MathDB

IMC 2017 Problem 1

Source:

August 2, 2017

linear algebramatrixIMCimc 2017

Problem Statement

Determine all complex numbers

\lambda

for which there exists a positive integer

n

and a real

n\times n

matrix

A

such that

A^2=A^T

and

\lambda

is an eigenvalue of

A

.

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