扭转映射的一个不动点定理

A Fixed Points Theorem for Twist Maps

中文关键词:  Poincaré Birkhoff定理  扭转映射  集连通．

英文关键词:Poincaré Birkhoff theorem  twist map  connected set.

中文摘要:

      本文利用集连通理论，给出了非保面积的扭转映射至少有两个不动点的一个新定理．

英文摘要:

      By the technique of connected set, we prove that a class of continuous maps, which are not necessarily an area preserving homomorphism, has at least two fixed points.