Pacheco, Rodrigo P.; Ruggiero, Rafael O. On \(C^{1,\beta}\) density of metrics without invariant graphs. (English) Zbl 1387.37049 Discrete Contin. Dyn. Syst. 38, No. 1, 247-261 (2018). Reviewer: Tudor Binzar (Timişoara) MSC: 37J30 53B21 37J40 PDFBibTeX XMLCite \textit{R. P. Pacheco} and \textit{R. O. Ruggiero}, Discrete Contin. Dyn. Syst. 38, No. 1, 247--261 (2018; Zbl 1387.37049) Full Text: DOI
Ruggiero, Rafael O. On the density of mechanical Lagrangians in \(T^{2}\) without continuous invariant graphs in all supercritical energy levels. (English) Zbl 1153.37404 Discrete Contin. Dyn. Syst., Ser. B 10, No. 2-3, 661-679 (2008). MSC: 37J40 37J50 53D25 PDFBibTeX XMLCite \textit{R. O. Ruggiero}, Discrete Contin. Dyn. Syst., Ser. B 10, No. 2--3, 661--679 (2008; Zbl 1153.37404) Full Text: DOI
Ruggiero, Rafael O. Nonexistence of invariant graphs in all supercritical energy levels of mechanical Lagrangians in \(T^{2}\). (English) Zbl 1111.37048 Bull. Braz. Math. Soc. (N.S.) 37, No. 3, 419-449 (2006). MSC: 37J50 37J40 53D25 PDFBibTeX XMLCite \textit{R. O. Ruggiero}, Bull. Braz. Math. Soc. (N.S.) 37, No. 3, 419--449 (2006; Zbl 1111.37048) Full Text: DOI