AbstractIn this paper we show that if A is an n×n (+1,−1)-matrix and if n = 2m−1 for some positive integer m, then per (A)≠0. This answers partially a question raised by E.T.H. Wang in [3]
AbstractLet Pnk be the maximum value achieved by the permanent over Λnk, the set of (0,1)-matrices o...
AbstractLet A be an n-square (0, 1)-matrix, let ri denote the i-th row sum of A, i=1, …, n, and let ...
AbstractWe determine the minimum number of 1s in an (irreducible) (0, 1) matrix of order n such that...
By calculating the permanents for all Hadamard matrices of orders up to and including 28 we answer a...
AbstractWe determine the minimum number of 1s in an (irreducible) (0, 1) matrix of order n such that...
AbstractIt is shown in an elementary way that if A and B are positive semidefinite matrices, then pe...
AbstractLet UR(α, β) denote the class of all square matrices with each entry equal to one of the non...
AbstractA recent conjecture of Caputo, Carlen, Lieb, and Loss, and, independently, of the author, st...
AbstractIf A is a matrix of order n×(n−2), n⩾3, denote by Ā the n×n matrix whose (i,j)th entry is ze...
In this paper the author proves some equalities about the permanent of matrices under some condition...
In this paper the author proves some equalities about the permanent of matrices under some condition...
AbstractIf A is a matrix of order n×(n−2), n⩾3, denote by Ā the n×n matrix whose (i,j)th entry is ze...
AbstractIf A is a doubly stochastic matrix, it is shown that under certain conditions, there exist i...
AbstractLet U(n, τ) be the set of all matrices of 0′s and 1′s of order n with exactly τ 0′s. We obta...
AbstractA recent conjecture of Caputo, Carlen, Lieb, and Loss, and, independently, of the author, st...
AbstractLet Pnk be the maximum value achieved by the permanent over Λnk, the set of (0,1)-matrices o...
AbstractLet A be an n-square (0, 1)-matrix, let ri denote the i-th row sum of A, i=1, …, n, and let ...
AbstractWe determine the minimum number of 1s in an (irreducible) (0, 1) matrix of order n such that...
By calculating the permanents for all Hadamard matrices of orders up to and including 28 we answer a...
AbstractWe determine the minimum number of 1s in an (irreducible) (0, 1) matrix of order n such that...
AbstractIt is shown in an elementary way that if A and B are positive semidefinite matrices, then pe...
AbstractLet UR(α, β) denote the class of all square matrices with each entry equal to one of the non...
AbstractA recent conjecture of Caputo, Carlen, Lieb, and Loss, and, independently, of the author, st...
AbstractIf A is a matrix of order n×(n−2), n⩾3, denote by Ā the n×n matrix whose (i,j)th entry is ze...
In this paper the author proves some equalities about the permanent of matrices under some condition...
In this paper the author proves some equalities about the permanent of matrices under some condition...
AbstractIf A is a matrix of order n×(n−2), n⩾3, denote by Ā the n×n matrix whose (i,j)th entry is ze...
AbstractIf A is a doubly stochastic matrix, it is shown that under certain conditions, there exist i...
AbstractLet U(n, τ) be the set of all matrices of 0′s and 1′s of order n with exactly τ 0′s. We obta...
AbstractA recent conjecture of Caputo, Carlen, Lieb, and Loss, and, independently, of the author, st...
AbstractLet Pnk be the maximum value achieved by the permanent over Λnk, the set of (0,1)-matrices o...
AbstractLet A be an n-square (0, 1)-matrix, let ri denote the i-th row sum of A, i=1, …, n, and let ...
AbstractWe determine the minimum number of 1s in an (irreducible) (0, 1) matrix of order n such that...