Supported by National Natural Science Foundation of China (Grant Nos. 10801103, 10801126 and 10871142);Natural Sciences Fund for Colleges and Universities in Jiangsu Province (Grant No. 08KJB110010)
In this paper, using the integral method observed by Mai Jiehua recently, we show that no dendrite admits a sensitive commutative group action.
Supported by the National Natural Science Foundation of China(No.10801103);by the Natural Sciences Fund for Colleges and Universities in Jiangsu Province(No.08KJB110010)