Category:Modules

From Queer Beagle Wiki
Revision as of 22:08, 8 March 2023 by Kfagerstrom (talk | contribs) (Created page with "Let <math>R</math> be a ring with <math>1\neq0</math>. A ''Left'' <math>R</math>-mod is an abelian group <math>(M,+)</math> together with an action of <math>R</math> on <mat...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Let \(R\) be a ring with \(1\neq0\).

A Left \(R\)-mod is an abelian group \((M,+)\) together with an action of \(R\) on \(M\), \(R\times M \to M\), such that for all \(r,s\in R\), \(m,n\in M\):

  • \((r+s)m=rm+sm\)
  • \((rs)m=r(sm)\)
  • \(r(m+n)=rm+rn\)
  • \(1\cdot m=m\)

Pages in category "Modules"

The following 2 pages are in this category, out of 2 total.