Worked Problems in Physics

Nielsen and Chuang Exercise 2.30

Posted in Nielsen/Chuang by rpmuller on March 5, 2010

Exercise 2.30 Show that {A\otimes B} is Hermitian if {A,B} are Hermitian.

\displaystyle  (A\otimes B)^\dagger = (A^\dagger\otimes B^\dagger) = A\otimes B.

Thus {A\otimes B} is Hermitian.

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