what means please a Polynomial Function from $R^n$ to $R^n$,i find this expression when i was seeing the proof of Brouwer fixed point (page 38 ,line 5) Thank you ,
2026-04-04 03:17:16.1775272636
Polynomial Function from $R^n$ to $R^n$
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Probabiy a polynomial in several variables for each coordinate, like $$ f(x,y) = (x^2y + 2y + 1, x + y^{13}) $$ mapping $\mathbb{R}^2$ to itself.
(The link you posted doesn't work for me so I can't check.)