22 Nov
2012
22 Nov
'12
12:38 p.m.
On Thu, Nov 22, 2012 at 12:28 PM, Eugene Salamin <gene_salamin@yahoo.com> wrote:
But Hermitian matrices do not make a group. (AB)* = B* A* = BA, which need not equal AB.
You're right; I was thinking of Unitary matrices. The set of Hermtian matrices forms neither a group nor a compact set. So it's not obvious what, if anything, is a natural measure on them. Andy