Cortés, Emilio; Ruiz, Melina Geometric mechanics of ray optics as particle dynamics: refraction index with cylindrical symmetry. (English) Zbl 1386.78003 Eur. J. Phys. 38, No. 5, Article ID 055302, 12 p. (2017). MSC: 78A05 PDFBibTeX XMLCite \textit{E. Cortés} and \textit{M. Ruiz}, Eur. J. Phys. 38, No. 5, Article ID 055302, 12 p. (2017; Zbl 1386.78003) Full Text: DOI
Piña, Eduardo; Cortés, Emilio Störmer problem restricted to a spherical surface and the Euler and Lagrange tops. (English) Zbl 1398.70017 Eur. J. Phys. 37, No. 6, Article ID 065009, 14 p. (2016). MSC: 70E17 70H03 70H05 33E05 78A35 PDFBibTeX XMLCite \textit{E. Piña} and \textit{E. Cortés}, Eur. J. Phys. 37, No. 6, Article ID 065009, 14 p. (2016; Zbl 1398.70017) Full Text: DOI
Cortés, Emilio; Cortés Poza, David Störmer problem restricted to a spherical surface. (English) Zbl 1332.78011 Eur. J. Phys. 36, No. 5, Article ID 055009, 14 p. (2015). MSC: 78A35 70H05 PDFBibTeX XMLCite \textit{E. Cortés} and \textit{D. Cortés Poza}, Eur. J. Phys. 36, No. 5, Article ID 055009, 14 p. (2015; Zbl 1332.78011) Full Text: DOI