AbstractThe main result describes the pairs (A,B) of matrices which satisfy d(AXB) d(X), where d(·) is a Schur function. We also study the semigroup of matrices A satisfying d(AX)d(XA)
AbstractIt is shown that if a nonsingular linear transformation T on the space of n-square real symm...
AbstractWe characterize the linear transformations on matrices that preserve the immanants, i.e., dχ...
AbstractThe notion of skew primeness introduced by Wolovich in the context of polynomial matrices is...
AbstractThe main result describes the pairs (A,B) of matrices which satisfy d(AXB) d(X), where d(·)...
AbstractLet F be an arbitrary field, H be a subgroup of the symmetric group of degree m, Sm, λ be an...
AbstractLet Mn be the vector space of the n × n matrices over the field F. Let H be a subgroup of th...
AbstractIf H is a subgroup of the symmetric group of degree n and χ is a complex character on H of d...
AbstractLet G be a subgroup of the full symmetric group Sn, and χ a character of G. A ∗-matrix can b...
AbstractIn this paper we discuss various properties of matrices of the type S=H−GE−1F, which we call...
AbstractA scalar valued function d of the m-square matrices is defined. It depends on a subgroup G o...
AbstractThis paper investigates the structure of the H-classes in the semigroup Nn of nonnegative ma...
AbstractFor each Schur function, or generalized matrix function, corresponding to a linear character...
AbstractIf Ak =(akij), k=1,2,…,n, are n×n positive semidefinite matrices and if α:Sn→C, where Sn is ...
AbstractLet χ be a character on the symmetric group Sn, and let A = (aij) be an n-by-n matrix. The f...
International audienceWe show that a pair of matrices satisfying a certain algebraic identity, remin...
AbstractIt is shown that if a nonsingular linear transformation T on the space of n-square real symm...
AbstractWe characterize the linear transformations on matrices that preserve the immanants, i.e., dχ...
AbstractThe notion of skew primeness introduced by Wolovich in the context of polynomial matrices is...
AbstractThe main result describes the pairs (A,B) of matrices which satisfy d(AXB) d(X), where d(·)...
AbstractLet F be an arbitrary field, H be a subgroup of the symmetric group of degree m, Sm, λ be an...
AbstractLet Mn be the vector space of the n × n matrices over the field F. Let H be a subgroup of th...
AbstractIf H is a subgroup of the symmetric group of degree n and χ is a complex character on H of d...
AbstractLet G be a subgroup of the full symmetric group Sn, and χ a character of G. A ∗-matrix can b...
AbstractIn this paper we discuss various properties of matrices of the type S=H−GE−1F, which we call...
AbstractA scalar valued function d of the m-square matrices is defined. It depends on a subgroup G o...
AbstractThis paper investigates the structure of the H-classes in the semigroup Nn of nonnegative ma...
AbstractFor each Schur function, or generalized matrix function, corresponding to a linear character...
AbstractIf Ak =(akij), k=1,2,…,n, are n×n positive semidefinite matrices and if α:Sn→C, where Sn is ...
AbstractLet χ be a character on the symmetric group Sn, and let A = (aij) be an n-by-n matrix. The f...
International audienceWe show that a pair of matrices satisfying a certain algebraic identity, remin...
AbstractIt is shown that if a nonsingular linear transformation T on the space of n-square real symm...
AbstractWe characterize the linear transformations on matrices that preserve the immanants, i.e., dχ...
AbstractThe notion of skew primeness introduced by Wolovich in the context of polynomial matrices is...