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Interior estimates for singularly perturbed problems - MaRDI portal

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Interior estimates for singularly perturbed problems (Q759902)

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scientific article; zbMATH DE number 3882831
Language Label Description Also known as
English
Interior estimates for singularly perturbed problems
scientific article; zbMATH DE number 3882831

    Statements

    Interior estimates for singularly perturbed problems (English)
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    1984
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    Der Autor untersucht das folgende singulär gestörte Randwertproblem in einem Gebiet \(G\subset {\mathbb{R}}^ n:\) \(\epsilon L_ 1u_{\epsilon}+L_ 0u_{\epsilon}=h,\) \(x\in G\); \(D^{\gamma}u_{\epsilon}=0,\) \(x\in \partial G\), \(| \gamma | \leq m-1\) wobei \(L_ 1\) die Ordnung 2m hat. Es wird gezeigt, daß die Lösung \(u_{\epsilon}\) außerhalb der Grenzschicht gleichmäßig gegen die Lösung \(u_{\epsilon}\) des reduzierten Problems konvergiert. Dabei wird die klassische Methode zur Konstruktion von Grenzschichtfunktionen nicht verwendet, und nicht-glatte Ränder sind zugelassen.
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    interior estimates
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    singularly perturbed problems
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    boundary layer
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    convergence
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    Identifiers