Embeddability of joinpowers, and minimal rank of partial matrices

A. Skopenkov, O. Styrt

A general position map $f:K\to M$ of a $k$-dimensional simplicial complex to a $2k$-dimensional manifold (for $k=1$, of a graph to a surface) is a ${\mathbb{Z}}_2$-embedding if $|fσ\…