Qingfang Wang

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math.AP2026

Infinitely many multi-peaks solutions for a nonlinear Hartree system

Qihan He, Qingfang Wang

In this paper, we study the following nonlinear Hartree system: $- I^ u_{i} + V_{i} (x) u_{i} = I^¼_{i} I ¨ _{u_{i}} u_{i} + \sum_{j \neq = i} I^_{ij}^{2} I ¨ _{u_{j}} u_{i}$ for $x \in R^{3}$ , with $u_i\in H^1(…

math.AP2026

Infinitely many new solutions for a nonlinear coupled SchrÃ¶dinger system

Qingfang Wang, Mingxue Zhai

We revisit the following nonlinear SchrÃ¶dinger system \begin{align*}\begin{cases} -Îµ^{2}Îu +P(x) u= Î¼_1 u^3 +Î²uv^2, &~\text{in}\;\mathbb {R}^3,\\ -Îµ^{2}Îv+Q(x) v= Î¼_2 v^3 +…