2 problems

For $d\in\mathbb{N}$, consider arrangements of distinct points in $\mathbb{CP}^{d-1}$, with distance measured by the Fubini--Study metric. Zauner's conjecture. For every…

Let $\mathcal C$ be the code constructed in the paper consisting of $85$ points in $\mathbb C^5$, viewed projectively. A code is universally optimal if it minimizes every admissibl…