Algorithms that split a graph into parts while cutting as few links as possible. Karger's algorithm finds a minimum cut by repeatedly contracting randomly chosen edges, the Kernighan-Lin algorithm improves a division of a graph into two balanced halves by swapping pairs of vertices, and the minimum k-cut problem asks for the cheapest way to separate a graph into k components. They are used in circuit layout, clustering and parallel computing.
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Graph Cut and Partitioning Algorithms
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Watershed (image processing) (Wikipedia)
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In graphs, watershed lines may be defined on the nodes, on the edges, or hybrid lines on both nodes and edges.
Karger's Algorithm (Wikipedia)
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In computer science and graph theory, Karger's algorithm is a randomized algorithm to compute a minimum cut of a connected graph.
Wikipedia: Kernighan-Lin algorithm
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The Kernighan-Lin algorithm is a heuristic algorithm for finding partitions of graphs.
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