Pottmann, Helmut; Ravani, Bahram Singularities of motions constrained by contacting surfaces. (English) Zbl 1047.70559 Mech. Mach. Theory 35, No. 7, 963-984 (2000). MSC: 70B99 70E99 53A05 PDFBibTeX XMLCite \textit{H. Pottmann} and \textit{B. Ravani}, Mech. Mach. Theory 35, No. 7, 963--984 (2000; Zbl 1047.70559) Full Text: DOI
Chen, Horng-Yang; Pottmann, Helmut Approximation by ruled surfaces. (English) Zbl 0934.65017 J. Comput. Appl. Math. 102, No. 1, 143-156 (1999). Reviewer: M.Tasche (Rostock) MSC: 65D17 65D07 PDFBibTeX XMLCite \textit{H.-Y. Chen} and \textit{H. Pottmann}, J. Comput. Appl. Math. 102, No. 1, 143--156 (1999; Zbl 0934.65017) Full Text: DOI
Peternell, Martin; Pottmann, Helmut A Laguerre geometric approach to rational offsets. (English) Zbl 0903.68190 Comput. Aided Geom. Des. 15, No. 3, 223-249 (1998). MSC: 68U05 PDFBibTeX XMLCite \textit{M. Peternell} and \textit{H. Pottmann}, Comput. Aided Geom. Des. 15, No. 3, 223--249 (1998; Zbl 0903.68190) Full Text: DOI