DOIAbstract
AbstractIt is shown that for each n ⩾ 7 there exists an n × n, irreducible, doubly stochastic matrix A such that the permanent of the characteristic matrix of A has n real zeros
AbstractIt is shown that for each n ⩾ 7 there exists an n × n, irreducible, doubly stochastic matrix A such that the permanent of the characteristic matrix of A has n real zeros
Doubly stochastic and generalized doubly stochastic matrices with prescribed zero patterns and the m...
AbstractIf A is a doubly stochastic matrix, it is shown that under certain conditions, there exist i...
AbstractIf A and B are n × n doubly stochastic matrices such that per[rA + (1 − r)B] = per A for all...
AbstractIt is shown that for each n ⩾ 7 there exists an n × n, irreducible, doubly stochastic matrix...
AbstractA conjecture on the permanents of doubly stochastic matrices is proposed. Some results suppo...
AbstractBrualdi's conjecture on the minimum permanent in the set of doubly stochastic n × n matrices...
AbstractFor positive integers r, n with n⩾r+1, letDr,n=OrJJIn,where Js denote the matrices of 1s of ...
AbstractFor n ⩾ 6, we determine the minimum permanents and minimizing matrices on the faces of Ω3 + ...
AbstractIt is shown that the set Ωn(Zk) of n × n doubly stochastic matrices with prescribed zeros in...
AbstractWe consider the minimum permanents and minimising matrices on the faces of the polytope of d...
AbstractA subpolytope Γ of the polytope Ωn of all n×n nonnegative doubly stochastic matrices is said...
AbstractWe determine the minimum permanents and minimizing matrices on the faces of Ωn+2 for the ful...
AbstractWe determine the minimum permanent on generalized Hessenberg faces of the polytope of doubly...
AbstractLet A be a minimizing matrix for the permanent over the face of Ωn determined by a fully ind...
In Markov chain models in finance and healthcare a transition matrix over a certain time interval is...
Doubly stochastic and generalized doubly stochastic matrices with prescribed zero patterns and the m...
AbstractIf A is a doubly stochastic matrix, it is shown that under certain conditions, there exist i...
AbstractIf A and B are n × n doubly stochastic matrices such that per[rA + (1 − r)B] = per A for all...
AbstractIt is shown that for each n ⩾ 7 there exists an n × n, irreducible, doubly stochastic matrix...
AbstractA conjecture on the permanents of doubly stochastic matrices is proposed. Some results suppo...
AbstractBrualdi's conjecture on the minimum permanent in the set of doubly stochastic n × n matrices...
AbstractFor positive integers r, n with n⩾r+1, letDr,n=OrJJIn,where Js denote the matrices of 1s of ...
AbstractFor n ⩾ 6, we determine the minimum permanents and minimizing matrices on the faces of Ω3 + ...
AbstractIt is shown that the set Ωn(Zk) of n × n doubly stochastic matrices with prescribed zeros in...
AbstractWe consider the minimum permanents and minimising matrices on the faces of the polytope of d...
AbstractA subpolytope Γ of the polytope Ωn of all n×n nonnegative doubly stochastic matrices is said...
AbstractWe determine the minimum permanents and minimizing matrices on the faces of Ωn+2 for the ful...
AbstractWe determine the minimum permanent on generalized Hessenberg faces of the polytope of doubly...
AbstractLet A be a minimizing matrix for the permanent over the face of Ωn determined by a fully ind...
In Markov chain models in finance and healthcare a transition matrix over a certain time interval is...
Doubly stochastic and generalized doubly stochastic matrices with prescribed zero patterns and the m...
AbstractIf A is a doubly stochastic matrix, it is shown that under certain conditions, there exist i...
AbstractIf A and B are n × n doubly stochastic matrices such that per[rA + (1 − r)B] = per A for all...
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