Tropical theta characteristics

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This note is a follow up of math.AG/0612267v2 and it is largely inspired by a beautiful description of Baker-Norine of non-effective degree (g-1) divisors via chip-firing game. We consider the set of all theta characteristics on a tropical curve and identify the Riemann constant as a unique non-effective one among them.
4 pages, still an addendum to math.AG/0612267v2, exposition improved, description of positive theta added

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Algebraic Geometry, Combinatorics

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http://salesiana.dossiersoluciones.com/handle/123456789/220080

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.3205
 http://arxiv.org/abs/0712.3205

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arXiv