Results 21 to 30 of about 568,612 (221)

Symmetrization of a Family of Cauchy-Like Kernels: Global Instability [PDF]

open access: yesLa Matematica, 2022
The fundamental role of the Cauchy transform in harmonic and complex analysis has led to many different proofs of its $L^2$ boundedness. In particular, a famous proof of Melnikov-Verdera [18] relies upon an iconic symmetrization identity of Melnikov [17] linking the universal Cauchy kernel $K_0$ to Menger curvature.
Lanzani, Loredana, Pramanik, Malabika
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

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

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

The Poisson kernel and the Fourier transform of the slice monogenic Cauchy kernels [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2022
The Fueter-Sce-Qian (FSQ for short) mapping theorem is a two-steps procedure to extend holomorphic functions of one complex variable to slice monogenic functions and to monogenic functions. Using the Cauchy formula of slice monogenic functions the FSQ-theorem admits an integral representation for $n$ odd.
Fabrizio Colombo   +3 more
openaire   +4 more sources

Kurtosis prediction of bearing vibration signal based on wavelet packet transform and Cauchy kernel relevance vector regression algorithm

open access: yesAdvances in Mechanical Engineering, 2016
Accurate prediction for kurtosis of bearing vibration signal is helpful to find out the fault of bearing as soon as possible. Kurtosis prediction of bearing vibration signal based on wavelet packet transform and Cauchy kernel relevance vector regression ...
Sheng-wei Fei
doaj   +1 more source

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

Fault Diagnosis of Bearing Based on Cauchy Kernel Relevance Vector Machine Classifier with SIWPSO

open access: yesShock and Vibration, 2015
Bearing is an important component of mechanical system; any defects of bearing will lead to serious damage for the entire mechanical system. In this paper, Cauchy kernel relevance vector machine with stochastic inertia weight particle swarm optimization ...
Sheng-wei Fei, Yong He
doaj   +1 more source

Singular integral equations with Cauchy kernels [PDF]

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

Non-symmetric Cauchy kernels for the classical groups

open access: yesJournal of Combinatorial Theory, Series A, 2009
We give non-symmetric versions of the Cauchy kernel and Littlewood's kernels, corresponding to the types $A_n$, $B_n$, $C_n$ and $D_n$, of the classical groups. We show that these new kernels are diagonal in the basis of two families of key polynomials (one of them being Demazure characters) obtained as images of dominant monomials under isobaric ...
Fu, Amy M., Lascoux, Alain
openaire   +2 more sources

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