Codes Associated with Orthogonal Groups and Power Moments of Kloosterman Sums
نویسنده
چکیده
Abstract In this paper, we construct three binary linear codes C(SO−(2, q)), C(O−(2, q)), C(SO−(4, q)), respectively associated with the orthogonal groups SO−(2, q), O−(2, q), SO−(4, q), with q powers of two. Then we obtain recursive formulas for the power moments of Kloosterman and 2-dimensional Kloosterman sums in terms of the frequencies of weights in the codes. This is done via Pless power moment identity and by utilizing the explicit expressions of Gauss sums for the orthogonal groups. We emphasize that, when the recursive formulas for the power moments of Kloosterman sums are compared, the present one is computationally more effective than the previous one constructed from the special linear group SL(2, q). We illustrate our results with some examples.
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ورودعنوان ژورنال:
- CoRR
دوره abs/0808.3003 شماره
صفحات -
تاریخ انتشار 2008