Profinite Monads, Profinite Equations, and Reiterman's Theorem
Profinite Monads, Profinite Equations, and Reiterman's Theorem
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数学单子、数学方程和赖特曼定理
DOI:
10.1007/978-3-662-49630-5_31
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
H. Urbat
中科院分区:
文献类型:
--
作者:
L.-T. Chen;J. Adámek;S. Milius;H. Urbat
Profinite equations are an indispensable tool for the algebraic classification of formal languages. Reiterman’s theorem states that they precisely specify pseudovarieties, i.e. classes of finite algebras closed under finite products, subalgebras and quotients. In this paper Reiterman’s theorem is generalised to finite Eilenberg-Moore algebras for a monadon a varietyof (ordered) algebras: a class of finite-algebras is a pseudovariety iff it is presentable by profinite (in-)equations. As an application, quasivarieties of finite algebras are shown to be presentable by profinite implications. Other examples include finite ordered algebras, finite categories, finite-monoids, etc.
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影响因子:
0.6
作者:
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通讯作者:
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DOI:
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1983
期刊:
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期刊:
Theor. Comput. Sci.
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通讯作者:
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