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19 April 2024
 
  » arxiv » math.NT/0507008

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Polynomial extension of Fleck's congruence
Zhi-Wei Sun ;
Date 1 Jul 2005
Subject Number Theory; Combinatorics MSC-class: 11B65; 05A10; 11A07; 11B68; 11S05 | math.NT math.CO
AbstractLet p be a prime, and let f(x) be an integer-valued polynomial. By a combinatorial approach, we obtain a nontrivial lower bound of the p-adic order of the sum $$sum_{k=r(mod p^{eta})}inom{n}{k}(-1)^k f([(k-r)/p^{alpha}]),$$ where $alphageetage 0$, $nge 0$ and $rin Z$. This polynomial extension of Fleck’s congruence has various backgrounds and several consequences.
Source arXiv, math.NT/0507008
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