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 prove that there is no polynomial $p(\cdot)$ with the property that amatroid $M$ can be determined to be either a lifted-graphic or frame matroidusing at most $p(|M|)$ rank evaluations. This resolves two conjectures ofGeelen, Gerards and Whittle (Quasi-graphic matroids, arXiv:1512.03005v1).

On recognising frame and lifted-graphic matroids