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On the iterative and minimizing sequences for semilinear elliptic equations. II (Q1922237)

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scientific article; zbMATH DE number 927217
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English
On the iterative and minimizing sequences for semilinear elliptic equations. II
scientific article; zbMATH DE number 927217

    Statements

    On the iterative and minimizing sequences for semilinear elliptic equations. II (English)
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    21 April 1997
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    Les auteurs continuent leur précédente recherche [ibid. 12, No. 2, 309-326 (1995; Zbl 0842.35004)] sur la solution numérique de l'équation elliptique semilinéaire (1) \(-\Delta u= f(u)\) dans \(\Omega\), avec la condition (2) \(u=0\) sur \(\partial \Omega\), où \(\Omega\) est un domaine polygonal à deux dimension. Nous remarquons le théorème (1.1) sur la construction d'une succession, qui a une sous-succession convergente en \(H^1(\Omega) \cap L^\infty (\Omega)\) à une solution instable du problème (1)--(2), où \(H^1 (\Omega)= W^{1,2} (\Omega)\) est l'espace de Sobolev.
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    polygonal domain
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    instable solution
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