Precup Radu: Implicit elliptic equations via Krasnoselskii-Schaefer type theorems. (2020)
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Abstract
Existence of solutions to the Dirichlet problem for implicit elliptic equations is established by using Krasnoselskii–Schaefer type theorems owed to Burton–Kirk and Gao–Li–Zhang. The nonlinearity of the equations splits into two terms: one term depending on the state, its gradient and the elliptic principal part is Lipschitz continuous, and the other one only depending on the state and its gradient has a superlinear growth and satisfies a sign condition. Correspondingly, the associated operator is a sum of a contraction with a completely continuous mapping. The solutions are found in a ball of a Lebesgue space of a sufficiently large radius established by the method of a priori bounds.
| Item Type: | Journal |
|---|---|
| Publication full: | Electronic journal of qualitative theory of differential equations |
| Date: | 2020 |
| Number: | 87 |
| ISSN: | 1417-3875 |
| Number of Pages: | 9 |
| Language: | English |
| DOI: | 10.14232/ejqtde.2020.1.87 |
| Uncontrolled Keywords: | Differenciálegyenlet |
| Additional Information: | Bibliogr.: p. 8-9. ; összefoglalás angol nyelven |
| Date Deposited: | 2021. Nov. 05. 15:24 |
| Last Modified: | 2021. Nov. 05. 15:24 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/73648 |
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