
Re: can someone point me to the proof that
Posted:
Jul 21, 2013 6:48 PM


On Mon, 22 Jul 2013 00:40:51 +0200, Leon Aigret <aigret.not@myrealbox.invalid> wrote:
>On Sun, 21 Jul 2013 14:24:16 0700 (PDT), lax.clarke@gmail.com wrote: > >>can someone point me to the proof that polynomials over infinite fields can be uniquely mapped to polynomial functions >> >>i.e., no two polynomials are the same function over finite fields > >The difference of the polynomials would be a nontrivial polynomial >with infinitely many roots. Proving that a polynomial of degree n can >have at most n roots is not that hard.
Except for n = 0 of course.
Leon

