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Optimal Upward Planarity Testing of Single-Source Digraphs

โœ Scribed by Bertolazzi, Paola; Di Battista, Giuseppe; Mannino, Carlo; Tamassia, Roberto


Book ID
118177421
Publisher
Society for Industrial and Applied Mathematics
Year
1998
Tongue
English
Weight
698 KB
Volume
27
Category
Article
ISSN
0097-5397

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We present a simple parallel algorithm for the single-source shortest path problem in planar digraphs with nonnegative real edge weights. The algorithm runs on the EREW PRAM model of parallel computation in O((n 2= +n 1&= ) log n) time, performing O(n 1+= log n) work for any 0<=<1ร‚2. The strength of