2 papers
math.SP2026
An isoperimetric inequality for lower order Neumann eigenvalues in Gauss space
Yi Gao, Kui Wang
We prove a sharp isoperimetric inequality for the harmonic mean of the first nonzero Neumann eigenvalues for bounded Lipschitz domains symmetric about the origin in Gauss spa…
math.AP2025
The Robin heat kernel and its expansion via Robin eigenfunctions
Yifeng Meng, Kui Wang
We prove the existence and uniqueness of the Robin heat kernel on compact Riemannian manifolds with smooth boundary for Robin parameter , expressed as a spectral e…