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 Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Let M be a compact 3-dimensional totally umbilical CR-submanifold of a Kaehlermanifold of positive holomorphic sectional curvature. We prove that if the length of the meancurvature vector of M does not vanish, then M is either diffeomorphic to S3 or RP3 or a lens spaceLp,q3

international journal of mathematics and mathematical sciences

On totally umbilical<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$CR$"><mml:mi>C</mml:mi><mml:mi>R</mml:mi></mml:math>-submanifolds of a Kaehler manifold

On totally umbilicalCR-submanifolds of a Kaehler manifold