Huck, Günther; Rosebrock, Stephan Cancellation diagrams with non-positive curvature. (English) Zbl 0993.20026 Atkinson, Michael (ed.) et al., Computational and geometric aspects of modern algebra. Proceedings of the workshop, Edinburgh, UK, July 23-31, 1998. Cambridge: Cambridge University Press. Lond. Math. Soc. Lect. Note Ser. 275, 128-149 (2000). Reviewer: Vahagn H.Mikaelian (Yerevan) MSC: 20F06 20F10 20F67 20F05 PDFBibTeX XMLCite \textit{G. Huck} and \textit{S. Rosebrock}, Lond. Math. Soc. Lect. Note Ser. 275, 128--149 (2000; Zbl 0993.20026)
Huck, Günther; Rosebrock, Stephan Applications of diagrams to decision problems. (English) Zbl 0815.20024 Hog-Angeloni, Cynthia (ed.) et al., Two-dimensional homotopy and combinatorial group theory. Cambridge: Cambridge University Press. Lond. Math. Soc. Lect. Note Ser. 197, 189-216, 381-407 (1993). Reviewer: S.C.Althoen (Flint) MSC: 20F10 20F06 PDFBibTeX XMLCite \textit{G. Huck} and \textit{S. Rosebrock}, Lond. Math. Soc. Lect. Note Ser. 197, 189--216, 381--407 (1993; Zbl 0815.20024)