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/

Zendy Plus

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

Zendy Tools

Zendy Open

We consider convex solutions of nonlinear elliptic equations which satisfythe structure condition of Bian-Guan. We prove a weak Harnack inequality forthe eigenvalues of the Hessian of these solutions. This can be viewed as aquantitative version of the constant rank theorem.

Weak Harnack inequalities for eigenvalues and constant rank theorems