Query:
faculty: "FNWI" and publication year: "2007"
| Authors | A.J. Homburg, T. Young | | Title | Intermittency and Jakobson's theorem near saddle-node bifurcations |
| Journal | Discrete and Continuous Dynamical Systems (DCDS) - Series A |
| Volume | 17 |
| Year | 2007 |
| Issue | 1 |
| Pages | 21-58 |
| ISSN | 10780947 |
| Faculty | Faculty of Science |
| Institute/dept. | FNWI: Korteweg-de Vries Institute for Mathematics (KdVI) |
| Abstract | Abstract. We discuss one parameter families of unimodal maps, with negative
Schwarzian derivative, unfolding a saddle-node bifurcation. We show
that there is a parameter set of positive but not full Lebesgue density at the
bifurcation, for which the maps exhibit absolutely continuous invariant measures
which are supported on the largest possible interval. We prove that these
measures converge weakly to an atomic measure supported on the orbit of the
saddle-node point. Using these measures we analyze the intermittent time series
that result from the destruction of the periodic attractor in the saddle-node
bifurcation and prove asymptotic formulae for the frequency with which orbits
visit the region previously occupied by the periodic attractor. |
| Document type | Article |
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