Results 51 to 60 of about 25,032 (242)

Una nueva expresión acerca del producto de convolución de la derivada de orden k de la delta de Dirac en IxI2-M2

open access: yesNexo, 2010
In this paper, we obtain a expansion in series (type Taylor) of distribution (formula) and give a new expression for the convolution product of (formula) Other expressions of that product appear in ([5]).
M. Aguirre
doaj   +1 more source

On Differential Subordination and Superordination for Univalent Function Involving New Operator

open access: yesIraqi Journal for Computer Science and Mathematics, 2022
The goal of this paper is to investigate some of the features of differential subordination of analytic univalent functions in an open unit disc. In addition, it has shed light on geometric features such as coefficient inequality, Hadamard product ...
Mustafa I. Hameed   +1 more
doaj   +1 more source

Mellin convolutions of products and ratios

open access: yesFrontiers in Applied Mathematics and Statistics
Usually, convolution refers to Laplace convolution in the literature, but Mellin convolutions can yield very ueful results. This aspect is illustrated in the coming sections. This study deals with Mellin convolutions of products and ratios. Functions belonging to the pathway family of functions are considered. Several types of integral representations,
Arak M. Mathai, Hans J. Haubold
openaire   +3 more sources

Product-convolution operators and mixed-norm spaces [PDF]

open access: yesTransactions of the American Mathematical Society, 1981
Conditions for boundedness and compactness of product-convolution operators g → P h C f g = h ⋅ ( f ∗ g ) g \to {P_h}{C_f}g = h \cdot (f\ast g) on spaces
Busby, Robert C., Smith, Harvey A.
openaire   +2 more sources

Post‐COVID Fatigue Is Associated With Reduced Cortical Thickness After Hospitalization

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Neuropsychiatric symptoms are among the most prevalent sequelae of COVID‐19, particularly among hospitalized patients. Recent research has identified volumetric brain changes associated with COVID‐19. However, it currently remains poorly understood how brain changes relate to post‐COVID fatigue and cognitive deficits.
Tim J. Hartung   +190 more
wiley   +1 more source

Note on the Numerical Solutions of the General Matrix Convolution Equations by Using the Iterative Methods and Box Convolution Product

open access: yesAbstract and Applied Analysis, 2010
We define the so-called box convolution product and study their properties in order to present the approximate solutions for the general coupled matrix convolution equations by using iterative methods.
Adem Kılıçman, Zeyad Al zhour
doaj   +1 more source

MEAN VALUES AND MEAN-CONVOLUTION PRODUCTS

open access: yesKyushu Journal of Mathematics, 1996
This paper is concerned with mean values and mean convolution products for bounded measurable functions on \(R^m\). These are computed with respect to a weight function \(h(x)\), which is nonnegative and has the unit mass. The limit \(M(h,f)\) of \((1/L^m)I[h((x-y)/L)f(y)]\), as \(L\) goes to infinity, when it exists independently of \(x\), is the mean
openaire   +2 more sources

Development of a Prediction Model for Progression Risk in High‐Grade Gliomas Based on Habitat Radiomics and Pathomics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu   +14 more
wiley   +1 more source

Functional and Structural Evidence of Neurofluid Circuit Aberrations in Huntington Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Disrupted neurofluid regulation may contribute to neurodegeneration in Huntington disease (HD). Because neurofluid pathways influence waste clearance, inflammation, and the distribution of central nervous system (CNS)–delivered therapeutics, understanding their dysfunction is increasingly important as targeted treatments emerge.
Kilian Hett   +8 more
wiley   +1 more source

On Caputo $k$ -Fractional Derivatives and Associated Inequalities

open access: yesIEEE Access, 2019
This paper studies the k-fractional analogue of the Caputo fractional derivatives, their properties, and applications. A convolution of two functions instead of the product is analyzed by means of Caputo k-fractional derivatives.
Asif Waheed   +5 more
doaj   +1 more source

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