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Weak Alg-universality and $Q$-universality of Semigroup Quasivarieties

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F05%3A03108421" target="_blank" >RIV/68407700:21230/05:03108421 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11320/05:00000950

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Weak Alg-universality and $Q$-universality of Semigroup Quasivarieties

  • Original language description

    In the study of universality in semigroups varieties it was shown that three finite semigroups paly an important role. The paper brings the proof that quasivarieties generated by two of them are neither relatively algo-universal nor Q-universal, but there exist two semigroups generating the same semigroup variety but such that the quasivariety generated by them is Q-universal.

  • Czech name

    Slabá alg-universalita a Q-universalita ve varietách pologrup

  • Czech description

    Při studiu universality variet pologrup se ukázalo, že duležitou roli hraíi tři konečné pologrupy. V článku je dokázáno, že kvazivarieta generovaná dvěma z nich není relativně universální ani Q-universální, ale existují konečné pologrupy generující stejnou varietu, ale takové, že kvazivarieta jimi generovaná již Q-universální je

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BA - General mathematics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/1M0545" target="_blank" >1M0545: Institute for Theoretical Computer Science</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2005

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Commentationes Mathematicae Universitatis Carolinae

  • ISSN

    0010-2628

  • e-ISSN

  • Volume of the periodical

    46

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    23

  • Pages from-to

    257-279

  • UT code for WoS article

  • EID of the result in the Scopus database