Výsledky vyhledávání - "Journal of computational and applied mathematics"

Tempered stable Lévy motion and transient super-diffusion Autor Baeumer, Boris, Meerschaert, Mark M.

“…The space-fractional diffusion equation models anomalous super-diffusion. Its solutions are transition densities of a stable Lévy motion, representing the…”
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An epidemiology model involving high-order linear Fredholm integro-differential-difference equations via a novel balancing collocation technique Autor Patra, Asim

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A posteriori error estimation and adaptive mesh refinement for parabolic interface problems using non-conforming immersed finite element method Autor Ray, Tanushree, Sinha, Rajen Kumar

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Eigenvalue estimates for saddle point matrices of Hermitian and indefinite leading blocks Autor Bai, Zhong-Zhi

“…We study the eigenvalue bounds for the nonsingular saddle point matrices of Hermitian and indefinite (1,1) and (2,2) blocks without imposing the restrictions…”
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The meshing framework ViennaMesh for finite element applications Autor Rudolf, Florian, Weinbub, Josef, Rupp, Karl, Selberherr, Siegfried

“…The applicability of the meshing framework ViennaMesh for finite element simulations is investigated. Meshing tools are highly diverse, meaning that each…”
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On micromechanical damage modeling in geomechanics: Influence of numerical integration scheme Autor Levasseur, S., Collin, F., Charlier, R., Kondo, D.

“…Tunnel excavations in deep rocks provide stress perturbations which initiate diffuse and/or localized damage propagation in the material. This damage…”
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Least squares parameter estimation and multi-innovation least squares methods for linear fitting problems from noisy data Autor Ding, Feng

“…Least squares is an important method for solving linear fitting problems and quadratic optimization problems. This paper explores the properties of the least…”
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Inner and outer radial density functions in singly-excited 1snl states of the He atom Autor Matsuyama, Hisashi, Koga, Toshikatsu

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On conformable fractional calculus Autor Abdeljawad, Thabet

“…Recently, the authors Khalil et al. (2014) introduced a new simple well-behaved definition of the fractional derivative called conformable fractional…”
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Separable synthesis gradient estimation methods and convergence analysis for multivariable systems Autor Xu, Ling, Ding, Feng

“…This paper studies the parameter identification problem for a large-scale multivariable systems. In terms of the identification obstacle causing by huge…”
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Optimally weighted loss functions for solving PDEs with Neural Networks Autor van der Meer, Remco, Oosterlee, Cornelis W., Borovykh, Anastasia

“…Recent works have shown that deep neural networks can be employed to solve partial differential equations, giving rise to the framework of physics informed…”
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Restarted GMRES preconditioned by deflation Autor Erhel, Jocelyne, Burrage, Kevin, Pohl, Bert

“…This paper presents a new preconditioning technique for the restarted GMRES algorithm. It is based on an invariant subspace approximation which is updated at…”
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A new definition of fractional derivative Autor Khalil, R., Al Horani, M., Yousef, A., Sababheh, M.

“…We give a new definition of fractional derivative and fractional integral. The form of the definition shows that it is the most natural definition, and the…”
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On the approximate solutions of a class of fractional order nonlinear Volterra integro-differential initial value problems and boundary value problems of first kind and their convergence analysis Autor Das, Pratibhamoy, Rana, Subrata, Ramos, Higinio

“…In this work we consider a class of fractional order Volterra integro-differential equations of first kind where the fractional derivative is considered in the…”
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Complex dynamics of a discrete-time Bazykin–Berezovskaya prey-predator model with a strong Allee effect Autor Naik, Parvaiz Ahmad, Eskandari, Zohreh, Yavuz, Mehmet, Zu, Jian

“…The present paper investigates the critical normal form coefficients for the one-parameter and two-parameter bifurcations of a discrete-time…”
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Analysis and some applications of a regularized Ψ–Hilfer fractional derivative Autor Jajarmi, Amin, Baleanu, Dumitru, Sajjadi, Samaneh Sadat, Nieto, Juan J.

“…The main purpose of this research is to present a generalization of Ψ–Hilfer fractional derivative, called as regularized Ψ–Hilfer, and study some of its basic…”
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Bifurcation analysis and complex dynamics of a Kopel triopoly model Autor Li, Bo, Zhang, Yue, Li, Xiaoliang, Eskandari, Zohreh, He, Qizhi

“…In this paper, a novel type of generalized Kopel triopoly model is presented to reveal the complex dynamics and transitions between different dynamic…”
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Hermite–Hadamard type inequalities for multiplicative Riemann–Liouville fractional integrals Autor Du, Tingsong, Peng, Yu

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A mesh-free method using piecewise deep neural network for elliptic interface problems Autor He, Cuiyu, Hu, Xiaozhe, Mu, Lin

“…In this paper, we propose a novel mesh-free numerical method for solving the elliptic interface problems based on deep learning. We approximate the solution by…”
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Fractional Newton mechanics with conformable fractional derivative Autor Chung, Won Sang

“…In this paper we use the conformable fractional derivative and integral to discuss the fractional Newtonian mechanics. The fractional version of the calculus…”
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