Aichinger, Florian On the convergence rate of the fraction of simple algebras. (English) Zbl 1459.08001 Algebra Univers. 81, No. 4, Paper No. 58, 8 p. (2020). Reviewer: Jaak Henno (Tallinn) MSC: 08A30 PDFBibTeX XMLCite \textit{F. Aichinger}, Algebra Univers. 81, No. 4, Paper No. 58, 8 p. (2020; Zbl 1459.08001) Full Text: DOI
Cardó, Carles Equidecomposable magmas. (English) Zbl 1480.20142 Algebra Univers. 81, No. 4, Paper No. 57, 26 p. (2020). Reviewer: David Stanovsky (Praha) MSC: 20N02 08B20 PDFBibTeX XMLCite \textit{C. Cardó}, Algebra Univers. 81, No. 4, Paper No. 57, 26 p. (2020; Zbl 1480.20142) Full Text: DOI
Basheyeva, Ainur O.; Mustafa, Manat; Nurakunov, Anvar M. Properties not retained by pointed enrichments of finite lattices. (English) Zbl 1460.08001 Algebra Univers. 81, No. 4, Paper No. 56, 11 p. (2020). Reviewer: Alexander Ivanovich Budkin (Barnaul) MSC: 08A30 08C15 06B20 06B30 PDFBibTeX XMLCite \textit{A. O. Basheyeva} et al., Algebra Univers. 81, No. 4, Paper No. 56, 11 p. (2020; Zbl 1460.08001) Full Text: DOI
Arnold, André; Cégielski, Patrick; Grigorieff, Serge; Guessarian, Irène Affine completeness of the algebra of full binary trees. (English) Zbl 1484.08001 Algebra Univers. 81, No. 4, Paper No. 55, 9 p. (2020). MSC: 08A30 06A06 08B20 PDFBibTeX XMLCite \textit{A. Arnold} et al., Algebra Univers. 81, No. 4, Paper No. 55, 9 p. (2020; Zbl 1484.08001) Full Text: DOI
Jakubíková-Studenovská, Danica; Janičková, Lucia Congruence lattices of connected monounary algebras. (English) Zbl 1459.08002 Algebra Univers. 81, No. 4, Paper No. 54, 12 p. (2020). Reviewer: Ivan Chajda (Přerov) MSC: 08A30 08A60 08A62 PDFBibTeX XMLCite \textit{D. Jakubíková-Studenovská} and \textit{L. Janičková}, Algebra Univers. 81, No. 4, Paper No. 54, 12 p. (2020; Zbl 1459.08002) Full Text: DOI
Oda, Fumihito; Takegahara, Yugen; Yoshida, Tomoyuki Lattice Burnside rings. (English) Zbl 1455.19002 Algebra Univers. 81, No. 4, Paper No. 53, 31 p. (2020). MSC: 19A22 20C05 16U40 16U60 PDFBibTeX XMLCite \textit{F. Oda} et al., Algebra Univers. 81, No. 4, Paper No. 53, 31 p. (2020; Zbl 1455.19002) Full Text: DOI arXiv
Fioravanti, Stefano Closed sets of finitary functions between finite fields of coprime order. (English) Zbl 1484.08005 Algebra Univers. 81, No. 4, Paper No. 52, 13 p. (2020). MSC: 08A40 PDFBibTeX XMLCite \textit{S. Fioravanti}, Algebra Univers. 81, No. 4, Paper No. 52, 13 p. (2020; Zbl 1484.08005) Full Text: DOI arXiv
Payne, Ian Some structural and residual properties of 2-semilattices. (English) Zbl 1471.08002 Algebra Univers. 81, No. 4, Paper No. 51, 24 p. (2020). Reviewer: Keith Kearnes (Boulder) MSC: 08A05 08B26 PDFBibTeX XMLCite \textit{I. Payne}, Algebra Univers. 81, No. 4, Paper No. 51, 24 p. (2020; Zbl 1471.08002) Full Text: DOI
Craig, Andrew P. K.; Davey, Brian A.; Haviar, Miroslav Expanding Belnap: dualities for a new class of default bilattices. (English) Zbl 1484.06043 Algebra Univers. 81, No. 4, Paper No. 50, 26 p. (2020). MSC: 06D50 08C20 03G25 PDFBibTeX XMLCite \textit{A. P. K. Craig} et al., Algebra Univers. 81, No. 4, Paper No. 50, 26 p. (2020; Zbl 1484.06043) Full Text: DOI arXiv
Salamanca Téllez, Julián Lattices do not distribute over powerset. (English) Zbl 1467.18002 Algebra Univers. 81, No. 4, Paper No. 49, 11 p. (2020). Reviewer: Ahmet A. Khusainov (Komsomolsk-om-Amur) MSC: 18A23 06B25 06A12 18C15 68Q85 68Q65 PDFBibTeX XMLCite \textit{J. Salamanca Téllez}, Algebra Univers. 81, No. 4, Paper No. 49, 11 p. (2020; Zbl 1467.18002) Full Text: DOI
Ahanger, Shabir Ahmad; Shah, Aftab Hussain; Khan, Noor Mohammad On saturated varieties of posemigroups. (English) Zbl 1484.06054 Algebra Univers. 81, No. 4, Paper No. 48, 11 p. (2020). MSC: 06F05 20M07 PDFBibTeX XMLCite \textit{S. A. Ahanger} et al., Algebra Univers. 81, No. 4, Paper No. 48, 11 p. (2020; Zbl 1484.06054) Full Text: DOI
Huang, Mengqiao; Fu, Yuxi A note on the Knaster-Tarski fixpoint theorem. (English) Zbl 1484.06007 Algebra Univers. 81, No. 4, Paper No. 47, 5 p. (2020). MSC: 06A06 06B23 PDFBibTeX XMLCite \textit{M. Huang} and \textit{Y. Fu}, Algebra Univers. 81, No. 4, Paper No. 47, 5 p. (2020; Zbl 1484.06007) Full Text: DOI
Kearnes, Keith A.; Rasstrigin, Alexander Representing subalgebras as retracts of finite subdirect powers. (English) Zbl 1481.08001 Algebra Univers. 81, No. 4, Paper No. 46, 13 p. (2020). Reviewer: Erhard Aichinger (Linz) MSC: 08A05 08A30 08A60 20F17 PDFBibTeX XMLCite \textit{K. A. Kearnes} and \textit{A. Rasstrigin}, Algebra Univers. 81, No. 4, Paper No. 46, 13 p. (2020; Zbl 1481.08001) Full Text: DOI arXiv