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AF-heap : ウィキペディア英語版
AF-heap
In computer science, the AF-heap is a type of priority queue for integer data, an extension of the fusion tree using an atomic heap proposed by M. L. Fredman and D. E. Willard.〔M. L. Fredman and D. E. Willard. Trans-dichotomous algorithms for minimum spanning trees and shortest paths. Journal of Computer and System Sciences 48, 533-551 (1994)〕
Using an AF-heap, it is possible to perform insert or decrease-key operations and delete-min operations on machine-integer keys in time . This allows Dijkstra's algorithm to be performed in the same time bound on graphs with edges and vertices, and leads to a linear time algorithm for minimum spanning trees, with the assumption for both problems that the edge weights of the input graph are machine integers in the transdichotomous model.
==See also==

* Fusion tree

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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