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Asymptotic flatness at null infinity in higher dimensional gravity

Thursday 17th November 2005 - 16:00 to 17:00
INI Seminar Room 1

We give a geometrical definition of the asymptotic flatness at null infinity in higher (even) dimensions within the framework of conformal infinity. We discuss the stability of our definition against perturbations to linear order. Then, we derive a higher (even) dimensional version of the Bondi-energy within the Hamiltonian framework. We discuss why our definitions and constructions do not work in odd spacetime dimensions.

Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons