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Spinors on singular spaces and the topology of causal fermion systems

URN to cite this document:
urn:nbn:de:bvb:355-epub-297857
Finster, Felix ; Kamran, Niky
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Date of publication of this fulltext: 08 Apr 2014 09:31


Abstract

We propose causal fermion systems and Riemannian fermion systems as a framework for describing spinors on singular spaces. The underlying topological structures are introduced and analyzed. The connection to the spin condition in differential topology is worked out. The constructions are illustrated by many simple
examples like the Euclidean plane, the two-dimensional Minkowski space, a conical singularity, a lattice system as well as the curvature singularity of the Schwarzschild space-time.


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