| 2 | NMS Flows on Three-Dimensional Manifolds with One Saddle Periodic Orbit显示文摘The simplest NMS flow is a polar flow formed by an attractive periodic orbit and a repulsive periodic orbit as limit sets.In this paper we show that the only orientable,simple,compact,3-dimensional manifolds without boundary that admit an NMS flow with none or one saddle periodic orbit are lens spaces. We also see that when a fattened round handle is a connected sum of tori, the corresponding flow is also a trivial connected sum of flows. | B.CAMPOS A.CORDERO J.Martinez ALFARO P.VINDEL | 2004 | Acta Mathematica Sinica,English Series2004，20，1： | 0 |
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