A = lowestCommonAncestors(D,u,v)
The lowest common ancestors between two vertexSet are the vertexSet that are ancestors of both u and v and are the shortest distance from the vertexSet in the digraph.
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The object lowestCommonAncestors is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/Graphs.m2:3835:0.