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

Let $UT_4(F)$ be $4\times 4$ upper triangular matrix algebra over a field $F$of characteristic zero and let $\mathcal{A}$ be the subalgebra of $UT_4(F)$linearly generated by $\{\mathbf{e}_{ij}:1 \leq i\leq j \leq 4 \} \setminus\mathbf{e}_{23}$ where $\{\mathbf{e}_{ij} : 1 \leq i\leq j \leq 4\}$ is thestandard basis of $UT_4(F)$. We describe the set of all $*$-polynomialidentities for $\mathcal{A}$ with the involution defined by the reflection ofsecond diagonal.

*-polynomial identities of 4x4 upper triangular matrices with the reflection involution