Tong Yonghui; Guo Hui; Figueiredo Giovany M.: Ground state sign-changing solutions and infinitely many solutions for fractional logarithmic Schrödinger equations in bounded domains. (2021)
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We consider a class of fractional logarithmic Schrödinger equation in bounded domains. First, by means of the constraint variational method, quantitative deformation lemma and some new inequalities, the positive ground state solutions and ground state sign-changing solutions are obtained. These inequalities are derived from the special properties of fractional logarithmic equations and are critical for us to obtain our main results. Moreover, we show that the energy of any sign-changing solution is strictly larger than twice the ground state energy. Finally, we obtain that the equation has infinitely many nontrivial solutions. Our result complements the existing ones to fractional Schrödinger problems when the nonlinearity is sign-changing and satisfies neither the monotonicity condition nor Ambrosetti–Rabinowitz condition.
| Mű típusa: | Folyóirat |
|---|---|
| Folyóirat/könyv/kiadvány címe: | Electronic journal of qualitative theory of differential equations |
| Dátum: | 2021 |
| Szám: | 70 |
| ISSN: | 1417-3875 |
| Oldalszám: | 14 |
| Nyelv: | angol |
| DOI: | 10.14232/ejqtde.2021.1.70 |
| Kulcsszavak: | Differenciálegyenlet, Schrödinger-egyenlet |
| Megjegyzések: | Bibliogr.: p. 12-14. ; összefoglalás angol nyelven |
| Feltöltés dátuma: | 2021. nov. 11. 10:42 |
| Utolsó módosítás: | 2021. nov. 11. 10:42 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/73722 |
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