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Questions about graphs, discrete structures of nodes which are connected by edges, including trees and graphs with weighted edges.

0 votes
1 answer
411 views

In a DAG, longest path where every vertex has degree at most 2

I have a directed acyclic graph (DAG). How I can find the longest path using only vertices with degree at most 2? Currently, I try this def all_simple_paths(g): for path in all_paths(g): if …
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  • 109
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0 answers
256 views

In a DAG, what is the name for a vertex with only one predecessor and one successor?

In a directed acyclic graph (DAG), what is the name for a vertex with only one predecessor and one successor?
juanpablo's user avatar
  • 109