Geodesic
Differential Completions and Differentially Simple Algebras
Canadian mathematical bulletin, Tome 32 (1989) no. 3, pp. 314-319

Voir la notice de l'article provenant de la source Cambridge University Press

Differentially simple local noetherian Q -algebras are shown to be always (a certain type of) subrings of formal power series rings. The result is established as an illustration of a general theory of differential filtrations and differential completions. 
Seibt, Peter. Differential Completions and Differentially Simple Algebras. Canadian mathematical bulletin, Tome 32 (1989) no. 3, pp. 314-319. doi: 10.4153/CMB-1989-045-7
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