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math.AG2000
On the Hitchin morphism in positive characteristic
Yves Laszlo, Christian Pauly
Let X be a smooth projective curve over a field of characteristic p>0. We show that the Hitchin morphism, which associates to a Higgs bundle its characteristic polynomial, has a no…
math.AG2000
The action of the Frobenius map on rank 2 vector bundles in characteristic 2
Yves Laszlo, Christian Pauly
Let be an ordinary smooth curve defined over an algebraically closed field of characteristic 2. The absolute Frobenius induces a rational map on the moduli space of r…