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There is a page named "Aperiodic semigroup" on Wikipedia

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  • In abstract algebra, a semigroup with three elements is an object consisting of three elements and an associative operation defined on them. The basic...
    15 KB (496 words) - 06:51, 14 March 2023
  • cf. [1]) Krohn–Rhodes theory Semigroup algebra Transformation semigroup Monoid Aperiodic monoid Free monoid Monoid (category theory) Monoid factorisation...
    12 KB (1,128 words) - 01:18, 14 November 2023
  • Thumbnail for Avraham Trahtman
    for semigroups of order less than six. Semigroup Forum, 27(1983), 387-389. A.N. Trahtman. Finiteness of a basis of identities of 5-element semigroups. Polugruppy...
    8 KB (999 words) - 17:07, 8 February 2023
  • finite semigroup S is a divisor of a finite alternating wreath product of finite simple groups (each of which is a divisor of S) and finite aperiodic semigroups...
    6 KB (953 words) - 18:05, 19 February 2021
  • Thumbnail for Synchronizing word
    connected and aperiodic regular digraph can be labeled in this way; their conjecture was proven in 2007 by Avraham Trahtman. A transformation semigroup is synchronizing...
    8 KB (884 words) - 00:45, 29 June 2024
  • Word problem for semigroups
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    introduced this notion hoping to solve the word problem for finitely presented semigroups. Only in 1947 was the problem shown to be undecidable— this result was...
    21 KB (3,402 words) - 01:48, 15 December 2023
  • (Russian: Свердловская тетрадь) is a collection of unsolved problems in semigroup theory, first published in 1969 and updated many times since. The Dniester...
    189 KB (19,520 words) - 01:02, 29 June 2024
  • seven that are not repetitions of a shorter string, and 126 different semigroups on four elements (up to isomorphism and reversal). There are exactly 126...
    5 KB (743 words) - 03:38, 1 December 2023
  • written over 100 research articles, mainly on the theory of groups and semigroups. He is also the author or co-author of 17 textbooks. Robertson obtained...
    4 KB (368 words) - 05:14, 6 May 2024
  • Syntactic semigroup
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    Schützenberger characterized star-free languages as those with finite aperiodic syntactic monoids. Holcombe (1982) p.160 Lawson (2004) p.210 Lawson (2004)...
    11 KB (1,582 words) - 19:31, 11 June 2024
  • amount of time. Due to the secret passageway, the Markov chain is also aperiodic, because the ghosts can move from any state to any state both in an even...
    23 KB (4,241 words) - 01:52, 27 June 2024
  • number of irredundant sets in the 29-cocktail party graph 1713 = number of aperiodic rooted trees with 12 nodes 1714 = number of regions formed by drawing...
    162 KB (25,340 words) - 11:00, 18 June 2024
  • Thumbnail for Deterministic finite automaton
    monoid is known as the transition monoid, or sometimes the transformation semigroup. The construction can also be reversed: given a δ ^ {\displaystyle {\widehat...
    30 KB (3,659 words) - 18:00, 12 June 2024
  • subgroups of Lie groups, geometric group theory, ergodic theory, and aperiodic tilings. His collaborators include Jean Bourgain, Alex Eskin, Elon Lindenstrauss...
    8 KB (800 words) - 01:12, 11 December 2023
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