About: Simplicial group

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In mathematics, more precisely, in the theory of simplicial sets, a simplicial group is a simplicial object in the category of groups. Similarly, a simplicial abelian group is a simplicial object in the category of abelian groups. A simplicial group is a Kan complex (in particular, its homotopy groups make sense). The Dold–Kan correspondence says that a simplicial abelian group may be identified with a chain complex. In fact it can be shown thatany simplicial abelian group is non-canonically homotopy equivalent to a product of Eilenberg–MacLane spaces,

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  • In mathematics, more precisely, in the theory of simplicial sets, a simplicial group is a simplicial object in the category of groups. Similarly, a simplicial abelian group is a simplicial object in the category of abelian groups. A simplicial group is a Kan complex (in particular, its homotopy groups make sense). The Dold–Kan correspondence says that a simplicial abelian group may be identified with a chain complex. In fact it can be shown thatany simplicial abelian group is non-canonically homotopy equivalent to a product of Eilenberg–MacLane spaces, A commutative monoid in the category of simplicial abelian groups is a simplicial commutative ring. discusses a simplicial analogue of the fact that a cohomology class on a Kähler manifold has a unique harmonic representative and deduces Kirchhoff's circuit laws from these observations. (en)
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  • simplicial+group (en)
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  • simplicial group (en)
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  • In mathematics, more precisely, in the theory of simplicial sets, a simplicial group is a simplicial object in the category of groups. Similarly, a simplicial abelian group is a simplicial object in the category of abelian groups. A simplicial group is a Kan complex (in particular, its homotopy groups make sense). The Dold–Kan correspondence says that a simplicial abelian group may be identified with a chain complex. In fact it can be shown thatany simplicial abelian group is non-canonically homotopy equivalent to a product of Eilenberg–MacLane spaces, (en)
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  • Simplicial group (en)
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