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math.GT2021
Around the combinatorial unit ball of measured foliations on bordered surfaces
Gaëtan Borot, Séverin Charbonnier, Vincent Delecroix +2
The volume of the unit ball -- with respect to the combinatorial length function -- of the space of measured foliations o…
math-ph2021
A new spin on Hurwitz theory and ELSV via theta characteristics
Alessandro Giacchetto, Reinier Kramer, Danilo Lewański
We study spin Hurwitz numbers, which count ramified covers of the Riemann sphere with a sign coming from a theta characteristic. These numbers are known to be related to Gromov-Wit…