Factorization formulae on counting zeros of diagonal equations over finite fields |
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Authors: | Wei Cao Qi Sun |
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Institution: | Mathematical College, Sichuan University, Chengdu 610064, People's Republic of China ; Mathematical College, Sichuan University, Chengdu 610064, People's Republic of China |
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Abstract: | Let be the number of solutions of the equation over the finite field , and let be the number of solutions of the equation . If , let be the least integer represented by . and play important roles in estimating . Based on a partition of , we obtain the factorizations of and , respectively. All these factorizations can simplify the corresponding calculations in most cases or give the explicit formulae for in some special cases. |
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Keywords: | Jacobi sum Gauss sum diagonal equation finite fields |
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