Boatto, Stefanella; Simó, Carles A vortex ring on a sphere: the case of total vorticity equal to zero. (English) Zbl 1462.76032 Philos. Trans. R. Soc. Lond., A, Math. Phys. Eng. Sci. 377, No. 2158, Article ID 20190019, 22 p. (2019). MSC: 76B47 85A05 PDFBibTeX XMLCite \textit{S. Boatto} and \textit{C. Simó}, Philos. Trans. R. Soc. Lond., A, Math. Phys. Eng. Sci. 377, No. 2158, Article ID 20190019, 22 p. (2019; Zbl 1462.76032) Full Text: DOI
Boatto, Stefanella; Simó, Carles Thomson’s heptagon: A case of bifurcation at infinity. (English) Zbl 1143.76404 Physica D 237, No. 14-17, 2051-2055 (2008). MSC: 76B47 76E99 PDFBibTeX XMLCite \textit{S. Boatto} and \textit{C. Simó}, Physica D 237, No. 14--17, 2051--2055 (2008; Zbl 1143.76404) Full Text: DOI