I give a sufficient condition for the action of a group on an algebraic curve defined over (Q) over bar in order that a good reduction of the curve to positive characteristic be a supersingular curve. I apply such criterion to abelian coverings of P(1) ramified over three points.

Supersingularity from group actions

Re, Riccardo
2008-01-01

Abstract

I give a sufficient condition for the action of a group on an algebraic curve defined over (Q) over bar in order that a good reduction of the curve to positive characteristic be a supersingular curve. I apply such criterion to abelian coverings of P(1) ramified over three points.
2008
http://www3.interscience.wiley.com/cgi-bin/fulltext/117930712/PDFSTART
Automorphisms; Group representations; Supersingular curves; Mathematics (all)
Re, Riccardo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11383/2067709
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