FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2010, VOLUME 16, NUMBER 7, PAGES 221-236

$E$-solvable modules

A. R. Chekhlov

Abstract

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$E$-nilpotent and $E$-solvable modules have been defined. Some properties of such modules have been proved. For instance, all direct summands of an $E$-nilpotent module are fully invariant, and the $E$-commutant of an $E$-solvable module is contained in the intersection of all maximal commutatorically invariant submodules. Necessary and sufficient conditions under which a finite length module is $E$-solvable have been found.

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