The Allegretto-Piepenbrink Theorem for strongly local forms

Abstract

The existence of positive weak solutions is related to spectral information on the corresponding partial differential operator.

References in corpus (2)

• PT-Symmetric Quantum Mechanics
• Lower bounds on the lowest spectral gap of singular potential Hamiltonians

Cited by in corpus (1)

• Essential self-adjointness, generalized eigenforms, and spectra for the $\bar{\partial }$-Neumann problem on $G$-manifolds