collaborators

2 papers

math.AG2026

A birational description of the minimal exponent

Qianyu Chen, Mircea Mustaţă

We give a description of the minimal exponent of a hypersurface using higher direct images of suitably twisted sheaves of log forms on a log resolution.

math.AG2026

Lower Bounds on Essential Dimension for Congruence Covers of Mixed Shimura Varieties

Qi'An Chen

We use the fixed point method and toroidal compactifications to establish general lower bounds for the essential dimension of congruence covers $Γ' \backslash \mathcal{X}^0 \right…