The Jacobson Radical and Regular Modules
David J. Fieldhouse
Abstract
Open-access reader
David J. Fieldhouse
Abstract
Open-access reader
Let A be an associative, but not necessarily commutative, ring with identity, and J = J(A) its Jacobson radical. A (unital) module is regular iff every submodule is pure (see (1)). The regular socle R(M) of a module M is the sum of all its submodules which are regular. These concepts have been introduced and studied in (2).
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Let A be an associative, but not necessarily commutative, ring with identity, and J = J(A) its Jacobson radical. A (unital) module is regular iff every submodule is pure (see (1)). The regular socle R(M) of a module M is the sum of all its submodules which are regular. These concepts have been introduced and studied in (2).
Key concepts: Jacobson radical, Mathematics, Unital, Associative property, Commutative ring, Socle, Ring (chemistry), Identity (music)