Suppose that U is a unitary matrix with eigenvalue λ. Prove that λ has modulus 1,

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2022-05-28

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Suppose that U is a unitary matrix with eigenvalue λ. Prove that λ has modulus 1,

i.e.|λ |= 1. This says that all of the eigenvalues of a unitary matrix lie on the unit circle of the complex plane.

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