Results 1 to 10 of about 1,278,901 (285)

On Darboux's Approach to R-Separability of Variables

Symmetry, Integrability and Geometry: Methods and Applications, 2011
We discuss the problem of R-separability (separability of variables with a factor R) in the stationary Schrödinger equation on n-dimensional Riemann space.
Adam Szereszewski, Antoni Sym
doaj   +1 more source

Examination of Separation-Individuation Levels and Peer Relations of Adolescents According to Spesific Several Variables

Hayef: Journal of Education, 2020
Ayşe Esra ASLAN, İlhan ÇİÇEK
doaj   +1 more source

Superintegrable Stäckel Systems on the Plane: Elliptic and Parabolic Coordinates

Symmetry, Integrability and Geometry: Methods and Applications, 2012
Recently we proposed a generic construction of the additional integrals of motion for the Stäckel systems applying addition theorems to the angle variables.
Andrey V. Tsiganov
doaj   +1 more source

How Can We Manage Repairing a Broken Finite Vibrating String? Solutions to the Problem I

Journal of Optimization, Differential Equations and Their Applications
The current research deals with an initial-boundary value problem (IBVP) with the Dirichlet boundary conditions for the 1D homogeneous wave equation with discontinuous piece-wise constant coefficient previously formulated (JODEA, 31 (2) (2023), 89 – 114)
Vladimir L. Borsch
doaj   +1 more source

Vadim Kuznetsov. Informal Biography by Eyes of His First Adviser

Symmetry, Integrability and Geometry: Methods and Applications, 2007
The paper is dedicated to the memory of prominent theoretical physicist and mathematician Dr. Vadim Kuznetsov who worked, in particular, in the fields of the nonlinear dynamics, separation of variables, integrability theory, special functions.
Igor V. Komarov
doaj  

Application of method of separation of variables for analyzing floating breakwaters

نشریه مهندسی دریا, 2016
In this article, a rectangular cross section breakwater in water of finite depth and infinite domain is studied using the separation of the variables method in regular, sinusoidal waves.
Esmaeel Masoodi, hamid Zeraatgar
doaj  

Separation of variables and the XXZ Gaudin magnet

, 1994
In this work we generalise previous results connecting (rational) Gaudin magnet models and classical separation of variables. It is shown that the connection persists for the case of linear r-matrix algebra which corresponds to the trigonometric 4x4 r ...
Kalnins, E. G., Kuznetsov, V. B., Miller, Jr, Willard   +2 more
core   +2 more sources

Analytical results regarding electrostatic resonances of surface phonon/plasmon polaritons: separation of variables with a twist. [PDF]

Proc Math Phys Eng Sci, 2017
Voicu RC, Sandu T.
europepmc   +1 more source

On Separation of Variables

, 2002
The necessary and sufficient conditions for a function to be totally or partially separable are derived. It is shown that a function is totally separable if and only if each component of the gradient vector of depends only on the corresponding variable.
openaire   +2 more sources

Do Dads matter? Or is it just their money that matters? Unpicking the effects of separation on educational outcomes by and [PDF]

The widely held view that separation has adverse effects on children has been the basis of important policy interventions. While a small number of analyses have been concerned with selection into divorce, no studies have attempted to separate out the ...
Ian Walker, Yu Zhu
core