⟩. Moreover, we use (Q,Sp,I) to describe the singularity category of . As a corollary, we find that if and only if if and only if .
Marius Dadarlat, Wilhelm Winter (2008)
Bulletin de la Société Mathématique de France
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Suppose is a separable unital -algebra each fibre of which is isomorphic to the same strongly self-absorbing and -injective -algebra . We show that and are isomorphic as -algebras provided the compact Hausdorff space is finite-dimensional. This statement is known not to extend to the infinite-dimensional case.
Igor Nikolaev (2015)
Czechoslovak Mathematical Journal
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The paper studies applications of -algebras in geometric topology. Namely, a covariant functor from the category of mapping tori to a category of -algebras is constructed; the functor takes continuous maps between such manifolds to stable homomorphisms between the corresponding -algebras. We use this functor to develop an obstruction theory for the torus bundles of dimension , and . In conclusion, we consider two numerical examples illustrating our main results.
Helena Rasiowa
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Contents Introduction.................................................................................................................................................. 3 § 1. System of a propositional calculus...................................................................... 4 § 2. System ..................................................................................................................... 5 § 3. -algebras.....................................................................................................................
Bjorn Poonen (2008)
Journal of the European Mathematical Society
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The moduli space of rank- commutative algebras equipped with an ordered basis is an affine scheme of finite type over , with geometrically connected fibers. It is smooth if and only if . It is reducible if (and the converse holds, at least if we remove the fibers above and ). The relative dimension of is . The subscheme parameterizing étale algebras is isomorphic to , which is of dimension only . For , there exist algebras that are not limits of étale algebras. The dimension...
А.М. Вершик (1972)
Zapiski naucnych seminarov Leningradskogo
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A. Szymański (1977)
Colloquium Mathematicae
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P. Srivastava, K. K. Azad (1981)
Matematički Vesnik
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Janusz Matkowski (1989)
Annales Polonici Mathematici
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Ralph McKenzie (1971)
Colloquium Mathematicae
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Stephan Baier (2004)
Acta Arithmetica
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M. K. Sen (1971)
Annales Polonici Mathematici
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K. Orlov (1981)
Matematički Vesnik
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Swami Jnanananda (1936)
Časopis pro pěstování matematiky a fysiky
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