Isomorphisms of Rings of Differential Operators on Curves

DOI10.1112/blms/23.2.133zbMath0752.16011OpenAlexW2080719911MaRDI QIDQ3988530

Patrick Perkins

Publication date: 28 June 1992

Published in: Bulletin of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/blms/23.2.133

zbMATH Keywords

birational mapring of differential operatorsring of regular functionsad-nilpotent elementscomplex affine curveinvariants of simple ringsnon-isomorphic curves with isomorphic rings of differential operators

Mathematics Subject Classification ID

Sheaves of differential operators and their modules, (D)-modules (32C38) Differentials and other special sheaves; D-modules; Bernstein-Sato ideals and polynomials (14F10) Commutative rings of differential operators and their modules (13N10) Rings of differential operators (associative algebraic aspects) (16S32) Simple and semisimple modules, primitive rings and ideals in associative algebras (16D60) Curves in algebraic geometry (14H99)

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ON THE ISOMORPHISM PROBLEM FOR RINGS OF DIFFERENTIAL OPERATORS OVER AFFINE CURVES

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