English

The Dirac operator on generalized Taub-NUT spaces

Differential Geometry 2019-01-08 v2 Mathematical Physics math.MP

Abstract

We find sufficient conditions for the absence of harmonic L2L^2 spinors on spin manifolds constructed as cone bundles over a compact K\"ahler base. These conditions are fulfilled for certain perturbations of the Euclidean metric, and also for the generalized Taub-NUT metrics of Iwai-Katayama, thus proving a conjecture of Vi\csinescu and the second author.

Keywords

Cite

@article{arxiv.1003.5364,
  title  = {The Dirac operator on generalized Taub-NUT spaces},
  author = {Andrei Moroianu and Sergiu Moroianu},
  journal= {arXiv preprint arXiv:1003.5364},
  year   = {2019}
}

Comments

Final version, 16 pages

R2 v1 2026-06-21T15:03:31.829Z