Rigidity and Frobenius Structure

  • Richard Crew

    Department of Mathematics, 358 Little Hall, The University of Florida, Gainesville FL 32611, USA
Rigidity and Frobenius Structure cover
Download PDF

This article is published open access.


We show that an irreducible ordinary differential equation on the projective line has a Frobenius structure for a power of some prime pp if it is rigid in the sense of Katz and satisfies some other reasonable (and necessary) conditions relative to the prime pp.

Cite this article

Richard Crew, Rigidity and Frobenius Structure. Doc. Math. 22 (2017), pp. 287–296

DOI 10.4171/DM/566