Çullhaj, Fabiana; Krakulli, Anjeza Some characterizations of regularity and intra-regularity of \(\Gamma \)-semigroups by means of quasi-ideals. (English) Zbl 1496.20127 Novi Sad J. Math. 51, No. 2, 39-46 (2021). MSC: 20M75 20M17 20M12 PDFBibTeX XMLCite \textit{F. Çullhaj} and \textit{A. Krakulli}, Novi Sad J. Math. 51, No. 2, 39--46 (2021; Zbl 1496.20127) Full Text: DOI
Brot, Joshua; Cao, Mengyang; Fernández-Bretón, David Finiteness classes arising from Ramsey-theoretic statements in set theory without choice. (English) Zbl 07333023 Ann. Pure Appl. Logic 172, No. 6, Article ID 102961, 27 p. (2021). MSC: 03E25 03E30 03E35 05D10 PDFBibTeX XMLCite \textit{J. Brot} et al., Ann. Pure Appl. Logic 172, No. 6, Article ID 102961, 27 p. (2021; Zbl 07333023) Full Text: DOI arXiv
Lehner, Florian; Smith, Simon M. On symmetries of edge and vertex colourings of graphs. (English) Zbl 1443.05071 Discrete Math. 343, No. 9, Article ID 111959, 7 p. (2020). MSC: 05C15 05C75 PDFBibTeX XMLCite \textit{F. Lehner} and \textit{S. M. Smith}, Discrete Math. 343, No. 9, Article ID 111959, 7 p. (2020; Zbl 1443.05071) Full Text: DOI arXiv
Galvin, F.; Komjáth, P. Graph colorings and the axiom of choice. (English) Zbl 0748.05056 Period. Math. Hung. 22, No. 1, 71-75 (1991). Reviewer: J.Fiamcik MSC: 05C15 03E25 PDFBibTeX XMLCite \textit{F. Galvin} and \textit{P. Komjáth}, Period. Math. Hung. 22, No. 1, 71--75 (1991; Zbl 0748.05056) Full Text: DOI Backlinks: MO