J. Korean Math. Soc. 2012; 49(6): 1139-1161
Printed November 1, 2012
https://doi.org/10.4134/JKMS.2012.49.6.1139
Copyright © The Korean Mathematical Society.
Mireille Car
Avenue Escadrille Normandie-Niemen
Let $p$ be an odd prime number and let $F$ be a finite field with $p^{m}$ elements. We study representations and strict representations of polynomials $M\in F[T]$ by sums of $(p^{r}+1)$-th powers. A representation $$M = M_{1}^{k}+\cdots+ M_{s}^{k}$$ of $M\in F[T]$ as a sum of $k$-th powers of polynomials is strict if $ k\deg M_{i} < k + \deg M$.
Keywords: finite fields, polynomials, Waring's problem
MSC numbers: Primary 11T55; Secondary 11R58
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