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In algebraic number theory, the conductor of a finite abelian extension of local or global fields provides a quantitative measure of the ramification in the extension. The definition of the conductor is related to the Artin map.

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  • In algebraic number theory, the conductor of a finite abelian extension of local or global fields provides a quantitative measure of the ramification in the extension. The definition of the conductor is related to the Artin map. (en)
  • En théorie algébrique des nombres, le conducteur d'une extension abélienne finie de corps locaux ou globaux fournit une mesure quantitative de la ramification dans l'extension. La définition du conducteur est liée à la réciprocité d'Artin. (fr)
  • 代数的整数論で、局所体や大域体の有限次アーベル拡大の導手(conductor)は、拡大の分岐を定量的に測るものである。導手の定義はアルティン写像に関連がある。 (ja)
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  • In algebraic number theory, the conductor of a finite abelian extension of local or global fields provides a quantitative measure of the ramification in the extension. The definition of the conductor is related to the Artin map. (en)
  • En théorie algébrique des nombres, le conducteur d'une extension abélienne finie de corps locaux ou globaux fournit une mesure quantitative de la ramification dans l'extension. La définition du conducteur est liée à la réciprocité d'Artin. (fr)
  • 代数的整数論で、局所体や大域体の有限次アーベル拡大の導手(conductor)は、拡大の分岐を定量的に測るものである。導手の定義はアルティン写像に関連がある。 (ja)
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  • Conductor (class field theory) (en)
  • Conducteur (théorie du corps de classes) (fr)
  • 導手 (ja)
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