Morier-Genoud, Sophie; Ovsienko, Valentin; Tabachnikov, Serge \(\mathrm{SL}_2(\mathbb{Z})\)-tilings of the torus, Coxeter-Conway friezes and Farey triangulations. (English) Zbl 1331.05022 Enseign. Math. (2) 61, No. 1-2, 71-92 (2015). MSC: 05A15 05B45 11B57 13F60 11B37 PDFBibTeX XMLCite \textit{S. Morier-Genoud} et al., Enseign. Math. (2) 61, No. 1--2, 71--92 (2015; Zbl 1331.05022) Full Text: DOI arXiv
Ovsienko, Valentin Vector fields in the presence of a contact structure. (English) Zbl 1117.53057 Enseign. Math. (2) 52, No. 3-4, 215-229 (2006). Reviewer: Meng-Kiat Chuah (Hsinchu) MSC: 53D10 17B66 37J60 PDFBibTeX XMLCite \textit{V. Ovsienko}, Enseign. Math. (2) 52, No. 3--4, 215--229 (2006; Zbl 1117.53057) Full Text: arXiv
Ovsienko, Valentin; Tabachnikov, Serge Projective geometry of polygons and discrete 4-vertex and 6-vertex theorems. (English) Zbl 1060.53010 Enseign. Math., II. Sér. 47, No. 1-2, 3-19 (2001). Reviewer: Hubert Gollek (Berlin) MSC: 53A20 51N15 PDFBibTeX XMLCite \textit{V. Ovsienko} and \textit{S. Tabachnikov}, Enseign. Math. (2) 47, No. 1--2, 3--19 (2001; Zbl 1060.53010) Full Text: arXiv