Hölder estimates for the regular component of the solution to a singularly perturbed convection-diffusion equation
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 57 (2017) no. 12, pp. 1983-2020

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In a half-plane, a homogeneous Dirichlet boundary value problem for an inhomogeneous singularly perturbed convection-diffusion equation with constant coefficients and convection directed orthogonally away from the boundary of the half-plane is considered. Assuming that the right-hand side of the equation belongs to the space $C^\lambda$, $0\lambda1$, and the solution is bounded at infinity, an unimprovable estimate of the solution is obtained in a corresponding Hölder norm (anisotropic with respect to a small parameter).
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     author = {V. B. Andreev},
     title = {H\"older estimates for the regular component of the solution to a singularly perturbed convection-diffusion equation},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1983--2020},
     publisher = {mathdoc},
     volume = {57},
     number = {12},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2017_57_12_a4/}
}
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V. B. Andreev. Hölder estimates for the regular component of the solution to a singularly perturbed convection-diffusion equation. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 57 (2017) no. 12, pp. 1983-2020. http://geodesic.mathdoc.fr/item/ZVMMF_2017_57_12_a4/