Preprint
Sep 2026
Hardness of Online Directed Steiner Network
This work gives an $\exp\!\bigl(\Omega(\sqrt{\log n})\bigr)$ bound on the competitive ratio, which holds even for randomized algorithms against an oblivious adversary, and on unit-cost DAGs.
Gary Hoppenworth, Yao-Wei Long, S. Mahabadi et al.
· 0 citations