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Novikov-type
inequalities for vector fields with non-isolated zero
points
Huitao Feng and Enli Guo |
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Vol. 201 (2001), No. 1, 107–120
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Abstract |
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In this paper we prove some Novikov-type inequalities for vector fields with non-isolated zero points, which generalize some results of Shubin, 1996. As a consequence, we obtain an analytic proof of Hopf index theorem for vector fields which are nondegenerate in the sense of Bott. |
Milestones
Received: 12 December 1999
Revised: 3 May 2000
Published: 1 November 2001
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Authors |
| Huitao Feng | |
| Nankai Institute of
Mathematics Nankai University Tianjin 300071 People’s Republic of China |
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| Enli Guo | |
| The College of Applied Mathematics
and Physics Beijing Polytechnic University Beijing, 100000 People’s Republic of China |
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