2019
DOI: 10.48550/arxiv.1903.02064
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Construction of initial data sets for Lorentzian manifolds with lightlike parallel spinors

Bernd Ammann,
Klaus Kroencke,
Olaf Müller

Abstract: Lorentzian manifolds with parallel spinors are important objects of study in several branches of geometry, analysis and mathematical physics. Their Cauchy problem has recently been discussed by Baum, Leistner and Lischewski, who proved that the problem locally has a unique solution up to diffeomorphisms, provided that the intial data given on a space-like hypersurface satisfy some constraint equations. In this article we provide a method to solve these constraint equations. In particular, any curve (resp. clos… Show more

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Cited by 1 publication
(4 citation statements)
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“…The constraint equations. Using Lemma 2.6 together with the resolution of the initial value problem for a parallel null spinor presented in [5,33,35], see also [1,6], we obtain the following characterization of parallel spinors on globally hyperbolic Lorentzian four-manifolds. Proposition 2.9.…”
Section: ) and (25)mentioning
confidence: 98%
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“…The constraint equations. Using Lemma 2.6 together with the resolution of the initial value problem for a parallel null spinor presented in [5,33,35], see also [1,6], we obtain the following characterization of parallel spinors on globally hyperbolic Lorentzian four-manifolds. Proposition 2.9.…”
Section: ) and (25)mentioning
confidence: 98%
“…Existence of such S g is obstructed. The obstruction was shown in [31,32] to be equivalent to the existence of a spin structure Q g , in which case S g can be considered to be a vector bundle associated to Q g through the tautological representation induced by the natural embedding Spin + (3, 1) ⊂ Cl (3,1), where Spin + (3, 1) denotes the connected component of the identity of the spin group in signature (3, 1) = − + + + and Cl(3, 1) denotes the real Clifford algebra in signature (3,1). We will assume, without loss of generality, that (M, g) is spin and equipped with a fixed spin structure Q g .…”
Section: Parallel Real Spinors On Lorentzian Four-manifoldsmentioning
confidence: 99%
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