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Ravindran, S.; Gibbons, A.M.; Paterson, M.S. (2000)
Publisher: Elsevier BV
Journal: Theoretical Computer Science
Languages: English
Types: Article
Subjects: QA, Theoretical Computer Science, Computer Science(all), TK

Classified by OpenAIRE into

ACM Ref: MathematicsofComputing_DISCRETEMATHEMATICS
We describe dense edge-disjoint embeddings of the complete binary tree with n leaves in the following n-node communication networks: the hypercube, the de Bruijn and shuffle-exchange networks and the two-dimensional mesh. For the mesh and the shuffle-exchange graphs each edge is regarded as two parallel (or anti-parallel) edges. The embeddings have the following properties: paths of the tree are mapped onto edge-disjoint paths of the host graph and at most two tree nodes (just one of which is a leaf) are mapped onto each host node. We prove that the maximum distance from a leaf to the root of the tree is asymptotically as short as possible in all host graphs except in the case of the shuffle-exchange, in which case we conjecture that it is as short as possible. The embeddings facilitate efficient implementation of many P-RAM algorithms on these networks.

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