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Ternary Kloosterman sums using Stickelberger's theorem and the Gross-Koblitz formula (1006.1802v1)
Published 9 Jun 2010 in math.NT
Abstract: We give results characterising ternary Kloosterman sums modulo 9 and 27. This leads to a complete characterisation of values that ternary Kloosterman sums assume modulo 18 and 54. The proofs uses Stickelberger's theorem, the Gross-Koblitz formula and Fourier analysis.