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【期刊论文】The Geometric Structure of Strange Attractors in the Lozi Mapl6
曹永罗, Yongluo CA, Zengrong LIU *
Communications in Nonlinear Science & Numerical Simulation, 1998, 3 (2): 119~123,-0001,():
-1年11月30日
In this paper, the structure of the strange attractors in the Lozi map is investigated on basis of the results gotten by the authors in 1991-1993. The new results of the strange attractors of the Lozi map show that our viewpoint is correct.
strange attractor, transversal homoclinic point, weak transversal homoclinic point
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【期刊论文】The non-wandering set of some Henon maps
曹永罗, Yongluo Cao a, b, *, Jian Min Mao b
Chaos, Solitons and Fractals 11(2000)2045-2053,-0001,():
-1年11月30日
We consider the Henon maps ha,b (x,y)=(1-ax2) For |b| is small and b < 0, there is a positive measure set of a values near 2, the corresponding map exhibits a strange attractor Ka;b. In this paper, we construct a trapping region which contains Λa;b, we give an exact description of the basin of these Henon strange attractors Λa,b and we also describe the non-wandering set of ha,b as the union of Λa,b with a fixed point.
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【期刊论文】Lauwerier映射的奇怪吸引子的遍历性及其结构
曹永罗
中国科技论文在线,1999,42(6):965~968,-0001,():
-1年11月30日
本文考虑Lauwerier映射Fa,b(X,y)=(bx(1-2y)+y,ay(l-y))。我们证明对于参数a在一个正测度集合中,对应的映射有非平凡的拓扑可迁的吸引子A,其中A是某个双曲不动点的不稳定集的闭包。周期点是双曲的且在A中稠密,而且A中任两个周期点异宿相关(稳定与不稳定集的横截相交)。同时也构造支撑在吸引子上的Sinai-Bowen-Ruelle测度,并研究其性质。
Lauwerier映射, 奇怪吸引子, Sinai-Bowen-Ruelle(, SBR), 测度
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【期刊论文】The isolated saddle-node bifurcation occurring inside a horseshoe
曹永罗, Yongluo CaoYongluo Cao †, Shin Kiriki ‡
,-0001,():
-1年11月30日
In this paper, we consider a smooth arc of diffeomorphisms which has a saddle-node bifurcation inside a nontrivial invariant set which is a deformation of a horseshoe. We show that this saddle-node bifurcation is isolated, that is, its hyperbolicity is maintained before and after the saddle-node bifurcation. Moreover we construct a C2-open set of arcs having the same property.
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【期刊论文】A note about Milnor attractor and riddled basin
曹永罗, Yongluo Cao *
Chaos, Solitons and Fractals 19(2004)759-764,-0001,():
-1年11月30日
In this paper, we give some examples to show that the relation among Milnor attractor and the support of nature measure and riddling attractor
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