On the distribution of the entries of a fixed-rank random matrix over a finite field

被引:0
|
作者
Sanna, Carlo [1 ]
机构
[1] Politecn Torino, Dept Math Sci, Corso Duca Abruzzi 24, I-10129 Turin, Italy
关键词
Finite field; Hamming weight; Normal distribution; Random matrix; Rank;
D O I
10.1016/j.ffa.2023.102333
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let r > 0 be an integer, let F-q be a finite field of q elements, and let A be a nonempty proper subset of F-q. Moreover, let M be a random m x n rank-r matrix over F-q taken with uniform distribution. We prove, in a precise sense, that, as m, n -> + infinity and r, q, A are fixed, the number of entries of M that belong to A approaches a normal distribution.
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页数:15
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