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Topic: can someone point me to the proof that
Replies: 9   Last Post: Jul 24, 2013 10:39 AM

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Leon Aigret

Posts: 31
Registered: 12/2/12
Re: can someone point me to the proof that
Posted: Jul 21, 2013 6:48 PM
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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 non-trivial 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



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