Poisson structures on the Teichmueller space of hyperbolic surfaces with conical points
Abstract
In this paper two Poisson structures on the moduli space of hyperbolic surfaces with conical points are compared: the Weil-Petersson one and the η coming from the representation variety. We show that they are multiple of each other, if the angles do not exceed 2π. Moreover, we exhibit an explicit formula for η in terms of hyperbolic lengths of a suitable system of arcs.
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