3 papers
math.SP2025
Multiple eigenvalues and the width
Qixuan Hu
We obtain the simplicity of the first Neumann eigenvalue of convex thin domain with boundary in and compact thin manifolds with non-negative Ricci curvature. For convex thin…
math.DG2025
Some aspects of Cheng-Yau gradient estimates
Qixuan Hu, Chengjie Yu
In this note, we extend the rigidity of Cheng-Yau gradient estimate in \cite{HXY} to surfaces with lower Ricci curvature bound. Motivated by these sharp Cheng-Yau gradient estimate…
cs.CL2025
A novel language model for predicting serious adverse event results in clinical trials from their prospective registrations
Qixuan Hu, Xumou Zhang, Jinman Kim +2
Objectives: With accurate estimates of expected safety results, clinical trials could be better designed and monitored. We evaluated methods for predicting serious adverse event (S…