Addendum To: Almost Ricci solitons and K-contact geometry

被引:0
|
作者
Sharma, Ramesh [1 ]
机构
[1] Univ New Haven, West Haven, CT 06516 USA
关键词
Ricci soliton; contact metric structure; K-contact; Einstein Sasakian; infinitesimal automorphism;
D O I
10.1007/s00022-021-00615-1
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We improve the previous result "A complete Ricci soliton whose metric g is K-contact and the soliton vector field X is strictly contact, is compact Sasakian Einstein" and show that, if a complete Ricci soliton (M, g, X) whose metric g is a contact metric and the soliton vector field X is strictly contact, then X is an infinitesimal automorphism and g is Einstein. Finally, for a Ricci soliton with X as the Reeb vector field, we show that (M, g) is compact Einstein and and Sasakian.
引用
收藏
页数:4
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