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S. Mahabadi

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Preprint Sep 2026

Hardness of Online Directed Steiner Network

In the Directed Steiner Network (DSN) problem we are given a directed graph and a set of demands $(s_i,t_i)$, and asked to find a cheap subgraph connecting each terminal pair. In its online version, the demands arrive online and must be served by buying edges irrevocably. DSN is a fundamental hard problem in network de...

Gary Hoppenworth, Yao-Wei Long, S. Mahabadi et al. · 0 citations

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