Petrich, Mario Bases for certain varieties of completely regular semigroups. (English) Zbl 07396210 Commentat. Math. Univ. Carol. 62, No. 1, 41-65 (2021). Reviewer: Ulrich Knauer (Oldenburg) MSC: 20M07 20M10 PDFBibTeX XMLCite \textit{M. Petrich}, Commentat. Math. Univ. Carol. 62, No. 1, 41--65 (2021; Zbl 07396210) Full Text: DOI
Hawthorn, I.; Stokes, T. Near heaps. (English) Zbl 1227.20063 Commentat. Math. Univ. Carol. 52, No. 2, 163-175 (2011). MSC: 20N10 20M10 20M07 PDFBibTeX XMLCite \textit{I. Hawthorn} and \textit{T. Stokes}, Commentat. Math. Univ. Carol. 52, No. 2, 163--175 (2011; Zbl 1227.20063) Full Text: EuDML EMIS
Abdullahu, Fitore; Zejnullahu, Abdullah Notes on semimedial semigroups. (English) Zbl 1203.20053 Commentat. Math. Univ. Carol. 50, No. 3, 321-324 (2009). Reviewer: Václav Koubek (Praha) MSC: 20M10 20M07 20M05 PDFBibTeX XMLCite \textit{F. Abdullahu} and \textit{A. Zejnullahu}, Commentat. Math. Univ. Carol. 50, No. 3, 321--324 (2009; Zbl 1203.20053) Full Text: EuDML EMIS
Hawthorn, Ian; Stokes, Tim Radical decompositions of semiheaps. (English) Zbl 1204.20087 Commentat. Math. Univ. Carol. 50, No. 2, 191-208 (2009). Reviewer: Aleš Drápal (Praha) MSC: 20N10 08A30 20M11 20M07 PDFBibTeX XMLCite \textit{I. Hawthorn} and \textit{T. Stokes}, Commentat. Math. Univ. Carol. 50, No. 2, 191--208 (2009; Zbl 1204.20087) Full Text: EuDML EMIS
Vernikov, Boris M. On modular elements of the lattice of semigroup varieties. (English) Zbl 1174.20324 Commentat. Math. Univ. Carol. 48, No. 4, 595-606 (2007). Reviewer: Jiří Rachůnek (Olomouc) MSC: 20M07 08B15 PDFBibTeX XMLCite \textit{B. M. Vernikov}, Commentat. Math. Univ. Carol. 48, No. 4, 595--606 (2007; Zbl 1174.20324) Full Text: EuDML EMIS
Demlová, M.; Koubek, V. Weak alg-universality and \(Q\)-universality of semigroup quasivarieties. (English) Zbl 1120.20059 Commentat. Math. Univ. Carol. 46, No. 2, 257-279 (2005). MSC: 20M07 08C15 08B15 18B15 PDFBibTeX XMLCite \textit{M. Demlová} and \textit{V. Koubek}, Commentat. Math. Univ. Carol. 46, No. 2, 257--279 (2005; Zbl 1120.20059) Full Text: EuDML EMIS
Drápal, Aleš; Kepka, Tomáš; Musílek, Michal Group conjugation has non-trivial LD-identities. (English) Zbl 0810.20053 Commentat. Math. Univ. Carol. 35, No. 2, 219-222 (1994). Reviewer: J.Duda (Brno) MSC: 20N02 20A05 08B15 20M07 PDFBibTeX XMLCite \textit{A. Drápal} et al., Commentat. Math. Univ. Carol. 35, No. 2, 219--222 (1994; Zbl 0810.20053) Full Text: EuDML
Kepka, Tomáš Non-idempotent left symmetric left distributive groupoids. (English) Zbl 0807.20057 Commentat. Math. Univ. Carol. 35, No. 1, 181-186 (1994). Reviewer: J.Ježek (Praha) MSC: 20N02 20M07 PDFBibTeX XMLCite \textit{T. Kepka}, Commentat. Math. Univ. Carol. 35, No. 1, 181--186 (1994; Zbl 0807.20057) Full Text: EuDML
Koubek, V. Representations in varieties of regular involution bands. (English) Zbl 0731.18001 Commentat. Math. Univ. Carol. 31, No. 2, 201-211 (1990). Reviewer: M.Demlová (Praha) MSC: 18B15 20M07 20M30 PDFBibTeX XMLCite \textit{V. Koubek}, Commentat. Math. Univ. Carol. 31, No. 2, 201--211 (1990; Zbl 0731.18001) Full Text: EuDML
Sin-Min, Lee On a simple one-element extension of left zero semigroups. (English) Zbl 0437.08005 Commentat. Math. Univ. Carol. 21, 313-318 (1980). MSC: 08B15 08A30 08A35 20M07 PDFBibTeX XMLCite \textit{L. Sin-Min}, Commentat. Math. Univ. Carol. 21, 313--318 (1980; Zbl 0437.08005) Full Text: EuDML
Ježek, Jaroslav Upper semicomplements and a definable element in the lattice of groupoid varieties. (English) Zbl 0225.08007 Commentat. Math. Univ. Carol. 12, 565-586 (1971). MSC: 08B15 06B99 20M14 PDFBibTeX XMLCite \textit{J. Ježek}, Commentat. Math. Univ. Carol. 12, 565--586 (1971; Zbl 0225.08007) Full Text: EuDML