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检索条件"主题词=BOUNDARY value problems -- Numerical solutions"
274 条 记 录,以下是51-60 订阅
排序:
On bifurcation of solutions of the Yamabe problem in product manifolds
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ANNALES DE L INSTITUT HENRI POINCARE-ANALYSE NON LINEAIRE 2012年 第2期29卷 261-277页
作者: de Lima, L. L. Piccione, P. Zedda, M. Univ Sao Paulo Dept Matemat BR-05508 Sao Paulo Brazil Univ Fed Ceara Dept Matemat Fortaleza Ceara Brazil Univ Cagliari I-09124 Cagliari Italy
We study local rigidity and multiplicity of constant scalar curvature metrics in arbitrary products of compact manifolds. Using (equivariant) bifurcation theory we determine the existence of infinitely many metrics th... 详细信息
来源: 评论
POSITIVE CONSTRAINED MINIMIZERS FOR SUPERCRITICAL problems IN THE BALL
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PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 2012年 第6期140卷 2141-2154页
作者: Grossi, Massimo Noris, Benedetta Univ Roma La Sapienza Dipartimento Matemat I-00185 Rome Italy Univ Milano Bicocca Dipartimento Matemat & Applicazioni I-20126 Milan Italy
We provide a sufficient condition for the existence of a positive solution to -Delta u + V(vertical bar x vertical bar)u = u(p) in B-1, when p is large enough. Here B-1 is the unit ball of R-n, n >= 2, and we deal ... 详细信息
来源: 评论
The mathematical theory of growing solids: Finite deformations
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DOKLADY PHYSICS 2012年 第4期57卷 160-163页
作者: Manzhirov, A. V. Lychev, S. A. Russian Acad Sci Inst Problems Mech Moscow 119526 Russia
The article offers information on the study regarding deformation that occurs in the boundary of the growth of a solid. It mentions the use of theory of stratifications of differentiated varieties. It says that the us... 详细信息
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On the solution of a boundary-value problem for a third-order equation with multiple characteristics
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UKRAINIAN MATHEMATICAL JOURNAL 2012年 第1期64卷 1-12页
作者: Apakov, Yu P. Namangan Engn Pedag Inst Namangan Uzbekistan
We consider the first boundary-value problem for a third-order equation with multiple characteristics u (xxx) -aEuro parts per thousand u (yy) = f(x, y) in a domain D = {(x, y):0 < x < p, 0 < y < l}. The u... 详细信息
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The Existence and Multiplicity of Positive solutions for Second-Order Periodic boundary value Problem
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JOURNAL OF FUNCTION SPACES AND APPLICATIONS 2012年 第1期2012卷 1-13页
作者: Wang, Feng Zhang, Fang Wang, Fuli Changzhou Univ Sch Math & Phys Changzhou 213164 Jiangsu Peoples R China
The existence and multiplicity of positive solutions are established for second-order periodic boundary value problem. Our results are based on the theory of a fixed point index for A-proper semilinear operators defin... 详细信息
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SOLVABILITY OF INHOMOGENEOUS boundary-value problems FOR FOURTH-ORDER DIFFERENTIAL EQUATIONS
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UKRAINIAN MATHEMATICAL JOURNAL 2012年 第8期63卷 1165-1175页
作者: Buryachenko, K. O. Donetsk Natl Univ Donetsk Ukraine
We consider a Cauchy-type boundary-value problem, a problem with three boundary conditions, and the Dirichlet problem for a general typeless fourth-order differential equation with constant complex coefficients and no... 详细信息
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Problem on multiple eigenvalues and positive eigenfunctions for a one-dimensional second-order quasilinear equation
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DIFFERENTIAL EQUATIONS 2012年 第8期48卷 1081-1089页
作者: Kostomarov, D. P. Sheina, E. A. Moscow MV Lomonosov State Univ Moscow Russia
We consider the eigenvalue and eigenfunction problem for a one-dimensional secondorder quasilinear differential equation. We analyze a number of versions of the function f specifying the nonlinearity for which the pro... 详细信息
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Non-symmetric low-index solutions for a symmetric boundary value problem
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JOURNAL OF DIFFERENTIAL EQUATIONS 2012年 第1期252卷 448-458页
作者: Arioli, Gianni Koch, Hans Politecn Milan Dept Math & MOX I-20133 Milan Italy Univ Texas Austin Dept Math Austin TX 78712 USA
We consider the equation -Delta u = wu(3) on a square domain in R-2, with Dirichlet boundary conditions, where w is a given positive function that is invariant under all (Euclidean) symmetries of the square. This equa... 详细信息
来源: 评论
Control for Atom Response in Multicomponent Laser Fields
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OPTICS AND SPECTROSCOPY 2012年 第3期112卷 410-419页
作者: Andreev, A. V. Stremoukhov, S. Yu. Shutova, O. A. Moscow MV Lomonosov State Univ Int Educ Sci Laser Ctr Moscow 119991 Russia
A theory of the nonlinear optical response of an atom interacting with a superposition of arbitrarily polarized fields is developed. The theory is based on the analytical solution of the boundary-value problem for an ... 详细信息
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Multiple solutions for Nonlinear Doubly Singular Three-Point boundary value problems with Derivative Dependence
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INTERNATIONAL JOURNAL OF DIFFERENTIAL EQUATIONS 2012年 第unknown期2012卷 1-21页
作者: Pandey, R. K. Barnwal, A. K. Indian Inst Technol Dept Math Kharagpur 721302 W Bengal India
We study the existence of multiple nonnegative solutions for the doubly singular three-point boundary value problem with derivative dependent data function -(p(t)y'(t))' = q(t) f(t, y(t), p(t)y'(t)), 0 0 ... 详细信息
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