Prove that $\displaystyle C_G(A)=\{g\in G:g^{-1}ag=a, \forall a\in A\}$

Is this just asking me to prove $\displaystyle g^{-1}ag$ iff ga = ag?

Printable View

- Oct 8th 2011, 12:10 PMdwsmithCentralizer
Prove that $\displaystyle C_G(A)=\{g\in G:g^{-1}ag=a, \forall a\in A\}$

Is this just asking me to prove $\displaystyle g^{-1}ag$ iff ga = ag? - Oct 8th 2011, 12:23 PMDrexel28Re: Centralizer