76 citations · 382 across the 37 of their papers we have counts for
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math.CA2010★ 4 cited
A Jordan-Hoelder Theorem for Differential Algebraic Groups
Phyllis J. Cassidy, Michael F. Singer
We show that a differential algebraic group can be filtered by a finite subnormal series of differential algebraic groups such that successive quotients are almost simple, that is…
math.CA2010
Projective Isomonodromy and Galois Groups
Claude Mitschi, Michael F. Singer
In this article we introduce the notion of projective isomonodromy, which is a special type of monodromy evolving deformation of linear differential equations, based on the example…