System of unbiased representatives for a collection of bicolorings

Niranjan Balachandran, Rogers Mathew, Tapas Kumar Mishra +1

Let $\mathcal{B}$ denote a set of bicolorings of $[n]$, where each bicoloring is a mapping of the points in $[n]$ to $\{-1,+1\}$. For each $B\in \mathcal{B}$, let $Y_B=(B(1),\ldot…