Results 1 to 10 of about 9,585 (266)

Solution of an integral equation with a logarithmic kernel [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1990
A simple independent integral equation technique is presented to solve an integral equation with a logarithmic kernel which governs solutions of many two-dimensional Dirichlet boundary value problems involving two coplanar and parallel infinite strips ...
C. Sampath, D. J. Jain
doaj   +2 more sources

Nyström kernel algorithm based on least logarithmic hyperbolic cosine loss

open access: yesJournal of Electronic Science and Technology, 2023
Kernel adaptive filters (KAFs) have sparked substantial attraction for online non-linear learning applications. It is noted that the effectiveness of KAFs is highly reliant on a rational learning criterion.
Shen-Jie Tang   +8 more
doaj   +2 more sources

An improved smoothed particle hydrodynamics approach using new inverse kernel function

open access: yesJournal of Ocean Engineering and Science, 2022
The main limitation of Smoothed Particle Hydrodynamics (SPH) method that resists the method's potential is its lack of providing stability and accuracy to the numerical technique.
J.R. Rajapriyadharshini
doaj   +1 more source

Single-Logarithmic Corrections to Small-$x$ Helicity Evolution

open access: yesSciPost Physics Proceedings, 2022
The small-$x$ quark helicity evolution equations at double-logarithmic order, with the kernel $\sim\alpha_s\ln^2(1/x)$, have been derived previously. In this work, we derive the single-logarithmic corrections to the equations, to order $\alpha_s\ln(1 ...
Yossathorn Tawabutr
doaj   +1 more source

Logarithmic heat kernel estimates without curvature restrictions

open access: yesThe Annals of Probability, 2023
The main results of the article are short time estimates and asymptotic estimates for the first two order derivatives of the logarithmic heat kernel of a complete Riemannian manifold. We remove all curvature restrictions and also develop several techniques.
Chen, Xin, Li, Xue-Mei, Wu, Bo
openaire   +3 more sources

Fractional operators with Kaniadakis logarithm kernels

open access: yesINTERMATHS, 2022
In this article, more general types of fractional operators with κ-deformed logarithm kernels are proposed. We analyse the new operators and prove various facts about them, including a semi group property. Results of existence are established in appropriate functional spaces. We prove that these results are valid at once for several standard fractional
Ana Paula Perovano   +1 more
openaire   +2 more sources

Helicity evolution at small x: the single-logarithmic contribution

open access: yesJournal of High Energy Physics, 2022
We calculate single-logarithmic corrections to the small-x flavor-singlet helicity evolution equations derived recently [1–3] in the double-logarithmic approximation.
Yuri V. Kovchegov   +2 more
doaj   +1 more source

Kernel Least Logarithmic Absolute Difference Algorithm

open access: yesMathematical Problems in Engineering, 2022
Kernel adaptive filtering (KAF) algorithms derived from the second moment of error criterion perform very well in nonlinear system identification under assumption of the Gaussian observation noise; however, they inevitably suffer from severe performance degradation in the presence of non-Gaussian impulsive noise and interference.
Dongliang Fu   +3 more
openaire   +1 more source

On the Negativity of the Walsh–Kaczmarz–Riesz Logarithmic Kernels [PDF]

open access: yesMathematica Pannonica, 2021
The main aim of this paper is to prove that the nonnegativity of the Riesz’s logarithmic kernels with respect to the Walsh– Kaczmarz system fails to hold.
Gát, György, Lucskai, Gábor
openaire   +2 more sources

An Algorithm for the Solution of Nonlinear Volterra–Fredholm Integral Equations with a Singular Kernel

open access: yesFractal and Fractional, 2023
The nonlinear Volterra–Fredholm integral Equation (NVFIE) with a singular kernel is discussed such that the kernel of position can take the Hilbert kernel form, Carleman function, logarithmic form, or Cauchy kernel. Using the quadrature method, the NVFIE
Sahar M. Abusalim   +3 more
doaj   +1 more source

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