Explicit formulas for the fourth power mean of certain two-term exponential sums

Explicit formulas for the fourth power mean of certain two-term exponential sums

Xiaochuan Ai1,2, Jianhua Chen2, Hua Chen3, Silan Zhang1,4

COMPUTER MODELLING & NEW TECHNOLOGIES 2014 18(12A) 232-239

1School of Mathematics and Statistics, WuhanUniversity, Wuhan, 430072, Hubei, China

2School of Science, Navy University of Engineering, Wuhan, 430033, Hubei, China

3School of Science, Hubei University of Technology, Wuhan, 430068, Hubei, China

4College of Science, Huazhong Agricultural University, Wuhan 430070, Hubei, China

The aim of this paper is to obtain the explicit equations for the fourth power mean of generalized Kloosterman sums. Moreover, this paper also acquires the computational formulas for the fourth power mean of two-term exponential sums. This improves Calderon and Xu’sresults.