Quasilinear Schrödinger equations : ground state and infinitely many normalized solutions
نویسندگان
چکیده
In the present paper, we study normalized solutions for following quasilinear Schr\"odinger equations: $$-\Delta u-u\Delta u^2+\lambda u=|u|^{p-2}u \quad \text{in}~\mathbb R^N,$$ with prescribed mass $$\int_{\mathbb R^N} u^2=a^2.$$ We first consider mass-supercritical case $p>4+\frac{4}{N}$, which has not been studied before. By using a perturbation method, succeed to prove existence of ground state solutions, and by applying index theory, obtain infinitely many solutions. Then turn mass-critical case, i.e., $p=4+\frac{4}{N}$, some new results. Moreover, also observe concentration behavior
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ژورنال
عنوان ژورنال: Pacific Journal of Mathematics
سال: 2023
ISSN: ['1945-5844', '0030-8730']
DOI: https://doi.org/10.2140/pjm.2023.322.99