Mathematics – Differential Geometry
Scientific paper
2011-08-31
Mathematics
Differential Geometry
10 pages
Scientific paper
In this paper, we consider the scalar curvature of Yamabe solitons. In particular we show that, with natural conditions and non positive Ricci curvature, any complete Yamabe soliton has constant scalar curvature, namely, it is a Yamabe metric. We also show that the quadratic decay at infinity of the Ricci curvature of a complete non-compact Yamabe soliton has non-negative scalar curvature. A new proof of Kazdan-Warner condition is also presented.
Ma Liangping
Miquel Vicente
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