collaborators

6 papers

math.AP2025

Existence and regularity of weak solutions for mixed local and nonlocal semilinear elliptic equations

Fuwei Cheng, Xifeng Su, Jiwen Zhang

We study the existence, multiplicity and regularity results of weak solutions for the Dirichlet problem of a semi-linear elliptic equation driven by the mixture of the usual Laplac…

math.AP2025

Multiple solutions for elliptic equations driven by higher order fractional Laplacian

Fuwei Cheng, Xifeng Su, Jiwen Zhang

We consider an elliptic partial differential equation driven by higher order fractional Laplacian , with homogeneous Dirichlet boundary condition \begin{eq…

math.AP2025

Concentration phenomena for a mixed local/nonlocal Schrödinger equation with Dirichlet datum

Serena Dipierro, Xifeng Su, Enrico Valdinoci +1

We consider the mixed local/nonlocal semilinear equation \begin{equation*} -ε^{2}Δu +ε^{2s}(-Δ)^s u +u=u^p\qquad \text{in } Ω \end{equation*} with zero Dirichlet datum, where…

math.AP2024

Uniqueness and Nondegeneracy of ground states of $ -Δu + (-Δ)^s u+u = u^{p+1} \quad \hbox{in $\mathbb{R}^n$}$ when is close to and

Xifeng Su, Chengxiang Zhang, Jiwen Zhang

We are concerned with the mixed local/nonlocal Schrödinger equation \begin{equation} - Δu + (-Δ)^s u+u = u^{p+1} \quad \hbox{in ,} \end{equation} for arbitrary spa…

math.AP2024

Qualitative properties of positive solutions of a mixed order nonlinear Schrödinger equation

Serena Dipierro, Xifeng Su, Enrico Valdinoci +1

In this paper, we deal with the following mixed local/nonlocal Schrödinger equation \begin{equation*} \left\{ \begin{array}{ll} - Δu + (-Δ)^s u+u = u^p \quad \hbox{in $\mathbb{R…

math.AP2024

On some regularity properties of mixed local and nonlocal elliptic equations

Xifeng Su, Enrico Valdinoci, Yuanhong Wei +1

This article is concerned with ``up to -regularity results'' about a mixed local-nonlocal nonlinear elliptic equation which is driven by the superposition of Laplacian a…