I am a post-doctoral researcher at the Department of Mathematics and Statistics of the University of Jyväskylä, Finland.

Publications:

1. Y. Peng, H.-C. Zhang and X.-P. Zhu, One-phase free boundary problems on Riemannian complexes, Proc. Steklov Inst. Math. 330 (2025), no.1, 270--287;

2. Y. Peng, H.-C. Zhang and X.-P. Zhu, Weyl's lemma on RCD(K,N) metric measure spaces, Calc. Var. Partial Differential Equations 64 (2025), no.1, Paper No. 5, 23 pp.; 

3. Y. Peng, X. Sun and H.-C. Zhang, A note on gradient estimates for elliptic equations with discontinuous coefficients, Chinese Ann. Math. Ser. B 45 (2024), no.1, 1--10;

Positions:

• Sept. 2025 - now: post-doctoral researcher, University of Jyväskylä, Finland. 

• Sept. 2019 - Jun. 2025: PhD student, Sun Yat-sen University, China; supervisor: Prof. Hui-Chun Zhang.