... On a Classification of Orbits for Cubic Differential Systems . M.Popa, E.Naidenova (Academy of Sciences, Institute of Mathematics and Computer Sciences, Kishinev, Moldova) . ... We consider a two-dimensional system of differential equations of the first order with polynomial right . ... Using the methods described in [1] the complete classification of orbits for linear representation of the group of rotations and Lorentz group in the space of coefficients of the cubic differential system is done. ...

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• Modern Group Analysis (MOGRAN 9)
• AUTHOR : Naidenova E
• AUTHOR : Safstrom N

... 4) Percolation probability: [pic] , where L is linear size of lattice. ... The presence of obstacles in a system leads to: - increase of the critical concentration value; this effect grows with increase of the full area of obstacles and falls with increase of the linear size of ones. - increase of the critical exponent ( value; this effect increase with growth both of linear size of obstacles and of their full area. - increase of the growth rate of ...

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• http://acat02.sinp.msu.ru/presentations/huhlaev/Metamake.doc
• http://acat02.sinp.msu.ru/page0.html
• http://acat02.sinp.msu.ru/presentations/morhac/ACAT2002_Morhac_ID142.pdf

... Basic statement: "Mathematics is much clever, than Mathematician" It means, that after the scientist or engineer developed new mathematical model and designed corresponding equations, the solution to these equations produces new information unpredictable for the author! ... This vibration excites the shear wave in tissue 2 sx 2 - (ct + ) s x = Fx 2 t t Studies in Fluid Dynamics of water jet are connected with two main problems: 1. Flows in contracting nozzle forming high-speed jet. ...

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• A.V.Shanin

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• Hotel "69 Parallel" - Main
• Hotel "69 Parallel" - About hotel

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