arXiv:1103.0170 [math.CA]AbstractReferencesReviewsResources
Linear differential equations and Hurwitz series
William F. Keigher, V. Ravi Srinivasan
Published 2011-03-01Version 1
In this article, we study the set of all solutions of linear differential equations using Hurwitz series. We first obtain explicit recursive expressions for solutions of such equations and study the group of differential automorphisms of the set of all solutions. Moreover, we give explicit formulas that compute the group of differential automorphisms. We require neither that the underlying field be algebraically closed nor that the characteristic of the field be zero.
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