Recent content by alphaneutrino

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    Projector Operator: P^2, Eigenvalues & Eigenfunctions

    Thank you Compuchip! I am asking about P. Yes, I know that P^2|x> = |x> which is not equal to p|x>. So it is not projection operator. My next confusion is can I write |-x> = -|x> ? How can we calculate the eigen value and eigen function of P
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    Projector Operator: P^2, Eigenvalues & Eigenfunctions

    An Operator is defined as P|x> = |-x>, 1. Is P^2 a Projector operator? 2. What are the eigen value and eigen function of P?
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    How can I show that trace is Invariant under the change of basis?

    thanks CompuChip
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    How can I show that trace is Invariant under the change of basis?

    How can I show that trace is Invariant under the change of basis?