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Results tagged with complexity
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user 31660
11
votes
Accepted
What is the complexity of vertex cover on k-partite graphs?
For bipartite graphs, vertex cover is polynomially solvable by routine techniques from matching theory.
For $k$-partite graphs with $k\ge3$, we observe the following:
Vertex cover is NP-complete on …
- 5,792
20
votes
Accepted
Is there a counterexample to this work?
Predecessor versions of this paper have been around for more than 15 years. I remember that there were counter-examples to the first versions, then first revisions, counter-examples to the first revis …
- 5,792