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Two-weight and three-weight linear codes based on Weil sums
Institution:1. Key Laboratory of Machine Perception(MOE), School of EECS, Peking University, Beijing 100871, PR China;2. LMAM, School of Mathematical Sciences, Peking University, Beijing 100871, PR China
Abstract:Linear codes with few weights have applications in secret sharing, authentication codes, association schemes and strongly regular graphs. In this paper, several classes of two-weight and three-weight linear codes are presented and their weight distributions are determined using Weil sums. Some of the linear codes obtained are optimal or almost optimal with respect to the Griesmer bound.
Keywords:Linear codes  Weight distribution  Weil sums
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