An R-module is said to be unital if is a commutative ring with multiplicative identity and if for all elements .
Unital R-Module
See also
Category, Category Theory, Functor, Hom-Set, Morphism, Natural Transformation, Natural Isomorphism, Object, R-Module, Strict Tensor Category, Tensor R-Category, Unital Natural TransformationThis entry contributed by Christopher Stover
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References
Dummit, D. S. and Foote, R. M. Abstract Algebra, 3rd Edition. Hoboken, NJ: Wiley., 2003.Cite this as:
Stover, Christopher. "Unital R-Module." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/UnitalR-Module.html