Results 1 to 10 of about 285,460 (269)

On products of conjugacy classes in general linear groups [PDF]

open access: yesInternational Journal of Group Theory, 2022
Let $K$ be a field and $n\geq 3$. Let $E_n(K)\leq H\leq GL_n(K)$ be an intermediate group and $C$ a noncentral $H$-class. Define $m(C)$ as the minimal positive integer $m$ such that $\exists i_1,\ldots,i_m\in\{\pm 1\}$ such that the product $C^{i_1 ...
Raimund Preusser
doaj   +1 more source

Asymptotics for Incidence Matrix Classes [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2006
We define incidence matrices to be zero-one matrices with no zero rows or columns. We are interested in counting incidence matrices with a given number of ones, irrespective of the number of rows or columns. A classification of incidence matrices is considered for which conditions of symmetry by transposition, having no repeated rows/columns, or ...
Cameron, Peter   +2 more
openaire   +3 more sources

Studying the Classification of Texture Images by K-Means of Co-Occurrence Matrix and Confusion Matrix

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2023
In this research, a group of gray texture images of the Brodatz database was studied by building the features database of the images using the gray level co-occurrence matrix (GLCM), where the distance between the pixels was one unit and for four angles (
Haider S. Kaduhm   +1 more
doaj   +1 more source

Majorization for matrix classes [PDF]

open access: yesLinear Algebra and its Applications, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Geir Dahl   +2 more
openaire   +4 more sources

A class of symmetric and non-symmetric band matrices via binomial coefficients

open access: yesSpecial Matrices, 2021
Symmetric matrix classes of bandwidth 2r + 1 was studied in 1972 through binomial coefficients. In this paper, non-symmetric matrix classes with the binomial coefficients are considered where r + s + 1 is the bandwidth, r is the lower bandwidth and s is ...
Micheal Omojola, Kilic Emrah
doaj   +1 more source

Deep Residual Expression Recognition Network to Enhance Inter-class Discrimination [PDF]

open access: yesJisuanji kexue yu tansuo, 2022
Deep facial expression recognition is a challenging task for neural networks to apply in pattern reco-gnition. Compared with face recognition tasks such as identity authentication and feature point recognition, there are a lot of redundant information in
HUANG Hao, GE Hongwei
doaj   +1 more source

The binomial sequence spaces of nonabsolute type

open access: yesJournal of Inequalities and Applications, 2016
In this paper, we introduce the binomial sequence spaces b 0 r , s $b^{r,s}_{0}$ and b c r , s $b^{r,s}_{c}$ of nonabsolute type which include the spaces c 0 $c_{0}$ and c, respectively.
Mustafa Cemil Bişgin
doaj   +1 more source

The binomial sequence spaces which include the spaces ℓ p $\ell_{p}$ and ℓ ∞ $\ell_{\infty}$ and geometric properties

open access: yesJournal of Inequalities and Applications, 2016
In this work, we introduce the binomial sequence spaces b p r , s $b^{r,s}_{p}$ and b ∞ r , s $b^{r,s}_{\infty}$ which include the spaces ℓ p $\ell_{p}$ and ℓ ∞ $\ell _{\infty}$ , in turn. Moreover, we show that the spaces b p r , s $b^{r,s}_{p}$ and b ∞
Mustafa Cemil Bişgin
doaj   +1 more source

The Q-Matrix Anchored Mixture Rasch Model

open access: yesFrontiers in Psychology, 2021
Mixture item response theory (IRT) models include a mixture of latent subpopulations such that there are qualitative differences between subgroups but within each subpopulation the measure model based on a continuous latent variable holds.
Ming-Chi Tseng, Wen-Chung Wang
doaj   +1 more source

Compactness of quadruple band matrix operator and geometric properties

open access: yesAnnales Universitatis Paedagogicae Cracoviensis: Studia Mathematica, 2022
In this work, we characterize the class of compact matrix operators from c0(Q), c(Q) and l∞(Q) into c0, c and l∞, respectively, with the notion of the Hausdorff measure of noncompactness.
Mustafa Cemil Bişgin   +1 more
doaj  

Home - About - Disclaimer - Privacy