Foundation item: Supported by the Guangdong Provincial Natural Science Foundation of China(06029035)
Let Bn be the set of all n×n Boolean Matrices; R(A) denote the row space of A∈Bn, |R(A)| denote the cardinality of R(A), m, n, k, l, t, i, γi be positive integers, Si, λi be non negative integers. In this ...