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42 469 (0,193s) •

Result

Continuous Semigroups and Evolution Equations

Survey of main results in semigroup theory and their applications to evolution equations mostly of parabolic type.

BA - Obecná matematika

  • 2001
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  • D
Result

Observations on a nonlinear evolution equation

We investigate a nonlinear degenerate parabolic equation that is suggested by various numerical approaches to image enhancement.

BA - Obecná matematika

  • 2006
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  • Jx
Result

Clear-Air Propagation Modeling Using Parabolic Equation Method

The measurement of refractivity was carried out on the TV Tower Prague to access evolution of a refractivity profile. The parabolic equation method is used in modelling propagation of microwaves when using the measured data...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2003
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  • Jx
Result

Finite-dimensional global attractors for parabolic nonlinear equations with state-dependent delay

We deal with a class of parabolic nonlinear evolution equations with state-dependent delay. This class covers several important PDE models arising in biology. We in time. Thisallows us to show that the model considered gene...

BC - Teorie a systémy řízení

  • 2015
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  • Jx
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  • Link
Result

Strong Solutions of Doubly Nonlinear Parabolic Equations

The aim of this article is to discuss strong solutions of doubly nonlinear parabolic equations ?Bu/?t+Au=f, where A:X?X^? and B:Y?Y^? are operators satisfying standard assumptions on boundedness, coercivity and monotonicity. Six dif...

BA - Obecná matematika

  • 2012
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  • Jx
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  • Link
Result

Parabolic partial differential equations with discrete state-dependent delay: Classical solutions and solution manifold

Classical solutions to PDEs with discrete state-dependent delay are studied. We prove the well-posedness in a set XF which is analogous to the solution manifold used for ordinary differential equations with statedependent delay. We prove tha...

BC - Teorie a systémy řízení

  • 2016
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  • Jx
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  • Link
Result

Analysis of a viscosity model for concentrated polymers

, which involves the coupling of the Navier-Stokes equations for a viscous, incompressible, constant-density fluid with a parabolic-hyperbolic integro-differential equation describing the evolution of the polymer d...

BA - Obecná matematika

  • 2016
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  • Jx
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  • Link
Result

Almost periodic evolution systems with impulse action at state-dependent moments

We study the existence of almost periodic solutions for semi-linear abstract parabolic evolution equations with impulse action at state-dependent moments. In particular, we present conditions excluding the beating phenomeno...

Applied mathematics

  • 2017
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  • Jimp
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  • Link
Result

Convergence to stationary solutions for a parabolic-hyperbolic phase-field system

A parabolic-hyperbolic nonconserved phase-field model is here analyzed. This is an evolution system consisting of a parabolic equation for the relative temperature .theta. which is nonlinearly coupled with a semili...

BA - Obecná matematika

  • 2006
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  • Jx
Result

QUALITATIVE AND NUMERICAL ASPECTS OF A MOTION OF A FAMILY OF INTERACTING CURVES IN SPACE

In this article we investigate a system of geometric evolution equations solutions to the governing system of nonlinear parabolic equations. Using the finite system of nonlinear parabolic equations

Applied mathematics

  • 2022
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  • Jimp
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