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Listar por palabra clave "Formations"

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Listar por palabra clave "Formations"

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    Formations of monoids, congruences, and formal languages 
    Ballester Bolinches, Adolfo; Cosme-Llópez, E.; Esteban Romero, Ramón; Rutten, J.J.M.M. (Alexandru Ioan Cuza University of Iasi, 2015)
    The main goal in this paper is to use a dual equivalence in automata theory started in [25] and developed in [3] to prove a general version of the Eilenberg-type theorem presented in [4]. Our principal results confirm the ...
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    On conditional permutability and factorized groups 
    Arroyo Jordá, Milagros; Arroyo Jordá, Paz; Martínez Pastor, Ana; Perez Ramos, Maria Dolores (Springer Verlag (Germany), 2014-08)
    Two subgroups and of a group are said to be totally completely conditionally permutable (tcc-permutable) if permutes with for some , for all and all . In this paper, we study finite products of tcc-permutable subgroups, ...
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    Products of finite connected subgroups 
    Gallego, María Pilar; Hauck, Peter; Kazarin, Lev S.; Martínez-Pastor, Ana; Pérez-Ramos, María Dolores (MDPI AG, 2020-09)
    [EN] For a non-empty class of groups L, a finite group G = AB is said to be an L-connected product of the subgroups A and B if < a, b > is an element of L for all a is an element of A and b is an element of B. In a previous ...