Years and Authors of Summarized Original Work
2010; Björklund, Husfeldt, Kaski, Koivisto
2012; Björklund, Husfeldt, Kaski, Koivisto
2013; Cygan, Pilipczuk
2014; Golovnev, Kulikov, Mihajlin
Problem Definition
We focus on the following question: how an assumption on the sparsity of an input graph, such as bounded (average) degree, can help in designing exact (exponential-time) algorithms for NP-hard problems. The following classic problems are studied:
- Traveling Salesman Problem :
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Find a minimum-length Hamiltonian cycle in an input graph with edge weights.
- Chromatic Number :
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Find a minimum number k for which the vertices of an input graph can be colored with k colors such that no two adjacent vertices receive the same color.
- Counting Perfect Matchings :
-
Find the number of perfect matchings in an input graph.
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Recommended Reading
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Pilipczuk, M. (2016). Exact Algorithms on Graphs of Bounded Average Degree. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-2864-4_516
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DOI: https://doi.org/10.1007/978-1-4939-2864-4_516
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