Corregidor, Samuel G.; Martínez-Pérez, Álvaro Vertex separators, chordality and virtually free groups. (English) Zbl 07778384 J. Algebra Appl. 23, No. 2, Article ID 2450029, 23 p. (2024). Reviewer: Egle Bettio (Venezia) MSC: 20F65 20F10 05C25 PDFBibTeX XMLCite \textit{S. G. Corregidor} and \textit{Á. Martínez-Pérez}, J. Algebra Appl. 23, No. 2, Article ID 2450029, 23 p. (2024; Zbl 07778384) Full Text: DOI arXiv
Craig, Will; Linnell, Peter A. Unique product groups and congruence subgroups. (English) Zbl 07522544 J. Algebra Appl. 21, No. 2, Article ID 2250025, 9 p. (2022). MSC: 20E18 16S34 16U60 20E18 PDFBibTeX XMLCite \textit{W. Craig} and \textit{P. A. Linnell}, J. Algebra Appl. 21, No. 2, Article ID 2250025, 9 p. (2022; Zbl 07522544) Full Text: DOI arXiv
Araújo, Vítor; Silva, Pedro V. Geometric characterizations of virtually free groups. (English) Zbl 1368.20053 J. Algebra Appl. 16, No. 9, Article ID 1750180, 13 p. (2017). MSC: 20F67 51M10 54E35 20F05 20E05 05C25 PDFBibTeX XMLCite \textit{V. Araújo} and \textit{P. V. Silva}, J. Algebra Appl. 16, No. 9, Article ID 1750180, 13 p. (2017; Zbl 1368.20053) Full Text: DOI arXiv