Results 21 to 30 of about 516,450 (251)

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

Analytical chemistry kernel library for spectroscopic profiling data

open access: yesFood Chemistry Advances, 2023
The kernel is a powerful mathematical tool in spectroscopic profiling data analysis. This paper gives a theoretical and systematic formulation for various kernel types.
Yinsheng Zhang   +5 more
doaj   +1 more source

On the uniqueness of kernel determination in the integro-differential equation of parabolic type

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2015
We study the problem of determining the kernel of the integral term in the one-dimensional integro-differential equation of heat conduction from the known solution of the Cauchy problem for this equation.
Durdimurod K Durdiev
doaj   +1 more source

The kernel theorem for Cauchy ultradistribution

open access: yesJournal of Mathematical Analysis and Applications, 2003
Because of the popularity currently gained by ultradistribution theory (after the heydays of Schwartz distribution theory) the authors have tried to extend the results concerning kernel theorems to ultradistributions. Some elementary results are proved under the heading ``The kernel theorem''.
Banerji, P.K.   +2 more
openaire   +1 more source

Matrix Cauchy and Hilbert transforms in Hermitian quaternionic Clifford analysis [PDF]

open access: yes, 2013
Recently the basic setting has been established for the development of quaternionic Hermitian Clifford analysis, a theory centred around the simultaneous null solutions, called q-Hermitian monogenic functions, of four Hermitian Dirac operators in a ...
Abreu-Blaya, Ricardo   +4 more
core   +2 more sources

Smooth Kernel Estimation of a Circular Density Function: A Connection to Orthogonal Polynomials on the Unit Circle

open access: yesJournal of Probability and Statistics, 2018
The circular kernel density estimator, with the wrapped Cauchy kernel, is derived from the empirical version of Carathéodory function that is used in the literature on orthogonal polynomials on the unit circle.
Yogendra P. Chaubey
doaj   +1 more source

Hermitian clifford analysis [PDF]

open access: yes, 2015
This paper gives an overview of some basic results on Hermitian Clifford analysis, a refinement of classical Clifford analysis dealing with functions in the kernel of two mutually adjoint Dirac operators invariant under the action of the unitary group ...
A Damiano   +22 more
core   +1 more source

Singular integral equations with Cauchy kernels [PDF]

open access: yesTransactions of the American Mathematical Society, 1946
Not ...
openaire   +1 more source

Higher order Borel–Pompeiu representations in Clifford analysis [PDF]

open access: yes, 2016
In this paper, we show that a higher order Borel–Pompeiu (Cauchy–Pompeiu) formula, associated with an arbitrary orthogonal basis (called structural set) of a Euclidean space, can be extended to the framework of generalized Clifford analysis. Furthermore,
Bory Reyes, Juan   +3 more
core   +1 more source

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