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

Let F be a saturated formation of soluble Leibniz algebras. Let K be anF-projector and A/B a chief factor of the soluble Leibniz algebra L. It iswell-known that if A/B is F-central, then K covers A/B. I prove the converse:if K covers A/B, then A/B is F-central.

Chief factors covered by projectors of soluble Leibniz algebras