## Survey articles written by students in graduate courses in Peking University

Xiongwei Cai, Morita equivalence of Lie groupoids
Xiaoqing Fan, Clifford Algebra

Wenzhe Wei, Deformation Quatization of Symplectic Manifolds

Du Li, L∞ Algebra

Haofei Fan, Clifford Algebra, K-theory and Riemann-Rock Theorem

Shaofeng Wang, Topics in Clifford Algebra

Fang Zhu, Hodge Theory

Xuwen Zhu, Lie Groupoids, Lie Algebroids and Some Examples

*Ping Xu, ping@math.psu.edu*