Recent content by oobob

Greetings. I'm working on something that requires I read a large paper on quantum information theory and I was wondering if anyone could recommend some books that could help fill in my background. To be specific, I'm reading Keyl's Fundamentals of Quantum Information Theory paper. I have...

I've been working on a problem all day but I can't seem to go anywhere with it. I have to prove the following equation holds, in which P_A(t) refers to the characteristic polynomial of an n by n matrix A and is expressed in terms of t. Also, P_A_i(t) is the characteristic polynomial of the...