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Let be a nil algebra over a field of characteristic 0, and let be a derivation of . Then the differential polynomial ring cannot be mapped onto a unital simple ring homomorphically.
Cite this article
Mikhail Chebotar, Wen-Fong Ke, On differential polynomial rings over nil algebras. Rev. Mat. Iberoam. 36 (2020), no. 5, pp. 1279–1288DOI 10.4171/RMI/1165