A P0-matrix is a real square matrix all of whose principle minors are nonnegative. In this paper, we consider the class of P0-matrix. Our main aim is to determine which sign pattern matrices are admissible for this class of real matrices
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
In this paper we identify the sign pattern matrices that occur among the N–matrices, the P–matrices ...
AbstractFor sign patterns corresponding to directed or undirected cycles, we identify conditions und...
For sign patterns corresponding to directed or undirected cycles, we identify conditions under which...
AbstractFor sign patterns corresponding to directed or undirected cycles, we identify conditions und...
AbstractAn n×n real matrix is called sign regular if, for each k (1⩽k⩽n), all its minors of order k ...
A sign pattern matrix is a matrix whose entries are from the set {+,−, 0}. For a real matrix B, sgn(...
AbstractA sign pattern matrix is a matrix whose entries are from the set {+,-,0}. For a real matrix ...
AbstractIn this paper we identify the sign pattern matrices that occur among the N-matrices, the P-m...
A sign pattern is a matrix whose entries belong to the set {+,−, 0}. An n-by-n sign pattern A is sai...
A sign pattern is a matrix whose entries belong to the set {+,−, 0}. An n-by-n sign pattern A is sai...
AbstractA result of Johnson, Leighton, and Robinson characterizing sign patterns of real matrices wi...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
In this paper we identify the sign pattern matrices that occur among the N–matrices, the P–matrices ...
AbstractFor sign patterns corresponding to directed or undirected cycles, we identify conditions und...
For sign patterns corresponding to directed or undirected cycles, we identify conditions under which...
AbstractFor sign patterns corresponding to directed or undirected cycles, we identify conditions und...
AbstractAn n×n real matrix is called sign regular if, for each k (1⩽k⩽n), all its minors of order k ...
A sign pattern matrix is a matrix whose entries are from the set {+,−, 0}. For a real matrix B, sgn(...
AbstractA sign pattern matrix is a matrix whose entries are from the set {+,-,0}. For a real matrix ...
AbstractIn this paper we identify the sign pattern matrices that occur among the N-matrices, the P-m...
A sign pattern is a matrix whose entries belong to the set {+,−, 0}. An n-by-n sign pattern A is sai...
A sign pattern is a matrix whose entries belong to the set {+,−, 0}. An n-by-n sign pattern A is sai...
AbstractA result of Johnson, Leighton, and Robinson characterizing sign patterns of real matrices wi...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
The class of square matrices of order n having a negative determinant and all their minors up to ord...
In this paper we identify the sign pattern matrices that occur among the N–matrices, the P–matrices ...
DOI
Add to ORKG