depth (Q2801)

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invariant of rings and modules in algebra
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English
depth
invariant of rings and modules in algebra

    Statements

    subclass of
    invariant
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    defining formula
    depthI(M)=min⁡{i:Exti(R/I,M)≠0}
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    Identifiers

    Wikidata QID
    Q3406905
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    Freebase ID
    /m/02prpy1
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    stated in
    Freebase Data Dumps
    publication date
    28 October 2013
    Encyclopedia of Mathematics article ID
    Depth_of_a_module
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