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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Maths HEP Lunchtime Seminars: Linear fields in AdS spacetimes: boundary conditions and quasinormal modes

Presented by Claude Warnick, Warwick

29 November 2013 13:00 in CM221

Asymptotically anti-de Sitter spacetimes have been intensively studied over the last 15 years as a consequence of the conjectured correspondence between gravitational theories in such spacetimes and quantum theories living on their boundaries. Despite this intensive study, there are still many interesting open questions regarding classical gravitation in spaces with negative cosmological constant. It is still unknown, for example, whether the global anti-de Sitter spacetime is dynamically stable. I will talk about recent work on solvability of linear field equations in arbitrary asymptotically anti-de Sitter backgrounds, with no symmetry assumed. I will also discuss the case of stationary black holes and present a recent result showing the discreteness and incompleteness of the quasinormal modes for stationary, asymptotically anti-de Sitter, black holes

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