@Article{Li2025, author = "Li, Chun and Mugnai, Dimitri and Zhao, Tai-Jin", title = "Nontrivial solutions for Neumann fractional p-Laplacian problems", journal = "Opuscula Math.", year = "2025", volume = "45", number = "5", pages = "623--645", doi = "https://doi.org/10.7494/OpMath.2025.45.5.623", url = "https://doi.org/10.7494/OpMath.2025.45.5.623", abstract = "In this paper, we investigate some classes of Neumann fractional \(p\)-Laplacian problems. We prove the existence and multiplicity of nontrivial solutions for several different nonlinearities, by using variational methods and critical point theory based on cohomological linking.", keywords = "fractional \(p\)-Laplacian, Neumann boundary condition, linking over cones", issn = "1232-9274" }