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On the second weight of generalized Reed-Muller codes

机译:关于广义Reed-Muller码的第二权重

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摘要

Not much is known about the weight distribution of the generalized Reed-Muller code RM_q(s, m) when q > 2, s > 2 and m ≥ 2. Even the second weight is only known for values of 5 being smaller than or equal to q/2. In this paper we establish the second weight for values of s being smaller than q. For s greater than (m -1)(q -1) we then find the first s + 1- (m -1)(q - 1) weights. For the case m = 2 the second weight is now known for all values of s. The results are derived mainly by using Grobner basis theoretical methods.
机译:当q> 2,s> 2且m≥2时,对广义Reed-Muller码RM_q(s,m)的权重分布知之甚少。即使第二权重仅在5小于或等于5时才知道至q / 2。在本文中,我们为s的值小于q设置了第二个权重。对于大于(m -1)(q -1)的s,我们然后找到第一个s + 1-(m -1)(q-1)权重。对于m = 2的情况,现在已知所有s值的第二权重。主要通过使用Grobner基础理论方法得出结果。

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