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 Tools annual

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 monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

It has been remarked in [1] that the pair (A, A) has seminormal structure if and only if A has normal structure in the sense of Brodskĭi and Mil’man [2]. We revise this remark as follows. If the pair (A, A) has seminormal structure, then A has normal structure in the sense of Brodskĭi and Mil’man. Indeed, if the set A has normal structure, then (A, A) may not have seminormal structure. We illustrate this with the following example.

Erratum to “Seminormal Structure and Fixed Points of Cyclic Relatively Nonexpansive Mappings”