3 papers
math.DG2026
Dirichlet--Neumann duality for the Basic Spectrum of Riemannian Submersions: A Supersymmetric Perspective
Vicent Gimeno i Garcia, Paulo Henryque da Costa Silva
This manuscript investigates the spectral geometry of Riemannian submersions whose fibers have a basic mean curvature. By restricting the Laplace--Beltrami operator to the space of…
math.AP2026
Barta Theorem for the -Laplacian and Geometric Applications
Paulo Henryque C. Silva
In this article, we develop a Barta-type formulation for the -Laplacian on Riemannian manifolds, extending the approach of Cheung-Leung and Bessa-Montenegro from the linear to t…
math.DG2026
-Eigenvalue pinching sphere theorems
Paulo Henryque C. Silva
In this paper, we establish two -eigenvalue pinching sphere theorems, for the \( p \)-Laplacian, . The first result states that if the first non-zero -eigenvalue of a cl…