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 show the coexistence of chaotic behaviors (positive metric entropy) andelliptic behaviors (intregrable KAM island) among analytic, symplecticdiffeomorphism of any closed surface. In particilar this solves a problem by F.Przytycki (1982).

Coexistence of chaotic and elliptic behaviors among analytic, symplectic diffeomorphisms of any surface