نتایج جستجو برای: stochasic evolution equations

تعداد نتایج: 566519  

Journal: :bulletin of the iranian mathematical society 2016
e. salavati b. zangeneh

semilinear stochastic evolution equations with multiplicative l'evy noise are considered‎. ‎the drift term is assumed to be monotone nonlinear and with linear growth‎. ‎unlike other similar works‎, ‎we do not impose coercivity conditions on coefficients‎. ‎we establish the continuous dependence of the mild solution with respect to initial conditions and also on coefficients. ‎as corollaries of ...

Journal: :bulletin of the iranian mathematical society 0
e. salavati department of‎ ‎mathematical sciences, sharif university of technology‎, ‎p.o. box 11365-11155, tehran‎, ‎iran. b. zangeneh department of‎ ‎mathematical sciences, sharif university of technology‎, ‎p.o. box 11365-11155, tehran‎, ‎iran.

semilinear stochastic evolution equations with multiplicative l'evy noise are considered‎. ‎the drift term is assumed to be monotone nonlinear and with linear growth‎. ‎unlike other similar works‎, ‎we do not impose coercivity conditions on coefficients‎. ‎we establish the continuous dependence of the mild solution with respect to initial conditions and also on coefficients. ‎as corollarie...

2008
Julio Goez James Luedtke Deepak Rajan Jayant Kalagnanam

The unit commitment problem is to find the production scheduling of a set of electric power generating units, and the generation levels for each unit, over a short term, typically from 24 hours to one week. The objective is to find the optimal schedule which meets the energy demand forecast at a minimum cost, and satisfy technological constraints such as the minimum up and down times for the un...

آی. آر. دورانی, , ام. شریف, , زد. آر. باتی, ,

  Here we concern ouraelves with the derivation of a system of evolution equations for slowly varying amplitude of a baroclinic wave packet. The self-induced transparency, Sine-Gordon, and nonlinear Schrodinger equations, all of which possess soliton solutions, each arise for different inviscid limits. The presence of viscosity, however, alters the form of the evolution equations and changes th...

2011
MICHAEL J. FOX GEORGIOS PILIOURAS

We analyze a novel model of the co-evolution of linguistic community structure and language. Intuitively, agents want to communicate well with others in their linguistic community, and similarly, linguistic communities consist of those agents that can communicate effectively amongst themselves. Absent the effects of comunity structure, the model suffers from poor efficiency in the medium-run. O...

Journal: :international journal of mathematical modelling and computations 0
a. k. dhar joydev mondal iiest,westbengal,india india iiest,mathematics,shibpur,westbengal, india

asymptotically exact and nonlocal third order nonlinear evolution equations are derivedfor two counterpropagating surface capillary gravity wave packets in deep water in thepresence of wind flowing over water.from these evolution equations stability analysis ismade for a uniform standing surface capillary gravity wave trains for longitudinal perturbation. instability condition is obtained and g...

A. K. Dhar Joydev Mondal

Asymptotically exact and nonlocal third order nonlinear evolution equations are derivedfor two counterpropagating surface capillary gravity wave packets in deep water in thepresence of wind flowing over water.From these evolution equations stability analysis ismade for a uniform standing surface capillary gravity wave trains for longitudinal perturbation. Instability condition is obtained and g...

J. Mondal K. Dhar

Asymptotically exact and nonlocal fourth order nonlinear evolution equations are derived for two coupled fourth order nonlinear evolution equations have been derived in deep water for two capillary-gravity wave packets propagating in the same direction in the presence of wind flowing over water.We have used a general method, based on Zakharov integral equation.On the basis of these evolution eq...

Journal: :فیزیک زمین و فضا 0
سرمد قادر دانشیار، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران عباسعلی علی اکبری بیدختی استاد، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران سعید فلاحت دانش آموخته کارشناسی ارشد، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران

this work reports the results of the application of the second-order maccormack method for numerical solution of‎ the conservative form of two-dimensional non-hydrostatic and fully compressible navier-stokes equations governing an inviscid and adiabatic atmosphere‎. various aspects of the computational approach such as discretization of the governing equations for the interior and boundary poin...

In terms of observational data, there are some problems in the standard Big Bang cosmological model. Inflation era, early accelerated phase of the evolution of the universe, can successfully solve these problems. The inflation epoch can be explained by scalar inflaton field. The evolution of this field is presented by a non-linear differential equation. This equation is considered in FLRW model...

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