Björklund, Michael; Hartnick, Tobias; Pogorzelski, Felix Aperiodic order and spherical diffraction. I: Auto-correlation of regular model sets. (English) Zbl 1394.52022 Proc. Lond. Math. Soc. (3) 116, No. 4, 957-996 (2018). Reviewer: Anton Shutov (Vladimir) MSC: 52C23 22D40 22E40 37A45 PDF BibTeX XML Cite \textit{M. Björklund} et al., Proc. Lond. Math. Soc. (3) 116, No. 4, 957--996 (2018; Zbl 1394.52022) Full Text: DOI
Cutolo, Giovanni; Smith, Howard Groups with countably many subgroups. (English) Zbl 1342.20030 J. Algebra 448, 399-417 (2016). Reviewer: Martyn Dixon (Tuscaloosa) MSC: 20E15 20E07 20F16 20F19 20F50 PDF BibTeX XML Cite \textit{G. Cutolo} and \textit{H. Smith}, J. Algebra 448, 399--417 (2016; Zbl 1342.20030) Full Text: DOI
Westman, Joel J. Skew products and the similarity of virtual subgroups. (English) Zbl 0395.28010 Ill. J. Math. 21, 332-346 (1977). MSC: 28D05 22D40 PDF BibTeX XML Cite \textit{J. J. Westman}, Ill. J. Math. 21, 332--346 (1977; Zbl 0395.28010)