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48 322 results (0,25s) •

Result

Existence of weak solutions to doubly degenerate diffusion equations

of functions with values in a Banach space appropriate for doubly nonlinear evolutionWe prove existence of weak solutions to doubly degenerate diffusion equations domains and general nonlinearities

BA - Obecná matematika

  • 2012
    • •
  • Jx
Result

On doubly nonlinear evolution equations with non-potential or dynamic relation between the state variables

In this note, after a review of results about abstract doubly nonlinear evolution equations ddtBu+Au=f with non-potential operators B, we consider systems of doubly nonlinear reaction–diffusion

Pure mathematics

  • 2017
    • •
  • Jimp
    • •
  • 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...

BA - Obecná matematika

  • 2012
    • •
  • Jx
    • •
  • Link
Result

Nonlinear filtering in spatio-temporal doubly stochastic point processes driven by OU processes

Doubly stochastic point processes driven by non-Gaussian processes of Ornstein-Uhlenbeck type are studied. In the spatio-temporal case a filtering equation for the conditional mean is derived....

BA - Obecná matematika

  • 2006
    • •
  • Jx
Result

Nonlinear filtration in doubly stochastic point processes

Cox point processes driven by Ornstein-Uhlenbeck process and corresponding stochastic differential equations for nonlinear filtration are studied....

BA - Obecná matematika

  • 2005
    • •
  • 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
    • •
  • Jx
Result

Some Properties of Strong Solutions to Nonlinear Heat and Moisture Transport in Multi-layer Porous Structures

The present paper deals with mathematical models of heat and moisture transport in layered building envelopes. The study of such processes generates a system of two doubly nonlinear evolution partial differential equati...

BA - Obecná matematika

  • 2012
    • •
  • Jx
    • •
  • Link
Result

A reverse Holder inequality for the gradient of solutions to Trudinger's equation

We provide a higher integrability result for the gradient of positive solutions to Trudinger's equation (also known as the doubly nonlinear equation) for the range p is an element of [2, infinity). The estimat...

Pure mathematics

  • 2022
    • •
  • Jimp
    • •
  • Link
Result

Finite Volume Evolution Galerkin Methods for Nonlinear Hyperbolic Systems

We present new truly multidimensional schemes of higher order within the framework of finite volume evolution Galerkin (FVEG) methods for systems of nonlinear hyperbolic conservation laws. These methods couple a finite volume formul...

BA - Obecná matematika

  • 2002
    • •
  • Jx
Result

Rate-independent processes in viscous solids at small strains

The so-called generalized standard solids (of Halphen-Nguyen type) involving also activated typically rate-independent processes such as plasticity, damage, or phase transformations are described as a system of a momentum equilibrium equation

BM - Fyzika pevných látek a magnetismus

  • 2009
    • •
  • Jx
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