Congruences for Brewer sums
Finite Fields and their Applications , Volume 13 - Issue 1 p. 1- 19
We prove congruences modulo 4 and modulo 8 for certain polynomial character sums, and use these congruences to give conditions for the nonvanishing of Brewer sums.
|Keywords||Brewer sums, Character sums, Dickson polynomials, Factorization of polynomials, Finite fields, Gauss sums, Jacobsthal sums, Special polynomials|
|Journal||Finite Fields and their Applications|
Alaca, S. (2007). Congruences for Brewer sums. Finite Fields and their Applications, 13(1), 1–19. doi:10.1016/j.ffa.2005.06.002