2 problems

Let an NWBTS$(v;b)$ denote the nearly well-balanced triple system studied in the paper, equivalently an optimal data placement for triple replication with $v$ servers and $b$ block…

Let $V$ be a set of $v$ servers, and let a data placement be a family of $b$ blocks, each of size $k$, on $V$. For a placement $(V,\mathcal{F})$, let … where $v_j$ is the number of…