Nyberg-Brodda, Carl-Fredrik The word problem for one-relation monoids: a survey. (English) Zbl 1508.20068 Semigroup Forum 103, No. 2, 297-355 (2021); correction ibid. 105, No. 3, 834-838 (2022). MSC: 20M05 20F10 20F05 20M18 20F36 PDFBibTeX XMLCite \textit{C.-F. Nyberg-Brodda}, Semigroup Forum 103, No. 2, 297--355 (2021; Zbl 1508.20068) Full Text: DOI arXiv
Branco, Mário J. J.; Gomes, Gracinda M. S.; Silva, Pedro V. On the semigroup rank of a group. (English) Zbl 1467.20045 Semigroup Forum 99, No. 3, 568-578 (2019). MSC: 20M05 20F05 PDFBibTeX XMLCite \textit{M. J. J. Branco} et al., Semigroup Forum 99, No. 3, 568--578 (2019; Zbl 1467.20045) Full Text: DOI arXiv