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 introduce the notion of a coloring of a poset, which consists of alabeling of the edges in its Hasse diagram by elements in a given group $G$. Weuse $G$-colorings to describe the covering maps of posets and present a newmethod based on colorings to obtain concrete and simple presentations of thefundamental group of polyhedra.

$G$-colorings of posets, coverings and presentations of the fundamental group