2
$\begingroup$

Possible Duplicate:
Non-commuting matrices and nilpotence

For $A, B$ $n\times n$ complex matrices, does $(AB)^n=0$ imply $(BA)^n=0$

I had this "proof or counterexample question". Anyone has any ideas?

  • 1
    [This is a repeat](http://math.stackexchange.com/q/147730/742).2012-05-23

0 Answers 0