Results 121 to 130 of about 5,807,139 (254)

An inequality for the integral means of a Hadamard product [PDF]

open access: yesProceedings of the American Mathematical Society, 1988
Motivated by Colzani’s paper [ 1 ] we prove that \[ M
openaire   +2 more sources

On certain p-valently analytic functions involving hadamard products [PDF]

open access: yes, 2014
In this paper, we introduce and study some properties of unified class WTλ(Φ,Ψ;η,β,p) involving the Hadamard Products given by Juneja et. al in 1985. The properties include coefficient bounds, growth and distortion, and closure theorem.
Maslina Darus
core   +1 more source

Extension and generalization inequalities involving the Khatri-Rao product of several positive matrices

open access: yesJournal of Inequalities and Applications, 2006
Recently, there have been many authors, who established a number of inequalities involving Khatri-Rao and Hadamard products of two positive matrices. In this paper, the results are established in the following three ways.
Al Zhour Zeyad Abdel Aziz, Kilicman Adem
doaj  

Optimal Portfolio Choice With Cross‐Impact Propagators

open access: yesMathematical Finance, EarlyView.
ABSTRACT We consider a class of optimal portfolio choice problems in continuous time where the agent's transactions create both transient cross‐impact driven by a matrix‐valued Volterra propagator, as well as temporary price impact. We formulate this problem as the maximization of a revenue‐risk functional, where the agent also exploits available ...
Eduardo Abi Jaber   +2 more
wiley   +1 more source

HADAMARD, KHATRI-RAO, KRONECKER AND OTHER MATRIX PRODUCTS [PDF]

open access: yes, 2008
This paper is dedicated to Heinz Neudecker, with affection and appreciation Abstract. In this paper we present a brief overview on Hadamard, Khatri-Rao, Kronecker and several related non-simple matrix products and their properties.
Trenkler, Goetz   +3 more
core  

On the Hadamard product of inverse M-matrices

open access: yesLinear Algebra and its Applications, 2000
I. Schur has shown that the class of positive semidefinite \(n \times n\) matrices is closed under Hadamard multiplication. It is shown that the same holds for the class of inverse \(M\)-matrices if and only if \(n\) is less than 4. Further results concern \textit{R. A. Willoughby}'s inverse \(M\)-matrices [ibid.
Wang, Bo-Ying   +2 more
openaire   +3 more sources

Panel Sequential Group Estimation of Interactive Effects Models

open access: yesOxford Bulletin of Economics and Statistics, EarlyView.
ABSTRACT This paper proposes a novel procedure to identify latent groups in the slopes of panel data models with interactive effects. The method is straightforward to apply and relies only on closed‐form estimators when evaluating the objective function.
Ignace De Vos, Joakim Westerlund
wiley   +1 more source

Preservation of inequalities under Hadamard products [PDF]

open access: yes
Wagner (1992) proved that the Hadamard product of two P\'olya frequency sequences that are interpolated by polynomials is again a P\'olya frequency sequence.
Brändén, Petter   +2 more
core   +1 more source

Hermite-Hadamard type integral inequalities for products of two generalized (s; m; ξ)-preinvex functions

open access: yesMoroccan Journal of Pure and Applied Analysis, 2017
In this paper, the notion of generalized (s; m; ξ)-preinvex function is introduced and some new integral inequalities for the left-hand side of Gauss-Jacobi type quadrature formula involving generalized (s; m; ξ)-preinvex functions along with beta ...
Kashuri Artion, Liko Rozana
doaj   +1 more source

On Hadamard and Kronecker Products Over Matrix of Matrices

open access: yes, 2018
In this paper, we define and study Hadmard and Kronecker products over matrix of matrices and their basic properties. Furthermore, we establish a connection the Hadamard product of matrix of matrices and the usual matrix of matrices multiplication.
Z. Kishka   +3 more
semanticscholar   +1 more source

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