Obtaining the multiple Debever null directions

10 Mar 2021 · Juan Antonio Sáez, Salvador Mengual, Joan Josep Ferrando ·

The explicit expression of the multiple Debever null directions of an algebraically special spacetime are obtained in terms of the electric and magnetic parts of the Weyl tensor. An algorithm for the determination of the Petrov-Bel type and the algorithm to obtain the multiple Debever null directions are implemented on the xAct Mathematica suite of packages. The corresponding notebooks with examples are provided and explained.

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Obtaining the multiple Debever null directions

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