Echelons of power series and Gabrielov's counterexample to nested linear Artin approximation

Autor: Maria Emilia Alonso, F.J. Castro-Jiménez, Christoph Koutschan, Herwig Hauser
Rok vydání: 2018
Předmět:
Zdroj: Bulletin of the London Mathematical Society. 50:649-662
ISSN: 0024-6093
DOI: 10.1112/blms.12162
Popis: Gabrielov's famous example for the failure of analytic Artin approximation in the presence of nested subring conditions is shown to be due to a growth phenomenon in standard basis computations for echelons, a generalization of the concept of ideals in power series rings.
Databáze: OpenAIRE