Ramanujan prize 2011 awarded to Yuguang Shi

The International Center for Theoretical Physics in Trieste (Italy) hosted the 2010 Ramanujan Prize ceremony on 10 May 2011, honouring the work of award recipient Yuguang Shi, School of Mathematical Sciences, Peking University, China.
The prize recognizes Shi's "outstanding contributions to the geometry of complete (noncompact) Riemannian manifolds, specifically the positivity of quasi-local mass and rigidity of asymptotically hyperbolic manifolds."
More information: http://www.abelprisen.no/no/nyheter/nyhet.html?tid=48921
http://www.abelprisen.no/no/nyheter/nyhet.html?tid=49114
http://www.ictp.it/news/2010-ramanujan-prize-ceremony.aspx