Imbedding of any vector field in a scalar semilinear parabolic equation
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- by P. Poláčik PDF
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Abstract:
The scalar semilinear parabolic equation \[ {u_t} = \Delta u + f(x,u,\nabla u),\quad x \in \Omega ,\quad t > 0,\] on a smooth bounded convex domain $\Omega \subset {\mathbb {R}^N}$ under Neumann boundary condition (2) \[ \quad \frac {{\partial u}}{{\partial [unk]}} = 0\quad {\text {on }}\partial \Omega \] is considered. For any prescribed vector field $H$ on ${\mathbb {R}^N}$, a function $f$ is found such that the flow of (1), (2) has an invariant $N$-dimensional subspace and the vector field generating the flow of (1), (2) on this invariant subspace coincides, in appropriate coordinates, with $H$.References
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Additional Information
- © Copyright 1992 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 115 (1992), 1001-1008
- MSC: Primary 35K60
- DOI: https://doi.org/10.1090/S0002-9939-1992-1089411-7
- MathSciNet review: 1089411