Ballmann, Werner Max Planck Institute for Mathematics, Max Planck Society;
Polymerakis, Panagiotis Max Planck Institute for Mathematics, Max Planck Society;
https://dx.doi.org/10.4310/SDG.2018.v23.n1.a1 (Verlagsversion)
https://doi.org/10.48550/arXiv.1911.04371 (Preprint)
Ballmann, W., & Polymerakis, P. (2020). Bottom of spectra and coverings. In H.-D. Cao, & S.-T. Yau (Eds.), Differential geometry, Calabi-Yau theory, and general relativity. Boston: International Press.