Bottom of spectra and coverings of orbifolds

2021/10/10 by Ballmann, Werner, Polymerakis, Panagiotis
#35P15 #53C20 #58J50 #Differential Geometry (math.DG) #FOS: Mathematics #Spectral Theory (math.SP)

paper · doi:10.48550/arxiv.2110.04712

Abstract

We discuss the behaviour of the bottom of the spectrum of scalar Schrödinger operators under Riemannian coverings of orbifolds. We apply our results to geometrically finite and to conformally compact orbifolds.

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