Results 31 to 40 of about 615,027 (289)

The Matrix Nonlinear Schrödinger Equation in Dimension 2

open access: yesJournal of Mathematical Analysis and Applications, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zuhan, L, Pedersen, Michael
openaire   +3 more sources

An iterative scheme for solving a Lippmann – Schwinger nonlinear integral equation by the Galerkin method

open access: yesИзвестия высших учебных заведений. Поволжский регион: Физико-математические науки, 2023
Background. The purpose of the work is to solve the nonlinear integral equation describing the propagation of electromagnetic waves inside a body located in free space. Materials and methods.
Andrey O. Lapich, Mikhail Yu. Medvedik
doaj   +1 more source

Two meshless methods for solving nonlinear ordinary differential equations in engineering and applied sciences

open access: yesNonlinear Engineering, 2020
In this paper, two meshless methods have been introduced to solve some nonlinear problems arising in engineering and applied sciences. These two methods include the operational matrix Bernstein polynomials and the operational matrix with Chebyshev ...
Al-Jawary Majeed A., Ibraheem Ghada H.
doaj   +1 more source

The BLUES function method for second-order partial differential equations: Application to a nonlinear telegrapher equation

open access: yesPartial Differential Equations in Applied Mathematics, 2022
An analytic iteration sequence based on the extension of the BLUES (Beyond Linear Use of Equation Superposition) function method to partial differential equations (PDEs) with second-order time derivatives is studied. The original formulation of the BLUES
Jonas Berx, Joseph O. Indekeu
doaj   +1 more source

Quasiperiodic solutions for matrix nonlinear Schrödinger equations [PDF]

open access: yesJournal of Mathematical Physics, 1992
The Adler–Kostant–Symes theorem yields isospectral Hamiltonian flows on the dual ■erm>$$̃g+* of a Lie subalgebra ■erm>$$̃g+ of a loop algebra ■erm>$$̃g. A general approach relating the method of integration of Krichever, Novikov, and Dubrovin to such flows is used to obtain finite-gap solutions of matrix nonlinear Schrödinger ...
openaire   +3 more sources

New Solvable Nonlinear Matrix Evolution Equations

open access: yesJournal of Nonlinear Mathematical Physics, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

On finite time delay dependent stability of linear discrete delay systems: Numerical solution approach [PDF]

open access: yesScientific Technical Review, 2015
In this paper, a possible solution of the basic nonlinear quadratic matrix equation was proposed. The solution is crucial in the formulation of the particular criteria for the delay-dependent finite time stability of discrete time delay systems ...
Debeljković Dragutin   +4 more
doaj  

Existence and Uniqueness of the Positive Definite Solution for the Matrix Equation X=Q+A∗(X^−C)−1A

open access: yesAbstract and Applied Analysis, 2013
We consider the nonlinear matrix equation X=Q+A∗(X^−C)−1A, where Q is positive definite, C is positive semidefinite, and X^ is the block diagonal matrix defined by X^=diag(X,X,…,X).
Dongjie Gao
doaj   +1 more source

Condition Numbers of the Nonlinear Matrix Equation Xp-A⁎eXA=I

open access: yesJournal of Function Spaces, 2018
We explore the condition numbers of the nonlinear matrix equation Xp-A⁎eXA=I. Explicit expressions for the normwise, mixed, and componentwise condition numbers are derived.
Chacha Stephen Chacha   +1 more
doaj   +1 more source

Nonlinear Schrödinger type tetrahedron maps

open access: yesNuclear Physics B, 2020
This paper is concerned with the construction of new solutions in terms of birational maps to the functional tetrahedron equation and parametric tetrahedron equation.
S. Konstantinou-Rizos
doaj   +1 more source

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