A combinatorial algorithm minimizing submodular functions in strongly polynomial time
Journal of Combinatorial Theory Series B
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
Vertex cover might be hard to approximate to within 2-ε
Journal of Computer and System Sciences
FUN'07 Proceedings of the 4th international conference on Fun with algorithms
Algorithms and complexity of generalized river crossing problems
FUN'12 Proceedings of the 6th international conference on Fun with Algorithms
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We consider a planning problem that generalizes Alcuin's river crossing problem (also known as: The wolf, goat, and cabbage puzzle) to scenarios with arbitrary conflict graphs. We derive a variety of combinatorial, structural, algorithmical, and complexity theoretical results around this problem.