On approximate open boundary conditions for the wave equation and the Klein-Gordon equation" . Maikov A.R. When implementing numerical simulations of non-stationary processes in spatially unbounded domains, in a number of cases the original problem can be reduced to a problem in a fixed subdomain by imposing certain conditions on the so-called open boundary that separates the subdomain from the rest of the whole domain. ... PostScript (in Russian) (296KB) . PDF (in Russian) (271KB) . ...

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• "On approximate open boundary conditions and their performance over long time
• "Approximate solution of the generalized mixed boundary value problem for
• "Approximate solution of a generalized boundary value problem for

... Steinbach O. - Numerical Approximation Methods for Elliptic Boundary Value Problems: Finite and Boundary Elements . ... Название: Numerical Approximation Methods for Elliptic Boundary Value Problems: Finite and Boundary Elements . ... Finite and boundary element methods belong to the most used numerical discretization methods for the approximate solution of elliptic boundary value problems. ... The approximate solution then only requires a decomposition of the boundary into boundary elements. ...

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• Sneddon I.N. - Mixed boundary value problems in potential theory :: Электронная
• Bellman R., Kalaba R. - Quasilinearization and nonlinear boundary-value
• Hinton D., Schaefer P.W. - Spectral Theory and Computational Methods of

... Joining of Approximate Asymptotic Groups for Some Model Examples . ... We have considered some ordinary differential equations with a small parameter by the higher derivatives (the van der Pol equation and the Stokes-Oseen problem). ... Here we try to apply the method of joining of asymptotic expantions in the theory of approximate group analysis. For the considered problem we offer an algorithm of joining asymptotic expantions of approximate groups. ...

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A.V. Setukha. The singular integral equation method in a 3-d boundary problems and it applications. In AIP Conf.proc, volume 1479, pages 720-723. American nstitute of Phisics, 2012. ... Also examples of the method practical implementation in applied problems of aerodynamics and acoustics are given. Ключевые слова: boundary value problems, integral equations, singular integrals, vortex methods ...

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• Approximation of Abstract Differential Equations
• Differential equations in Banach space and it's approximation.
• S. Piskarev. Shadowing in approximations of abstract parabolic equations //

... 07.04.2016 (Thursday) Session 1 10:00-10:20 10:20-10:40 10:40-11:00 11:00-11:20 11:20-11:40 ­ ­ ­ ­ ­ (chairman ­ M. Stynes) N. Kopteva V. Andreev H.-G. Roos S. Franz, H.-G. Roos A posteriori error estimates for singularly perturbed reactiondiffusion problems on anisotropic meshes. ... Numerical solution of a singularly perturbed initial-boundary value problem with a Neumann condition for a parabolic equation. ... Boundary layer solutions to time-periodic singularly perturbed parabolic problems. ...

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... Departments . ... Head of the department: Moiseev Evgeny, Academician of RAS, Professor, Dr. Sc., Dean of the Faculty CMC MSU Contact information . ... Main topics are: boundary value and spectral problems for PDEs of elliptic and mixed type, spectral analysis, boundary control problems for oscillating processes, linear integral equations, completeness and basis properties of functional systems. ... Functional Analysis by Prof. Moiseev, 64 hours, 5th semester. ... Functional Analysis by Assoc. ...

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• Department of Functional Analysis and its Applications

... Phys. A25 (2010) 3933 (arXiv:0908.0457 [hep-ph]) A brief reminder AdS/CFT correspondence ­ the conjectured equivalence between a string theory defined on one space and a CFT without gravity defined on conformal boundary of this space. ... At one imposes certain gauge invariant boundary conditions on the fields. Equation of motion for the scalar field Solution independent of usual 4 space-time coordinates where M is identified with the quark mass matrix and with the condensate. ...

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• http://qfthep.sinp.msu.ru/talks2013/POZDEEVAQFTHEP13.pdf

... Program . ...

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SLEIGN . The main purpose of this FORTRAN code is to compute eigenvalues and eigenfunctions of regular and singular Sturm-Liouville (S-L) problems, and to approximate the continuous (essential) spectrum in the singular case. ... When combined with algorithms from [BEWZ] (see reference below), SLEIGN2 can be used to approximate the continuous spectrum of singular S-L problems, e.g. the starting point of the continuous spectrum, gaps in the continuous spectrum, etc. ... Numerical Analysis | ...

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• SAL- Other Scientific Fields - Physics Astronomy - Xwake
• SAL- Numerical Analysis - Discrete Methods Related Tools - BIE
• SAL- Numerical Analysis - Misc - BVP Software

.

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A First Approximation of a Mixed Boundary Value Problem for a Strip using Legendre Polynomials / Kantor M.M. // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika. ...

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• Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika

Выберите категорию обращения: Общие вопросы Отчеты Рейтинги Диссертационные советы Конкурсы Ввод данных Структура организаций Пользователи Проблемы с регистрацией\входом в систему . ... Войти в систему . ... Bashkov A.B. , De_Nicolao G. , Kolmanovskii V.B. , Matasov A.I. в журнале Stochastic Analysis and Applications , издательство Marcel Dekker Inc. ... Bashkov A.B. , Kolmanovskii V.B. , Mao X. , Matasov A.I. в журнале Stochastic Analysis and Applications , издательство Marcel Dekker Inc. ...

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• Recke L. - сотрудник | ИСТИНА - Интеллектуальная Система Тематического
• Boundary Value Problems - журнал | ИСТИНА - Интеллектуальная Система
• Guidetti D. - сотрудник | ИСТИНА - Интеллектуальная Система Тематического

... The technique had been developed for calculating destruction of melting vitreous bodies in hypersonic gas flows taking into account the internal radiative transfer. ... The problem of flow in the chemically non-equilibrium boundary layer at a stagnation point of blunt body had been solved by the asymptotic method and formulas for the heat and diffusion fluxes to a surface of any catalycity had been obtained. ...

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Back to homepage >> . ... key words: [ melt inclusions, experiment, diffusion, boundary layer effect ] . ... In order to distinguish an influence of the boundary effects on the composition of melt inclusions, the experiment on growth of alkali feldspar (Fsp) crystal in the haplogranitic system (Q-Ab-Or) was performed. ... Estimation of an influence of the boundary effect on melt inclusion composition . ... The larger inclusion the weaker its influence on the boundary layer. ...

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• The influence of boundary layer effects on the melt inclusions compositions.
• Dictionary_T
• Dictionary_C

Next: The equilibrium period Up: Evolution of Magnetic Rotators Previous: Evolution of Magnetic Rotators . Analysis of the nature of interaction of a magnetized star with the surrounding plasma allows us to write an approximate evolution equation for the angular momentum of a magnetic rotator in the general form (Lipunov, 1982a[ 98 ]) . where is a specific angular momentum applied by the accretion matter to the rotator. ... The evolution equation ( 4.10.2 ) is approximate. ...

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• Caverns in Binary Systems
• Seminars

... N.5, pp.592-597 (scanned PDF file, English version) . ... A.V.Shanin, Embedding formula for electromagnetic diffraction problem // Zapiski seminarov POMI, V.324, pp.247-261 (2001), in Russian, (PDF file, Russian version) (PDF file, English version) . ... PDF file) . ... Shanin A.V., Coordinate equations for the Laplace-Beltrami problem on a sphere with a cut // QJMAM, 2005 (58) 2, 1-20 The preprint versions of two previous papers have been sent to URSI contest: Paper 1, PDF file , Paper 2, PDF file ...

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ON BOUNDARY PROBLEM FOR NONLINEAR PARABOLIC EQUATIONS WITH LEVY LAPLACIAN Kovtun I.I. National University of Life and Environmental Sciences of Ukraine, Learning-scientific institute of energetic and automatic, Department higher and applied mathematic, 15, Geroiv Oborony, Kyiv, 03041, Ukraine e-mail: ira@otblesk.com Let H be a separable real Hilbert space. ... Let U (t, x ) be the function in [0, ) , and LU (t, x ) be the Levy Laplacian [1], [2]. ... Feller M.N. The Levy Laplacian. Cambridge etc.: ...

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• http://www.mce.biophys.msu.ru/archive/doc62183/doc.pdf
• http://www.mce.biophys.msu.ru/archive/doc27120/doc.pdf
• http://www.mce.biophys.msu.ru/archive/doc150378/eng.pdf

... CpAppro . ... TernAPI program . ... Home Our Developments CpAppro . ... The above equation is a linear combination of thermodynamic functions of the harmonic oscillator (Planck-Einstein functions). This approach is developed as a part of a universal method of approximating temperature dependences of standard thermodynamic properties for crystalline substances. ... Colloquium on 24.12.12 20 Dec 2012 . ... Laboratory of Chemical Thermodynamics . ... 2000-2016 Laboratory of Chemical Thermodynamics . ...

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... Fursikov Andrei Vladimirovich . Head of the Department . ... Navier-Stockes equations, statistical hydrodynamics, theory of control for systems with distributed parameters. student of Mark Iosifovich Vishik . ... He is a member of the editorial board of "Journal of Dynamical and Control Systems", "Journal of Mathematical Fluid Mechanics", "Interdisciplinary Math. ... 119992 Moscow, GSP-1, Leninskie Gory, MSU, mechanics and mathematics department, OPU, Room 13-14 . ...

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• Scientific directions | Department: General Problems of Control. Faculty of
• Demidovich Vasiliy Borisovich | Department: General Problems of Control.
• Professors of the Department of Differential Equations

... Is it correct ? ... V-gauge ansatz LS-equation V-SFA (first Born, Bauer) V-gauge ansatz The corresponding L-gauge ansatz gives the same V-SFA. Formula (10) generates the gauge-invariant family. L-gauge ansatz LS-equation L-SFA (first Born, Keldysh) L-gauge ansatz The ansatz (11) generates now another gaugeinvariant family. ... Conclusions Correct gauge transformation of the chosen ansatz gives the gauge invariant Born series, which can be called as the gauge invariant family. ...

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• http://lmmqsp.sinp.msu.ru/mat/popov_dubna2013.pdf