We consider two-parameter families of C-r-smooth, r greater than or equal to 6, two-dimensional are a preserving diffeomorphisms that have structurally unstable simplest heteroclinic cycles. We find the conditions when diffeomorphisms under consideration possess infinitely many periodic generic elliptic points and elliptic islands.
机构:
Harbin Inst Technol, Harbin, Heilongjiang, Peoples R China
South Univ Sci & Technol, Shenzhen, Guangdong, Peoples R ChinaHarbin Inst Technol, Harbin, Heilongjiang, Peoples R China
Qu, Huadi
Xia, Zhihong
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机构:
Northwestern Univ, Dept Math, Evanston, IL 60208 USAHarbin Inst Technol, Harbin, Heilongjiang, Peoples R China