## Vol. 28 (2021) No. 04

Journal of Mathematical Sciences The University of Tokyo

1. Dlotko, Tomasz; Liang, Tongtong; Wang, Yejuan
Dirichlet Problem for Critical 2D Quasi-Geostrophic Equation with Large Data
Vol. 28 (2021), No. 4, Page 557-582.

2. Déserti, Julie
On Regularizable Birational Maps
Vol. 28 (2021), No. 4, Page 583-591.

3. Inagaki, Yusuke
Invariants of ${\rm PSL}_n\mathbb{R}$-Fuchsian Representations and a Slice of Hitchin Components

Vol. 28 (2021), No. 4, Page 593-639.