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.
and
3) If A is unitary and involutory, then A is hermitian.
Thanks for any help.....
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.
and
3) If A is unitary and involutory, then A is hermitian.
Thanks for any help.....