Ph.D.,University of Zurich, 1993

Professor, Tsinghua University, 2013 - dateProfessor, Beijing Normal University, 1995-2013

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1. Applications of Mutations in the Derived Categories of Weighted Projective Lines to Lie and Quantum Algebras, Int. Math. Res. Not. IMRN Vol. 2020, No. 19, 5814–5871.

2. Hall polynomials for tame type, J. Algebra 475 (2017), 171-206.

3. A Double Hall Algebra Approach to Affine Quantum Schur-Weyl Theory, London Math. Soc. Lecture Note Series, 401, Cambridge University Press, 2012.

4. Finite Dimensional Algebras and Quantum Groups, Mathematical Surveys and Monographs, no. 150, Amer. Math. Soc., Providence, 2008.

5. Frobenius morphisms and representations of algebras, Trans. Amer. Math. Soc. 358 (2006), 3591-3622.

6. Monomial bases for quantum affine sl_n, Adv. Math. 191 (2005), 276-304.

7. A new approach to Kac's theorem on representations of valued quivers, Math. Zeit. 245 (2003), 183-199.

8. On a problem of Nazarova and Roiter, Comm. Math. Helvetici 75 (2000), 368-409.