theorem for normal matrices

Theorem
Let $A$ be a square matrix. Then $A$ is normal matrix if and only if there is a polynomial $g$ such that $A^H=g(A)$.

Title	theorem for normal matrices
Canonical name	TheoremForNormalMatrices
Date of creation	2013-03-22 15:29:24
Last modified on	2013-03-22 15:29:24
Owner	georgiosl (7242)
Last modified by	georgiosl (7242)
Numerical id	7
Author	georgiosl (7242)
Entry type	Theorem
Classification	msc 15A21