Dalla Volta, Francesca; Siemons, Johannes Permutation groups defined by unordered relations. (English) Zbl 1208.20001 Bianchi, Mariagrazia (ed.) et al., Ischia group theory 2008. Proceedings of the conference in group theory, Naples, Italy, April 1–4, 2008. Hackensack, NJ: World Scientific (ISBN 978-981-4277-79-2/pbk). 56-67 (2009). Reviewer: John D. Dixon (Ottawa) MSC: 20B07 20B35 20B27 PDFBibTeX XMLCite \textit{F. Dalla Volta} and \textit{J. Siemons}, in: Ischia group theory 2008. Proceedings of the conference in group theory, Naples, Italy, April 1--4, 2008. Hackensack, NJ: World Scientific. 56--67 (2009; Zbl 1208.20001)
Maynard, Philip; Siemons, Johannes On the reconstruction index of permutation groups: semiregular groups. (English) Zbl 1048.20001 Aequationes Math. 64, No. 3, 218-231 (2002). Reviewer: Alice Devillers (Bruxelles) MSC: 20B05 20B07 05C60 PDFBibTeX XMLCite \textit{P. Maynard} and \textit{J. Siemons}, Aequationes Math. 64, No. 3, 218--231 (2002; Zbl 1048.20001) Full Text: DOI
Mnukhin, Valery; Siemons, Johannes On modular homology in the Boolean algebra. (English) Zbl 0839.20003 J. Algebra 179, No. 1, 191-199 (1996). Reviewer: J.Neggers (Tuscaloosa) MSC: 20B10 20C07 16S34 18G99 05E20 05A18 16E99 PDFBibTeX XMLCite \textit{V. Mnukhin} and \textit{J. Siemons}, J. Algebra 179, No. 1, 191--199 (1996; Zbl 0839.20003) Full Text: DOI Link
Siemons, Johannes Permutation groups on unordered sets. II: On a theorem of Frucht. (English) Zbl 0793.20002 Discrete Math. 118, No. 1-3, 285-288 (1993). Reviewer: W.Knapp (Tübingen) MSC: 20B27 05B05 05E20 20B05 20B22 20B25 PDFBibTeX XMLCite \textit{J. Siemons}, Discrete Math. 118, No. 1--3, 285--288 (1993; Zbl 0793.20002) Full Text: DOI
Siemons, Johannes Permutation groups on unordered sets. I. (English) Zbl 0535.20002 Arch. Math. 43, 483-487 (1984). MSC: 20B07 PDFBibTeX XMLCite \textit{J. Siemons}, Arch. Math. 43, 483--487 (1984; Zbl 0535.20002) Full Text: DOI