Geodesic
Rigidity and Frobenius Structure
Documenta mathematica, Tome 22 (2017), pp. 287-296.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

We show that an irreducible ordinary differential equation on the projective line has a Frobenius structure for a power of some prime $p$ if it is rigid in the sense of Katz and satisfies some other reasonable (and necessary) conditions relative to the prime $p$.
Classification : 14F30, 12H25
Keywords: $p$-adic differential equations, overconvergent isocrystals, rigidity 
@article{DOCMA_2017__22__a43,
     author = {Crew, Richard},
     title = {Rigidity and {Frobenius} {Structure}},
     journal = {Documenta mathematica},
     pages = {287--296},
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     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2017__22__a43/}
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Crew, Richard. Rigidity and Frobenius Structure. Documenta mathematica, Tome 22 (2017), pp. 287-296. http://geodesic.mathdoc.fr/item/DOCMA_2017__22__a43/