... 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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A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

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• IDL programs

... 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-133-1.pdf
• http://shamolin2.imec.msu.ru/art-102.pdf
• http://shamolin2.imec.msu.ru/art-185-2.pdf

NAME: Iofa Mikhail Zinovievich. ... Examined BRST Ward Identities (WI) in path-integral and operator approaches to string theory and related problems. In the case of the standard conformal gauge, in path-integral approach, on string world sheets of higher genus, by direct calculation the WI were shown to be anomalous, the anomaly being due to noninvariance of the integration domain over the antighosts and auxiliary fields under the BRST transformations. ... iofa@theory.npi.msu.su ...

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• Gauge fixing terms.

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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• Новое учебное пособие по тектонофизике: ВВЕДЕНИЕ В ТЕКТОНОФИЗИКУ, Авторы: М. А.
• The influence of boundary layer effects on the melt inclusions compositions.

NONPERTURBATIVE QUANTIZATION OF NON-ABELIAN GAUGE THEORIES. ... The gauge invariance of the Higgs mo del allows to give a manifestly renormalizable theory describing a massive gauge theory. ... A very nontrivial generalization is obtained if further shifting the fields by constants. ... Higgs mo del. ... In the Higgs mo del one starts with the Lagrangian L = LY M + (Dµ)(Dµ) - 2( - µ2)2 (15) After the shift = + µ, µ = {0, µ} a, a = 1, 2, 3 b ecomes a ^ ^ gauge field:a a + µ a(x) + . ...

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• http://nuclphys.sinp.msu.ru/conf/epp10/Galtsov.pdf
• http://nuclphys.sinp.msu.ru/conf/epp10/Burinskii.pdf
• http://nuclphys.sinp.msu.ru/school/s08/s08_47.pdf

Excitation of wave field in a triangle with impedance boundary Andrey V.Shanin Introduction Here we consider the problem of excitation of wave field in equilateral triangular area with impedance boundary conditions. ... Fourier transform of the field on the boundary is the unknown function of this equation. ... Boundary conditions have the impedance form u - iuk0 sin = , n (2) where sin is a parameter, and are known functions that correspond to forces on the boundary. ...

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• http://acoustics.phys.msu.su/teachers/shanin_files/~shanin/papers/pseudodif.pdf
• http://acoustics.phys.msu.su/teachers/shanin_files/~shanin/papers/cone_asymptotics.pdf
• http://acoustics.phys.msu.su/teachers/shanin_files/~shanin/papers/weinstein2_eng.pdf

... Block DNA GyrB" shows the score of pairs Lys|Lys, Lys|Arg and Lys|Ser respectively, from a block constituted by amino acid sequences from the same protein (DNAGyraseB), but from different organisms, for example GYRB_ECOLI, GYRB_YERPE (yeast), GYRB_HEINE, GYRB_MUSC (mouse). Block 200 illustrates the score of these pairs from 200 different blocks constituted by sequences from differnet organisms. ... Between the values of single BLock the differences are smaller than between the values of Blosum62. ...

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• http://kodomo.cmm.msu.su/FBB/StudentScience/themes_2006/Rakhmaninova.doc

Biochemical analysis of the metabolism of small rodents living in different radioecological conditions . ... The initial differences of metabolism and their modification under the conditions of radioactive pollution of the environment are presented on the basis of the complex of biochemical parameters of two ecologically different species of small rodents ( Apodemus uralensis and Myodes rutilus ). ...

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• Russian Journal of Theriology
• Epigenetic variation of the common shrew, Sorex araneus, in different habitats
• Circadian activity rhythms of dwarf hamsters (Phodopus spp.) under laboratory

... Correlation graph showing connections between independent components computed for 22 datasets collecting tumor sample transcriptomes in various types of cancer (6671 tumor samp les are considered altogether in all datasets). ... We've made particular effort to understand the meaning of the components for one particular dataset for bladder cancer, produced at Institut Curie (CIT bladder cancer dataset, where CIT stands for Identitity Card of a Tumor in French) [3]. ... Cell Reports 9(4), 1235­1245. ...

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• http://mccmb.belozersky.msu.ru/2015/proceedings/abstracts/141.pdf
• http://mccmb.belozersky.msu.ru/2013/abstracts/abstracts/217.pdf
• http://mccmb.belozersky.msu.ru/2015/proceedings/abstracts/66.pdf

... The free energy of the nanostructured solution in this regime can be split into "long-range" elastic contribution of strongly stretched blocks (the end-to-end distance larger than that of the single chain in the solution), Fel, "short-range" entropic loses of the chains because of inhomogeneous monomer density at the interfaces, Finh, and the energy of interactions of monomer units and the solvent molecules, Fint. ... The solvent is non-selective for the blocks. ...

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• PSMTLab - Polyelectrolytes

... Goals and Tasks . ... General classification of social structures in ants was developed, and the main types of temporal and constant social structures, as well as the ways of their formation and restructuring were determined. ... On the basis of comparative morphological and functional analysis of the wings of Coleopterans , the original theory of beetle wings evolution was grounded. ... One of the main research objects . ...

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• Laboratories: Group for Bioinformatics and Modeling Biological Process: Results
• Laboratories: Group for Bioinformatics and Modeling Biological Process:
• Laboratories: Laboratory for behavior and behavior ecology of mammals: Goals

... DYNAMIC OF RHEOLOGICALY STRATIFIED LITHOSPHERE UNDER CONTINENTAL COLLISION. Electronic version of Ph.D. thesis . ... Purpose of work - constructing of quantitative model of mechanical and thermal processes occurring in the lithosphere, having simplified 3-layers construction (rigid upper, plastic lower crust, rigid mantle lithosphere), under continental collision. ... Stress t xz and strain rate in lower crust, calculated from model M1. a)5 m.y.; b)20 m.y. from the beginning of collision. ...

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... Further we suppose that = b=1, =1.2, =1.Due to the symmetry of the system there are two nonlinear normal modes: in-phase (u2=u1) and out-ofphase(u1=-u2). We suppose that initial conditions correspond to excitation of one of Van-der Pol oscillators only that is far from the conditions providing an excitation of both nonlinear normal modes. ... Conclusion: It is shown that the system of weakly coupled Van-der-Pol oscillators demonstrates (in a certain range of parameters) an attractor-like behavior. ...

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• http://www.mce.biophys.msu.ru/archive/doc57377/doc.pdf
• http://www.mce.biophys.msu.ru/archive/doc15759/eng.pdf
• http://www.mce.biophys.msu.ru/archive/doc153984/eng.pdf

NOUNS AND VERBS IN RUSSIAN SIGN LANGUAGE: PHONOLOGY AND LEXICON. ... They proposed that verbs and nouns in ASL constitute derivational pairs: a verb and a corresponding noun are derived from the underspecified underlying form by adding restrained manner and repetition to the noun and by adding simple or repeated movement to the verb. ... Johnston also marked that even when mouthing is used with verbs, the corresponding noun is mouthed (i.e. signing `fly in plane' while mouthing plane). ...

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• http://www.philol.msu.ru/~rkigf/P_Objavlenija/Konferencii/Konferencii_2009/2009_11_Perm_angl.doc
• http://www.philol.msu.ru/~otipl/new/mscl/abstracts/oskolskaya.pdf
• http://www.philol.msu.ru/~otipl/SpeechGroup/publications/domod_96.doc

... SDPfox - the software package for the prediction of functional specificity groups and amino acid residues that determine the specificity using MPA. ... Amino acid residues that determine differences in protein functional specificity and account for correct recognition of interaction partners, are usually thought to correspond to those positions of a protein multiple alignment, where the distribution of amino acids is closely associated with grouping of proteins by specificity. ...

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• SDPsite - Algorithm Format requirements
• SDPpred

T03-P12 STUDY OF IRON SPECIATION IN HUMIC-BASED IRON FERTILIZERS USING MжSSBAUER SPECTROSCOPY T.Sorkina1, D.Pankratov1, O.Philippova2, N.Kulikova2, Yu.Perfiliev1, I.Perminova1 2 Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia Department of Soil Science, Lomonosov Moscow State University, Moscow, Russia bioavailable and have similar chemical surrounding as chelated iron. ... Iron humates were obtained using potassium humate of leonardite and iron sulfate under pH control. ...

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• http://www.mgumus.chem.msu.ru/publication/2008/2008-nikolaev-development.pdf
• MGUMUS -- Researches

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

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... 1, March 2008 (© 2007) DOI: 10.1007/s10884-007-9070-5 Hyperbolicity singularities in Rarefaction Waves Alexei A. Mailybaev 1,3 and Dan Marchesin 2 Received March 7, 2005; Revised March 20, 2006 For mixed-type systems of conservation laws, rarefaction waves may contain states at the boundary of the elliptic region, where two characteristic speeds coincide, and the Lax family of the wave changes. ... In these models, rarefaction curves typically contain a point at the boundary of the elliptic region. ...

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• http://mailybaev.imec.msu.ru/papers/MailybaevSeyranian2000.pdf
• http://mailybaev.imec.msu.ru/papers/MailybaevEtAl2004.pdf
• http://mailybaev.imec.msu.ru/papers/SeyranianMailybaev2001.pdf

... 74, No. 9, 2001, pp. ... Oscillating Gap 2p Pulse in Resonantly Absorbing Lattice B. I. Mantsyzov* and R. A. Sil'nikov Department of Physics, Moscow State University, Vorob'evy gory, Moscow, 119899 Russia *e-mail: mants@genphys.phys.msu.su Received August 2, 2001; in final form, September 26, 2001 The interaction of a laser pulse with resonant Bragg lattice is studied theoretically for arbitrary initial conditions on the field, inverse population, and polarization of a medium. ...

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• http://genphys.phys.msu.su/rus/sci/photonics/PDF/7.pdf
• http://genphys.phys.msu.su/rus/sci/photonics/PDF/4(en).pdf
• http://genphys.phys.msu.su/rus/sci/photonics/PDF/5.pdf