Support of a module

In commutative algebra, the support of a module M over a commutative ring A is the set of all prime ideals \mathfrak{p} of A such that M_\mathfrak{p} \ne 0.[1] It is denoted by \operatorname{Supp}(M). In particular, M = 0 if and only if its support is empty.

See also

References

  1. EGA 0I, 1.7.1.
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