I need to prove three things:
1) If A is hermitian and unitary, then A is involutory.
2) If A is hermitian and involutory, then A is unitary.
3) If A is unitary and involutory, then A is hermitian.
Thanks for any help.....
Last edited by be more; Nov 9th 2009 at 11:27 AM.
Follow Math Help Forum on Facebook and Google+
View Tag Cloud