Suppose function $f$ is $k$-homogeneous function defined on the set of $r\times r$ complex matrices with $f(gAg^{-1})=f(A)$, where $g\in GL(r,\mathbb{C})$. Then why is $f$ a polynomial?
2026-03-25 01:14:11.1774401251
Why is this homogeneous function a polynomial?
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