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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


Operators with nilpotent $ p$-curvature

Author: Hans Schmitt
Journal: Proc. Amer. Math. Soc. 119 (1993), 701-710
MSC: Primary 12H05; Secondary 14M10, 34A99
MathSciNet review: 1158007
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Abstract: This article studies the variety of nilpotent $ p$-curvature of linear differential operators on the sphere with $ m + 1$ singularities. We shall show that for a given set of exponents $ \in {{\mathbf{F}}_p}$ satisfying Fuchs's relation the associated variety of nilpotent $ p$-curvature is a nonempty complete intersection of dimension, essentially, $ m - 2$. The subject has previously been studied by Katz, Honda, and Dwork.

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Additional Information

PII: S 0002-9939(1993)1158007-1
Keywords: Nilpotent $ p$-curvature, linear differential operators, moduli space
Article copyright: © Copyright 1993 American Mathematical Society

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