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Minimizing gauge-functional for 2-d gravity and string theory

Seminar Thursday, 14/03/2013 15:00

Speakers: Prof. Laurent Baulieu (CERN & Paris, LPTHE)
Place: Institute of Physics, Na Slovance 2, Prague 8 / Second floor - room 226
Presented in English
Organisers: Department of Particle Theory and Phenomenology

We show the existence of a minimizing procedure for selecting a unique representative on the orbit of any given Riemann surface that contributes to the string partition function. As it must, the procedure reduces the string path integral to a final integration over a particular fundamental domain, selected by the choice of the minimizing functional. This construction somehow demystifies the Gribov question.

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