On the CR analogue of Obata’s theorem in a pseudohermitian 3-manifold

Chang, Shu-Cheng?Shu-Cheng?ChangChiu, Hung-LinHung-LinChiu2010-05-222018-06-282010-05-222018-06-282009http://ntur.lib.ntu.edu.tw//handle/246246/184005application/pdf217796 bytesapplication/pdfen-USOn the CR analogue of Obata’s theorem in a pseudohermitian 3-manifoldjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/184005/1/04.pdf