Difference between revisions of "Cyclic module"
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over a [[ring]] <math>R</math>) is a [[module]] that is generated by a single | over a [[ring]] <math>R</math>) is a [[module]] that is generated by a single | ||
element—the analogue of a [[cyclic group]] for modules. | element—the analogue of a [[cyclic group]] for modules. | ||
+ | |||
+ | In a left <math>R</math>-module <math>M</math>, the cyclic [[submodule]] generated by an element | ||
+ | <math>\alpha</math> is often denoted <math>\langle \alpha \rangle</math>. | ||
Every cyclic left <math>R</math>-module is [[isomorphic]] to a quotient module of the | Every cyclic left <math>R</math>-module is [[isomorphic]] to a quotient module of the |
Latest revision as of 15:09, 17 August 2009
A cyclic module (or more specifically, a cyclic left -module over a ring ) is a module that is generated by a single element—the analogue of a cyclic group for modules.
In a left -module , the cyclic submodule generated by an element is often denoted .
Every cyclic left -module is isomorphic to a quotient module of the left-regular module over (that is, a quotient module of as a left -module).
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