Group with operators: Difference between revisions

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Purfideas (talk | contribs)
Category-theoretic remarks: remark that morphism in the category is a homomorphism and some clarification about M vs Omega
Purfideas (talk | contribs)
Examples: Ring example: see talk section for details on possible typo here
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== Examples ==
* Given any group ''G'', (''G'', ∅) is trivially a group with operators
* Given an ''R''-[[module (mathematics)|module]] ''M'', the group ''M'' operates on the operator ___domain ''R'' acts by [[scalar multiplication]]. Moreon concretelythe underlying Abelian group ''M'', everyso [[vector(''M'', space]]''R'') is a group with operators.
* As a special case of the above, every [[vector space]] over ''k'' is a group with operators (''V'', ''k'').
 
==Applications==