The Existence of Two Closed Characteristics on Every Compact Star-shaped Hypersurface in R
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作者:
Hui LIU
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机构:
School of Mathematical Sciences, University of Science and Technology of ChinaSchool of Mathematical Sciences, University of Science and Technology of China
Hui LIU
[1
]
Yi Ming LONG
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机构:
Chern Institute of Mathematics and LPMC, Nankai UniversitySchool of Mathematical Sciences, University of Science and Technology of China
Yi Ming LONG
[2
]
机构:
[1] School of Mathematical Sciences, University of Science and Technology of China
[2] Chern Institute of Mathematics and LPMC, Nankai University
Recently, Cristofaro-Gardiner and Hutchings proved that there exist at least two closed characteristics on every compact star-shaped hypersuface in R;. Then Ginzburg, Hein, Hryniewicz,and Macarini gave this result a second proof. In this paper, we give it a third proof by using index iteration theory, resonance identities of closed characteristics and a remarkable theorem of Ginzburg et al.