Computing Downwards Accumulations on Trees Quickly (1992)

Show simple item record Gibbons, J. en 2009-04-08T04:02:50Z en 2009-04-08T04:02:50Z en 1992-11 en
dc.identifier.citation Computer Science Technical Reports 064 (1992) en
dc.identifier.issn 1173-3500 en
dc.identifier.uri en
dc.description Downwards accumulations on binary trees are essentially functions which pass information down a tree, from the root towards the leaves. Under certain conditions, a downwards accumulation is both 'efficient' (computable in a functional style in parallel time proportional to the depth of the tree) and 'manipulable' (enjoying a number of distributivity properties useful in program construction). In this paper, we show that these conditions do in fact yield a stronger conclusion: the accumulation can be computed in parallel time proportional to the logarithm of the depth of the tree, on a Crew Pram machine. en
dc.publisher Department of Computer Science, The University of Auckland, New Zealand en
dc.relation.ispartofseries Computer Science Technical Reports en
dc.rights.uri en
dc.source.uri en
dc.title Computing Downwards Accumulations on Trees Quickly (1992) en
dc.type Technical Report en
dc.subject.marsden Fields of Research::280000 Information, Computing and Communication Sciences en
dc.rights.holder The author(s) en

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