Picture in the ND math lounge

Xiyan Zhong (钟希妍)

I am a postdoc at the Max Planck Institute in Bonn, where my mentor is Ursula Hamenstädt. I did my Ph.D. at the University of Notre Dame under the supervision of Andrew Putman.
Here is my CV (last updated: 07/2026).

Contact Information:

   Email: zhongx [at] mpim-bonn [dot] mpg [dot] de
   Vivatsgasse 7, 53111 Bonn, Germany

Research Interest:

I am mainly interested in geometric group theory, especially mapping class groups.

Papers/Preprints:

4.Rigidity of the period map up to finite covers. In preparation.

3.Stable cohomology of universal character varieties, with Ishan Banerjee, Faye Jackson, Anne Larsen, and Sam Payne.(preprint)

2.Linear representations of the mapping class group of dimension at most 3g-3, with Julian Kaufmann, Nick Salter, and Zhong Zhang. To appear in Algebraic Geometry and Topology

1.Prym Representations and Twisted Cohomology of the Mapping Class Group with Level Structures. Geometry & Topology 30-1 (2026), 155--202.

Education:

Summer Project in 2019 :

Visited Prof. Justin Malestein at the University of Oklahoma and computed the image of the Johnson homomorphism for all compact surfaces (Report)

Seminars:

Teaching Experience: