Research Interest: Geometric topology and geometric group theory

Employment

September 2024-present, Associate Professor, Academy of Mathematics and Systems Science, Chinese Academy of Science

August 2021-August 2024, Assistant Professor, University of Maryland

August 2018-July 2021, Postdoc, Caltech

Education

Ph.D.  University of Chicago, 2013-2018, Thesis Advisor: Benson Farb

B.S.   Peking University, 2009-2013, Thesis Advisor: Jiajun Wang

Awards & Hornors

2024 Kamil Duszenko Award

2024 NSF Career Award, NSF Division of Mathematical Sciences (Topology)

2022 Sloan Research Fellowship, Alfred P. Sloan Foundation

2018 Kowalsky Fellowship for Research Excellence, University of Chicago

Selected Papers and preprints

1. (with Bena Tshishiku) Nielsen realization for sphere twists on 3-manifolds, to appear Israel Mathematics, https://arxiv.org/abs/2204.04820

2. (with Nick Salter) Global fixed points of mapping class group actions and a theorem of Markovic, J. Topol. 15 (2022), no. 3, 1311–1324

3. (with Vladimir Markovic) Non-realizability of the Torelli group as areapreserving homeomorphisms, J. Lond. Math. Soc. (2) 102 (2020), no. 3, 957–976

4. (with Kathryn Mann) Structure theorems for actions of homeomorphism groups, to appear in Duke Math, https://arxiv.org/abs/1902.05117