Perturbations of APS Boundary Conditions for Lorentzian Dirac Operators
Fuente:
arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866909859021062144 |
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| author | Ronge, Lennart |
| author_facet | Ronge, Lennart |
| contents | We study how far APS boundary conditions for a Lorentzian Dirac operator may be perturbed without destroying Fredholmness of the Dirac operator. This is done by developing criteria under which the perturbation of a compact pair of projections is a Fredholm pair. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_16696 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Perturbations of APS Boundary Conditions for Lorentzian Dirac Operators Ronge, Lennart Differential Geometry 58J20 (primary) 58J45, 58J32, 47A53 (secondary) We study how far APS boundary conditions for a Lorentzian Dirac operator may be perturbed without destroying Fredholmness of the Dirac operator. This is done by developing criteria under which the perturbation of a compact pair of projections is a Fredholm pair. |
| title | Perturbations of APS Boundary Conditions for Lorentzian Dirac Operators |
| topic | Differential Geometry 58J20 (primary) 58J45, 58J32, 47A53 (secondary) |
| url | https://arxiv.org/abs/2408.16696 |