Results 11 to 20 of about 7,361,772 (294)
An optimization problem for the first weighted eigenvalue problem plus a potential [PDF]
, 2009 In this paper, we study the problem of minimizing the first eigenvalue of the $p-$Laplacian plus a potential with weights, when the potential and the weight are allowed to vary in the class of rearrangements of a given fixed potential $V_0$ and weight ...
Bonder, Julián Fernández +1 more
core +3 more sources
ПРИМЕНЕНИЕ МОДИФИЦИРОВАННОГО МЕТОДА ГРАНИЧНЫХ ЭЛЕМЕНТОВ К РЕШЕНИЮ ЗАДАЧ ТЕОРИИ ПОТЕНЦИАЛА
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2012 Рассматривается задача теории потенциала, описываемая уравнением Лапласа ?u = 0. В работе предложен алгоритм решения задачи потенциала, основанный на методе граничных элементов.
Fedotov, V.P., Горшков, А.В.
doaj +1 more source
Three-potential formalism for the atomic three-body problem [PDF]
, 1998 Based on a three-potential formalism we propose mathematically well-behaved Faddeev-type integral equations for the atomic three-body problem and descibe their solutions in Coulomb-Sturmian space representation.
Papp, Z.
core +2 more sources
Three-potential formalism for the three-body Coulomb scattering problem [PDF]
, 1997 We propose a three-potential formalism for the three-body Coulomb scattering problem. The corresponding integral equations are mathematically well-behaved and can succesfully be solved by the Coulomb-Sturmian separable expansion method.
Papp, Z.
core +2 more sources
Comparison the readings of gravity field and it‘s gradient potential
Қарағанды университетінің хабаршысы. Математика сериясы, 2019 The problem of studying the deep structure of the earth’s crust is one of the strategic directions of geophysical research, ensuring the development of Earth sciences.
М.О. Kenzhebayeva
doaj +1 more source
Extension of Elastic Models to Decagonal Quasicrystals
Crystals, 2020 The main design of this paper is to adopt potential functions for solving plane defect problems originating from two-dimensional decagonal quasicrystals.
Wu Li, Yiqing Shi
doaj +1 more source
Optimal Concavity for Newtonian Potentials
Bruno Pini Mathematical Analysis Seminar, 2017 In this note I give a short overview about convexity properties of solutions to elliptic equations in convex domains and convex rings and show a result about the optimal concavity of the Newtonian potential of a bounded convex domain in ℝn , n ≥ 3 ...
Paolo Salani
doaj +1 more source
Universe, 2023 In this manuscript, we review the motion of a two-body celestial system (planet–sun) for a Yukawa-type correction on Newton’s gravitational potential using Hamilton’s formulation.
Nawras Abo Hasan +2 more
doaj +1 more source
Three-potential formalism for the three-body scattering problem with attractive Coulomb interactions [PDF]
, 2001 A three-body scattering process in the presence of Coulomb interaction can be decomposed formally into a two-body single channel, a two-body multichannel and a genuine three-body scattering.
A. A. Kvitsinsky +29 more
core +2 more sources
Sharp weights in the Cauchy problem for nonlinear Schrodinger equations with potential [PDF]
, 2014 We review different properties related to the Cauchy problem for the (nonlinear) Schrodinger equation with a smooth potential. For energy-subcritical nonlinearities and at most quadratic potentials, we investigate the necessary decay in space in order ...
Carles, Rémi
core +1 more source