If $A$ is any matrix $n\times n$ with non negative entries, then $A$ has a non negative eigenvalue.
I know that I have to use the Brower Point fix theorem, but I am not finding the function for that. Could any one help me?
Thanks!
2026-04-28 21:45:52.1777412752
Every real matrix with non-negative entries has a non negative eigenvalue
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