Testing reducibility of linear differential operators: A group theoretic perspective

Free Rings and Their Relations.

David J. Fieldhouse, P. M. Cohn · American Mathematical Monthly · 1973 · 1.1K citations

Natural Sciences, Mathematics, Algebra +11

Theory of Non-Commutative Polynomials

Öystein Ore · Annals of Mathematics · 1933 · 801 citations

Natural Sciences, Mathematics, Physics +8

Pseudo-Linear Transformations

Nathan Jacobson · Annals of Mathematics · 1937 · 126 citations

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Galois Groups of Second and Third Order Linear Differential Equations

Michael F. Singer, Félix Ulmer · Journal of Symbolic Computation · 1993 · 114 citations

Natural Sciences, Mathematics, Differential Equations +11

On Solutions of Linear Ordinary Difference Equations in their Coefficient Field

Manuel Bronstein · Journal of Symbolic Computation · 2000 · 110 citations · Full text

Natural Sciences, Mathematics, Algebra +10