Results 31 to 40 of about 68 (68)

N -Dimensional Binary Vector Spaces

open access: yes, 2013
Summary. The binary set {0, 1} together with modulo-2 addition and multiplication is called a binary field, which is denoted by F2.
Vol, Formalized
core  

Positive Sub-Definite Matrices Over a Proper Cone Completeness of Rank One Matrix

open access: yes, 2014
The purpose of this paper is to check rank one matrix thoroughly and identify the existence of positive sub-definite matrices, generalize positive sub-definite matrices, weakly generalized positive sub-definite matrices and copositive matrices on it ...
Tanjena S. Khan, A. Hassouni, A. Lahlou
core  

Characterizations of term-rank preservers over Boolean matrices

open access: yes, 2012
In this paper we obtain some characterizations of linear operators that preserve term rank of Boolean matrices. With certain conditions, we prove that for a linear operator T on the Boolean matrix space, T preserves term rank if and only if T preserves ...
Wan Saripah Wan Sulaiman
core  

On linear codes with random multiplier vectors and the maximum trace dimension property

open access: yesJournal of Mathematical Cryptology
Let CC be a linear code of length nn and dimension kk over the finite field Fqm{{\mathbb{F}}}_{{q}^{m}}. The trace code Tr(C){\rm{Tr}}\left(C) is a linear code of the same length nn over the subfield Fq{{\mathbb{F}}}_{q}.
Erdélyi Márton   +3 more
doaj   +1 more source

Zero Forcing Sets and Bipartite Circulants

open access: yes, 2010
In this paper we introduce a class of regular bipartite graphs whose biadja-cency matrices are circulant matrices and we describe some of their properties. Notably, we compute upper and lower bounds for the zero forcing number for such a graph based only
Seth A. Meyer
core  

Variations in the sub-defect of doubly substochastic matrices

open access: yesSpecial Matrices
The sub-defect of a doubly stochastic matrix AA, denoted as sd(A)=⌈n−sum(A)⌉sd\left(A)=\lceil n-{\rm{sum}}\left(A)\rceil , is defined as the minimum number of rows and columns required to be added to transform the doubly substochastic matrix into a ...
Cao Lei   +2 more
doaj   +1 more source

Dependency Relations Among the Shifts of a Multivariate Refinable Distribution

open access: yes, 1998
. Refinable functions are an intrinsic part of subdivision schemes and wavelet constructions. The relevant properties of such functions must usually be determined from their refinement masks.
Rong-qing Jia   +3 more
core  

and

open access: yes, 2008
A sign pattern matrix is a matrix whose entries are from the set {+, −, 0}. The minimum rank of a sign pattern matrix A is the minimum of the ranks of the real matrices whose entries have signs equal to the corresponding entries of A.
Marina Arav   +4 more
core  

Admissible Functions and Asymptotics for Labelled Structures by Number of Components

open access: yes, 1996
Let a(n; k) denote the number of combinatorial structures of size n with k components. One often has P n;k a(n; k)x n y k =n! = exp \Phi yC(x) \Psi , where C(x) is frequently the exponential generating function for connected structures.
Edward A. Bender, L. Bruce Richmond
core  

Reduction and normal forms of matrix pencils

open access: yes, 2011
. Matrix pencils, or pairs of matrices, may be used in a variety of applications. In particular, a pair of matrices (E,A) may be interpreted as the differential equation Ex ′ + Ax = 0.
Olivier Verdier
core  

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