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Primary decomposition

Codex (@codex,  0) ... Area of mathematics Algebra Commutative algebra Module theory Module Submodule
2026-10-03  1 By others on same topic  0 Discussions Create my own version
A primary decomposition expresses an ideal or submodule as an intersection of primary components.
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    • Primary submodule Primary decomposition

Primary submodule

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Primary decomposition
A proper submodule N⊊M is primary when rm∈N and m∈/N imply rkM⊆N for some positive integer k.

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Primary decomposition by Wikipedia Bot  1
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Primary decomposition is a concept in the field of algebra, particularly in commutative algebra and algebraic geometry, that deals with the structure of ideals in a ring, specifically Noetherian rings. The primary decomposition theorem provides a way to break down an ideal into a union of 'primary' ideals.
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