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The well-posedness of the Cauchy problem for the Dirac operator on globally hyperbolic manifolds with timelike boundary

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arxiv 1806.06544 v5 pith:36SHKQB2 submitted 2018-06-18 math.DG math-phmath.APmath.MP

classification math.DGmath-phmath.APmath.MP
keywords boundaryhyperbolicproblemcauchyconditionsdiracgloballylocal
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We consider the Dirac operator on globally hyperbolic manifolds with timelike boundary and show well-posedness of the Cauchy initial-boundary value problem coupled to MIT-boundary conditions. This is achieved by transforming the problem locally into a symmetric positive hyperbolic system, proving existence and uniqueness of weak solutions and then using local methods developed by Lax, Phillips and Rauch, Massey to show smoothness of the solutions. Our proof actually works for a slightly more general class of local boundary conditions.

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  1. On Maxwell's Equations on Globally Hyperbolic Spacetimes with Timelike Boundary

    math-ph 2019-08 conditional novelty 6.0 of 10

    Maxwell k-form solution spaces and observable algebras are constructed on globally hyperbolic spacetimes with timelike boundary, under a partially proven assumption on the existence of Green operators.

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