Электронная библиотека Попечительского совета . ... Adomian George - Nonlinear stochastic operator equations . ... Название: Nonlinear stochastic operator equations . Автор: Adomian George . ... Coupled nonlinear stochastic differential equations 258 283 . Coupled stochastic differential equations 93 . ... Nonlinear delay equations 100 . Nonlinear equations 35 . ... Nonlinear stochastic operator equations 133 . ... Электронная библиотека попечительского совета мехмата МГУ , 2004-2016 . ...

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• Lifanov I.K., Poltavskii L.N., Vainikko G.M. - Hypersingular integral equations
• Samarskii A.A. - The Theory of Difference Schemes :: Электронная библиотека
• Esposito G. - Dirac Operators and Spectral Geometry :: Электронная библиотека

... Investigation of the stability of explicit finite difference-based lattice Boltzmann schemes" . ... It is shown for the case of equal time and space grid steps that the areas of the stability domains for the lattice Boltzmann equation are larger than for the cases of finite difference-based schemes. Keywords: kinetic schemes, lattice Boltzmann equation, finite difference-based lattice Boltzmann schemes, stability with respect to initial conditions, Neumann method, stability domain . ...

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• "On approximate open boundary conditions for the wave equation and the
• "Some general conditions for regularization of ill-posed variational problems"
• "Transferring the boundary conditions to the middle surface for the numerical

Achievements, Fields of Interest My fields of scientific interests mostly contain theory of semigroups of operators, cosine operator­function theory, differential equations in Banach spaces, numerical analysis in lin­ ear and semilinear differential equations in abstract spaces, approximation of the spectrum of operators. ... The stable and regular consistency of closed linear operators on general discretisation scheme for approximation of spectrum of operators are investigated. ... Gamma B regularly. ...

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• D. Orlovsky, S. Piskarev, R. Spigler. On approximation of inverse problems for
• W. Hackbusch, B.N. Khoromskij, S. Sauter, and E. Tyrtyshnikov. Use of tensor
• N.L. Gol'dman. Uniqueness classes in inverse problems for parabolic equations

The asymptotics of the eigenvalues of a fourth order differential operator with summable coefficients / S. I. Mitrokhin. Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika. 2009. ... The equation for eigenvalues is also studied and an asymptotics of the eigenvalues of the considered boundary value problem is obtained. Key words : differential operator, summable coefficients, asymptotics of solutions, asymptotics of eigenvalues, method of successive iterations. ...

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• Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika Вестник

... I mean the following Theorem If any local eld (x) is irreducible and [ (x), (y )] = B (x - y ), (1) then operator B (x) is multiple of unit operator, that is (x) is an asymptotic eld. ... Our result is most interesting in the case of noncommutative theory, precisely, in the case of space-space noncommutativity, in which time commutes with spatial variables and, as a consequence, one spatial variable, say x3, commutes with others. ... For simplicity we consider the case of neutral scalar elds. ...

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• http://qfthep.sinp.msu.ru/talks2015/1435258212_Krutov_Polezhaev_Troitsky1_2015.pdf
• http://qfthep.sinp.msu.ru/talks2013/POZDEEVAQFTHEP13.pdf
• http://qfthep.sinp.msu.ru/talks2013/Polezhaev.pdf

... Recently a wide class of nonlocal cosmological models based on the string field theory and the p -adic string theory attracts a lot of attention and are actively developed. ... The interest in cosmological models related to open string field theory is inspired by the possibility of obtaining solutions describing transitions from a perturbed vacuum to the true vacuum (rolling solutions). ... Vernov, Cosmological perturbations in SFT inspired nonlocal scalar field models , 2009, arXiv:0903.5176 . ...

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• calg:dubna07:abstracts [THEP]
• тЬО calg:dubna07:abstracts [THEP]

... This information is needed for description of interaction of atom and ion with charge particles and photons. ... The project calculations are based on variational method and wave function expansion in a linear combination of hydrogen - like functions with effective charges. wave function of atoms, wave function of ions, cross section calculations, helium-like, variational method, Hartree - Fock, excited states, ionization, single excitation, double ionization, double excitation . ...

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MATHEMATICAL MODELLING OF THE OPTIMAL MARKET OF COMPETING GOODS IN CONDITIONS OF DELIVERIES LAGS Poddubny V.V., Romanovich O.V. Tomsk State University, Russia, 634050, Tomsk, 36 Lenin av., TSU vvpoddubny@gmail.com 1 hjkm@ngs.ru The dynamic mathematical model of the market of the competing goods is considered at linear dependence of a vector of goods demand from a vector of their prices in conditions of delay of goods deliveries on the market. ...

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• http://www.mce.biophys.msu.ru/archive/doc15778/doc.pdf
• http://www.mce.biophys.msu.ru/archive/doc151432/eng.pdf
• http://www.mce.biophys.msu.ru/archive/doc15397/doc.pdf

... In this article we considerљcalculationљof discrete Laplacian for 1D arrays usingљpython/numpy/scipy. We introduceљthe sparse matrix technique that is rather efficient for computation of certain types of diffusion PDE. ... 1 комментарий " Constructing discrete Laplacian via sparse matrix " . Reaction-diffusion systems in 2D space with python ERG Research Group: Лаборатория теоретической биофизики написал (Январь 26th, 2016 2:13 пп) . ... Constructing discrete Laplacian via sparse matrix . ...

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• Reaction-diffusion systems in 2D space with python ERG Research Group:

Traditional methods, connected with use of one microphone as an input of speech signal into a computer, do not give us a high reliability of recognition. If signal-to-noise relation (SNR) is 0-6 dB, the probability of an error even in identification of speech activity using only one microphone in typical cases is not less than 10% (as experiments and literature data show). ... The far-positioned (third) microphone can be used to estimate the average level of an external noise. ...

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... Modification of epoxy resin by polyamiD acid: investigation of curing process. Abstract Processes of thermal curing in polymeric system epoxy resin-polyamic acid were investigated by high temperature infrared Fourier spectroscopy. ... Moscow University Chemistry Bulletin . 2011, Vol. ... 2, P. 122 . Copyright (C) Chemistry Dept., Moscow State University, 2002 . ... Copyright (C) Chemisty Department of Moscow State University . ... Web-design: Copyright (C) MIG and VVM . ...

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• Moscow University Chemistry Bulletin Vol. 50, No. 5, P. 369 (2009)
• Moscow University Chemistry Bulletin Vol. 56, No. 2, P. 59 (2015)
• Application of in situ MAS NMR for elucidation of reaction mechanisms in

... In Banach spaces it is considered nonlinear equation with complex bifurcational parameter and densely defined closed linear Fredholm operators, the nonlinear term is sufficiently smooth. Beginning with the first works (V.I.Yudovich (1967), B.V. Loginov and V.A. Trenogin (1971)) on the usage of group symmetry conditions for nonlinear equation the question about simultaneous reduction of branching equation (BEq) on unknowns and equations (truncation reduction) has remained open. ...

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... 9, 139 ­ 140 (2009) / DOI 10.1002/pamm.200910044 New cases of integrability in dynamics of a rigid body with the cone form of its shape interacting with a medium Maxim V. Shamolin 1 1 Institute Of Mechanics, Lomonosov Moscow State University, Michurinskii pr., ... We use the properties of body's motion in a medium under conditions of the jet flow past this body. ... The new families of phase portraits of variable dissipation systems are obtained, their absolute or relative roughness is demonstrated....

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• http://shamolin2.imec.msu.ru/art-136-1.pdf
• http://shamolin2.imec.msu.ru/art-133-1.pdf
• http://shamolin2.imec.msu.ru/art-134-1.pdf

... Formulation of the problem ­ angle about the mass center C IC = mR 2 ­ central moment of inertia m and R ­ mass and radius of the hula-hoop k ­ coefficient of viscous friction r ­ radius of the waist FT ­ friction force N ­ reaction force ­ angle between x and CO x = a sin t , IC m m Ё +k (R - (R - y = b cos t = -FT R r ) = m (x sin + y cos ) + FT Ё Ё Ё r ) 2 = m (x cos - y sin ) + N Ё Ё (R - r ) = R ­ non-slippage where constants 0 mod 2 are defined from + µ cos 0 = 0. ...

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• http://belyakov.imec.msu.ru/papers/Belyakov_Seyranian_6pages2011.pdf
• http://belyakov.imec.msu.ru/papers/PhysCon2005.pdf

... Our aim was to investigate the influence of weather conditions and prey on the leaf-trapping behaviour of insectivorous plant Drosera rotundifolia (Droseraceae) in the natural habitat. ... We propose that in natural undisturbed conditions changes of the leaf blade characteristics are casual and are augmented by the external factors such as relative air humidity, atmosphere pressure and presence of the prey on the leaf blade. ...

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• Insect catching and carnivorous plants

e-mail: viverhovin@yandex.ru ) , , , , , hyperinflation in Germany, inflationary expectations of the population, inflationary shock, liquidity schedule in conditions of hyperinflation, consequences of hyperinflation, social polarization in conditions of hyperinflation , 20 - . Models and stereotypes of economic behavior in conditions of the hyperinflation which has shaken Germany in 1920th years are considered in this article. ...

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• http://www.socio.msu.ru/vestnik/archive/2012/3/11.pdf

Next: Initial conditions Up: Old neutron star distribution Previous: Introduction . The problem to be solved is to find stationary space distribution of stars which have had certain initial space and velocity distributions and move in a given potential. ... In principle, the most straightforward way to obtain the solution is to integrate directly the equations of motion for a sufficiently large number of stars with different initial conditions. ... Then space density is given by . ...

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• Nomenclature
• Initial conditions
• Galactic potential

... J.K. Krylov . In the monography by R. Koehler [1] there was described a very interesting effect of the words' average length oscillation as a function of their frequency of use (according to the data from a representative frequency dictionary). ... In this context, further the Koehler's effect will be definied as polymodal character of the dependence of the conditioned average in cases of two-dimencional distributions of any linguistic nature. ...

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... Surface disturbance and deformat ion are shown in the same scale. Displac the free surface is much smoother as compared bottom deformations: init ial elevat ion has amplitude and spreads over a rather wide area. bottom theory, bottom ement of with the smaller F ­ velocity potential, H ­ depth, ­ vector of bottom deformation, 0 ­ initial elevation a . ... The init ial elevation assumed to be equal to the vertical bottom deformat ion (a); calculated with use of the Laplace smoothing algorithm (b). ...

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... Departments . ... om.cmc.msu.ru . ... The team of the Department of General Mathematics performs a fundamental research in different areas of the differential equationsт?? theory. ... Extended course on partial differential equations, 7th semester. ... Theory of nonlinear differential equations by Dr. Komarov. ... Nikitin A.A. On the existence and uniqueness of a generalized solution of the mixed problem for the wave equation with the second and third boundary conditions // Differential Equations. ...

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• Department of General Mathematics
• Department of Computational Methods | CMC MSU
• Department of Computational Methods