Differential operators on classical invariant rings do not lift modulo \(p\)

DOI10.1016/j.aim.2023.109276arXiv2006.03029OpenAlexW3034134735MaRDI QIDQ6073601

Anurag K. Singh, Jack Jeffries

Publication date: 11 October 2023

Published in: Advances in Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2006.03029

zbMATH Keywords

rings of invariantsdifferential operatorslocal cohomologyinteger torsion

Mathematics Subject Classification ID

Differentials and other special sheaves; D-modules; Bernstein-Sato ideals and polynomials (14F10) Commutative rings of differential operators and their modules (13N10) Characteristic (p) methods (Frobenius endomorphism) and reduction to characteristic (p); tight closure (13A35)

Related Items (2)

Differential operators, retracts, and toric face rings ⋮ Homogeneous coordinate rings as direct summands of regular rings

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