 Principal indecomposable module (source code)

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= Principal indecomposable module
{wiki=Principal_indecomposable_module}

In the context of module theory, a branch of abstract algebra, a **principal indecomposable module** refers to a structure that arises in the study of modules over rings. \#\#\# Definitions: 1. **Module**: A module over a ring \\( R \\) is a generalization of the notion of a vector space where the scalars come from a ring instead of a field.

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