The paper defines Stretched Temporal Graph Realization (STGR), proves it is NP-hard to approximate within sublinear factors in the period, and provides approximation, fixed-parameter, and local-search algorithms.
Mertzios, and Paul G Spirakis
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Temporal Graph Realization With Bounded Stretch
The paper defines Stretched Temporal Graph Realization (STGR), proves it is NP-hard to approximate within sublinear factors in the period, and provides approximation, fixed-parameter, and local-search algorithms.