Abstract
The Beltrami parametrization for Riemann surfaces has been recognized recently as a useful] tool for string theory quantization [1]. In this lecture I will report further results concerning this parametrization which have been obtained in collaboration with Marc Bellon. I will point out in particular the possibility of gauge fixing in a BRST invariant way the global zero modes occuring in string multiloop amplitudes via the ghost propagator [2] and a supersymmetric generalization of the Beltrami parametrization which is relevant for superstrings [3].
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references
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© 1988 Plenum Press, New York
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Baulieu, L. (1988). On the BRST Structure of the Closed String and Superstring Theory. In: ’t Hooft, G., Jaffe, A., Mack, G., Mitter, P.K., Stora, R. (eds) Nonperturbative Quantum Field Theory. Nato Science Series B:, vol 185. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-0729-7_16
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DOI: https://doi.org/10.1007/978-1-4613-0729-7_16
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