Bernhardt, Chris Time-symmetric cycles. (English) Zbl 1016.37018 Int. J. Math. Math. Sci. 2003, No. 26, 1683-1692 (2003). Summary: The main result of this note is that given any two time-symmetric cycles, one can find a time-symmetric extension of one by the other. This means that given a time-symmetric cycle, both time-symmetric doubles and square roots can be found. MSC: 37E05 Dynamical systems involving maps of the interval Keywords:time-symmetric extension; time-symmetric cycle; time-symmetric doubles; square roots PDFBibTeX XMLCite \textit{C. Bernhardt}, Int. J. Math. Math. Sci. 2003, No. 26, 1683--1692 (2003; Zbl 1016.37018) Full Text: DOI EuDML