AbstractExplicit forms are given for all commutative sets of permutation matrices which sum to a positive matrix, and for nonabelian groups of permutation matrices of order twice an odd prime which sum to the matrix of all ones. A relationship to circulants of level k is indicated
AbstractFor an arbitrary irreducible set of nonnegative d×d-matrices, we consider the following prob...
AbstractAccording to Aitken, a “retrocirculant” is the product of a circulant and a certain permutat...
AbstractIf R is an n × n matrix over the complex field which is the product of a diagonal matrix D a...
AbstractExplicit forms are given for all commutative sets of permutation matrices which sum to a pos...
AbstractIn [5], a class Σ of p×p circulant matrices was studied where p is a prime, and necessary an...
AbstractLet P be an n×n permutation matrix, and let p be the corresponding permutation. Let A be a m...
AbstractIn [2] some theorems on n × n circulant matrices were introduced under the hypothesis n a pr...
AbstractLet G be a group of complex n×n matrices. We call G a permutation-like group if every matrix...
AbstractIn this paper we investigate generalized circulant permutation matrices of composite order. ...
AbstractWe study the properties of matrices of the form P(σ)A where σ is induced by an automorphism ...
AbstractA class Σ of matrices is studied which contains, as special subclasses, p-circulant matrices...
AbstractIf R is an n × n matrix over the complex field which is the product of a diagonal matrix D a...
A new type of matrix, termed permutative, is defined and motivated herein. The focus is upon identif...
A new type of matrix, termed permutative, is defined and motivated herein. The focus is upon identif...
AbstractIn [5], a class Σ of p×p circulant matrices was studied where p is a prime, and necessary an...
AbstractFor an arbitrary irreducible set of nonnegative d×d-matrices, we consider the following prob...
AbstractAccording to Aitken, a “retrocirculant” is the product of a circulant and a certain permutat...
AbstractIf R is an n × n matrix over the complex field which is the product of a diagonal matrix D a...
AbstractExplicit forms are given for all commutative sets of permutation matrices which sum to a pos...
AbstractIn [5], a class Σ of p×p circulant matrices was studied where p is a prime, and necessary an...
AbstractLet P be an n×n permutation matrix, and let p be the corresponding permutation. Let A be a m...
AbstractIn [2] some theorems on n × n circulant matrices were introduced under the hypothesis n a pr...
AbstractLet G be a group of complex n×n matrices. We call G a permutation-like group if every matrix...
AbstractIn this paper we investigate generalized circulant permutation matrices of composite order. ...
AbstractWe study the properties of matrices of the form P(σ)A where σ is induced by an automorphism ...
AbstractA class Σ of matrices is studied which contains, as special subclasses, p-circulant matrices...
AbstractIf R is an n × n matrix over the complex field which is the product of a diagonal matrix D a...
A new type of matrix, termed permutative, is defined and motivated herein. The focus is upon identif...
A new type of matrix, termed permutative, is defined and motivated herein. The focus is upon identif...
AbstractIn [5], a class Σ of p×p circulant matrices was studied where p is a prime, and necessary an...
AbstractFor an arbitrary irreducible set of nonnegative d×d-matrices, we consider the following prob...
AbstractAccording to Aitken, a “retrocirculant” is the product of a circulant and a certain permutat...
AbstractIf R is an n × n matrix over the complex field which is the product of a diagonal matrix D a...
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