2 papers
math.AP2026
Orthonormal Spectral Cluster Bounds on Manifolds with Nonpositive Curvature
Jean-Claude Cuenin, Ngoc Nhi Nguyen, Xiaoyan Su
Let be a closed -dimensional Riemannian manifold with nonpositive sectional curvature. We prove sharp, logarithmically improved spectral cluster bounds for orthonormal s…
math.AP2024
Intertwining operators beyond the Stark Effect
Luca Fanelli, Xiaoyan Su, Ying Wang +2
The main mathematical manifestation of the Stark effect in quantum mechanics is the shift and the formation of clusters of eigenvalues when a spherical Hamiltonian is perturbed by…