Eigenvalue inequalities for the p-Laplacian on a Riemannian manifold and estimates for the heat kernel

TL;DR

This paper extends eigenvalue comparison theorems for the p-Laplacian on Riemannian manifolds and derives heat kernel estimates, providing new tools for analyzing eigenvalues and heat distribution under curvature constraints.

Contribution

It generalizes eigenvalue comparison theorems for the p-Laplacian and applies these results to estimate heat kernels on manifolds with curvature bounds.

Findings

Generalized eigenvalue comparison theorem for the p-Laplacian.

Derived bounds for heat kernels on manifolds with curvature constraints.

Provided new methods for eigenvalue and heat kernel estimates.

Abstract

In this paper, we successfully generalize the eigenvalue comparison theorem for the Dirichlet $p$-Laplacian ($1<p<\infty$) obtained by Matei [A.-M. Matei, First eigenvalue for the $p$-Laplace operator, Nonlinear Anal. TMA 39 (8) (2000) 1051--1068] and Takeuchi [H. Takeuchi, On the first eigenvalue of the $p$-Laplacian in a Riemannian manifold, Tokyo J. Math. 21 (1998) 135--140], respectively. Moreover, we use this generalized eigenvalue comparison theorem to get estimates for the first eigenvalue of the Dirichlet $p$-Laplacian of geodesic balls on complete Riemannian manifolds with radial Ricci curvature bounded from below w.r.t. some point. In the rest of this paper, we derive an upper and lower bound for the heat kernel of geodesic balls of complete manifolds with specified curvature constraints, which can supply new ways to prove the most part of two generalized eigenvalue comparison results given by Freitas, Mao and Salavessa in [P. Freitas, J. Mao and I. Salavessa, Spherical symmetrization and the first eigenvalue of geodesic disks on manifolds, submitted (2012)].