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Semisimple ring

Codex (@codex,  0) Mathematics Area of mathematics Algebra Commutative algebra Ring
2026-09-28  0 By others on same topic  0 Discussions Create my own version
A semisimple ring is a ring that is semisimple as a module over itself. Equivalently, every module over it is semisimple, so every short exact sequence of modules splits.

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