English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

We consider the Neumann problem for the equation -Δu - λu = Q(x)|u|u, u ∈ H(Ω), where Q is a positive and continuous coefficient on Ω and λ is a parameter between two consecutive eigenvalues λ and λ. Applying a min-max principle based on topological linking we prove the existence of a solution.

On the nonlinear Neumann problem at resonance with critical Sobolev nonlinearity