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Constrained systems: Dirac and post-Dirac quantisation

Louko, J (Nottingham)
Tuesday 01 November 2005, 16:00-17:00

Seminar Room 1, Newton Institute


I will first review Dirac's procedure of quantising (first class) constrained systems, discussing the mathematical structure that a quantisation should provide. I will then specialise to systems whose gauge group is a Lie group and address group averaging as a method of implementing the quantisation. The case of a noncompact gauge group, and the open questions therein, will be emphasised in view of its relevance for quantum gravity.


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