Hernández-Corbato, Luis; Ortega, Rafael; Ruiz del Portal, Francisco R. Attractors with irrational rotation number. (English) Zbl 1267.37040 Math. Proc. Camb. Philos. Soc. 153, No. 1, 59-77 (2012). Reviewer: Franco Vivaldi (London) MSC: 37E45 37E30 37C70 30D40 37E10 PDFBibTeX XMLCite \textit{L. Hernández-Corbato} et al., Math. Proc. Camb. Philos. Soc. 153, No. 1, 59--77 (2012; Zbl 1267.37040) Full Text: DOI
Ruiz del Portal, Francisco R. Planar isolated and stable fixed points have index =1. (English) Zbl 1052.37011 J. Differ. Equations 199, No. 1, 179-188 (2004). MSC: 37B25 37B30 37C25 54H25 55M20 PDFBibTeX XMLCite \textit{F. R. Ruiz del Portal}, J. Differ. Equations 199, No. 1, 179--188 (2004; Zbl 1052.37011) Full Text: DOI