Communications in Analysis and Geometry

Volume 11 (2003)

Number 4

The Dirac-Witten Operator on Spacelike Hypersurfaces

Pages: 737 – 750



Oussama Hijazi

Xiao Zhang


We establish optimal lower bounds for the eigenvalues of the Dirac- Witten operator of compact (with or without boundary) spacelike hypersurfaces of a Lorentzian manifold, whose metric satisfies the Einstein field equations and whose energy momentum-tensor satisfies the dominant energy condition.

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