Abstract
We define a measure over C 1 loops and give integration by parts formulas. We give different Hilbert structures over the tangent space of a loop such that the energy functional belongs to all the Sobolev spaces. We modify a little bit the measure in order that this measure is invariant under time reversal. We introduce a connection which is invariant under time reversal. This allows us to construct the Wess-Zumino-Witten supercharge and the Wess-Zumino-Witten laplacian which are associated to the energy functional.
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Léandre, R. (1999). Stochastic Wess-Zumino-Witten Model for the Measure of Kontsevitch. In: Dalang, R.C., Dozzi, M., Russo, F. (eds) Seminar on Stochastic Analysis, Random Fields and Applications. Progress in Probability, vol 45. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-8681-9_15
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DOI: https://doi.org/10.1007/978-3-0348-8681-9_15
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