A $2$-Approximation Algorithm for Flexible Graph Connectivity
Sylvia Boyd, Joseph Cheriyan, Arash Haddadan, Sharat Ibrahimpur·2021-02-06·via cs.DS updates on arXiv.org
We present a $2$-approximation algorithm for the Flexible Graph Connectivity problem [AHM20] via a reduction to the minimum cost $r$-out $2$-arborescence problem.