Last Updated：2025/11/29
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When studying modules, a forgetful functor from the category of modules to the category of abelian groups often overlooks the additional scalar multiplication structure.
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When studying modules, a forgetful functor from the category of modules to the category of abelian groups often overlooks the additional scalar multiplication structure.
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Related words
forgetful functor
Noun
Japanese Meaning
圏論における『forgetful functor』は、入力の構造や性質の一部またはすべてを無視（削除）して、出力へ写す（写像する）ファンクターを指します。
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