From the 1 of 2 linked papers with an AI index.
2 papers
math.AP2026
Geometric analysis on rhombus torus: Green function with two singularities
Zhijie Chen, Erjuan Fu, Chang-Shou Lin +1
The paper studies how the geometry of a rhombus-shaped flat torus and the positions of two singularities affect the critical points of a symmetrized Green function, and uses this t…
math.AP2025
Sharp stability on the second Robin eigenvalue with negative boundary parameters
Zhijie Chen, Zhen Song, Wenming Zou
In this paper, we prove a quantitative refinement of the isoperimetric type inequality for the second Robin eigenvalue with negative boundary parameters established by Freitas and…