Skip to main content
4 events
when toggle format what by license comment
Jul 12, 2010 at 4:07 vote accept Leo
Apr 22, 2010 at 14:30 comment added damiano Indeed, the "rank by principal minors" computes the multiplicity of 0 in the characteristic polynomial.
Apr 22, 2010 at 14:22 comment added Robin Chapman Nice, I think this will works for any matrix $M$ whose $0$-eigenspace is the same as the generalized $0$-eigenspace, that is the set of all vectors killed by a power of $M$.
Apr 22, 2010 at 14:06 history answered damiano CC BY-SA 2.5