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

a number of spheres of radius r so that their centers shall be on the rod and be suitably distributed on it; (4) finally to join by a rod the center of a sphere of radius r inside the frame with the center of a sphere of radius > r (it might as well be < r) and by a rod the center of the latter sphere with a sphere of radius r outside the frame, and, then, to locate a number of spheres so that the centers of some of them shall be on one of the rods and those of the rest on the other, the spheres on the former rod suitably increasing in size as their centers approach that of the sphere common to the two rods, whilst the spheres on the second rod suitably decrease in size as their centers recede from the common point of the rods. The model obviously enables one to distinguish by sight or by touch a sphere range representing a line of $4 that joins a point inside of an ordinary sphere to an outside point without penetrating the surface from a sphere range representing the case where penetration occurs.

A direct proof of the theorem that the number of terms in the expansion of an infinite determinant is of the same potency as the continuum