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On Asymptotic Properties of Solutions of Diffusion Equations

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Abstract

In this work the authors study the conditions for the existence of diffusion equations

$$\partial _t u\left( {x,t} \right) = 3DA\left( {x,\partial x} \right)u\left( {x,t} \right) + f\left( u \right),A\left( {x,\partial x} \right) \equiv \sum\limits_{i,j = 3D1}^n {\partial _{xj} \left( {a_{ij} \left( x \right)\partial _{xi} } \right)}$$

in the cylinder Q = 3DΩ × \(\mathbb{R}\) +, Ω ⊂ \(\mathbb{R}\) n, satisfying the homogeneous Dirichlet or Neumann conditions on the side boundary of the cylinder Q and decreasing with respect to t as a power for t → ∞.

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Bagirov, L.A., Kondratiev, V.A. On Asymptotic Properties of Solutions of Diffusion Equations. Journal of Mathematical Sciences 114, 1407–1428 (2003). https://doi.org/10.1023/A:1022296627332

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