no. 2
Solving power series equations. II. Change of ground field
Annales de l'Institut Fourier, Tome 29 (1979) no. 2, pp. 1-23.

Nous étudions l’effet du changement du corps de base sur les propriétés topologiques des homomorphismes d’algèbres analytiques (quotient d’anneaux de séries convergentes). Bien que l’injectivité ne soit pas conservée, la propriété pour un homomorphisme d’être ouvert ou fermé est conservée dans la topologie de Krull, ainsi que dans les topologies simple et inductive.

We study the effect of changing the residue field, on the topological properties of local algebra homomorphisms of analytic algebras (quotients of convergent power series rings). Although injectivity is not preserved, openness and closedness in the Krull topology, simple topology, and inductive topology is preserved.

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     title = {Solving power series equations. {II.} {Change} of ground field},
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Becker, Joseph. Solving power series equations. II. Change of ground field. Annales de l'Institut Fourier, Tome 29 (1979) no. 2, pp. 1-23. doi : 10.5802/aif.742. https://aif.centre-mersenne.org/articles/10.5802/aif.742/

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