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Figure 1 | Algorithms for Molecular Biology

Figure 1

From: Exploiting bounded signal flow for graph orientation based on cause–effect pairs

Figure 1

Applicability of reduction. Left: Illustration of the structure for a deepest least common ancestor x of the pairs as described in the proof of Lemma 1. The dashed lines represent the paths between the endpoints of a pair. If [s, t] is in conflict with two other pairs, then these pairs must be conflicting with [s, t] in the edges {x, y1} and {x, y2} since x a deepest least common ancestor. Right: Illustration of the replacement of the subtrees rooted at y1 and y2 by a single vertex y'. Note that (s', y') and (y', t'') are in conflict.

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