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The Weyl tensor of a gradient Ricci soliton
Người báo cáo: Tran Thanh Hung (Cornell University, US):
Thời gian: 9h thứ 5 ngày 2/1/2014
Địa điểm: Phòng 4, Nhà A14, Viện Toán học

Tóm tắt: A Gradient Ricci soliton (GRS) is a generalization of an Einstein manifold and also plays a key role in the Ricci flow theory,as seen in Perelman’s work on the Poincare conjecture or the differen-tiable sphere theorem by S. Brendle and R. Schoen. In low dimension (n a.That formula, in turn, reveals some interesting connection between the geometry and topology of a GRS. The project involves the Ricci flow, Einstein manifolds, and the solution to the Yamabe conjecture. This is a joint work with Xiaodong Cao.

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