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    JEA
    2006
    85views more  JEA 2006»
    A dynamic topological sort algorithm for directed acyclic graphs
    15 years 3 months ago
    A dynamic topological sort algorithm for directed acyclic graphs
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    David J. Pearce, Paul H. J. Kelly
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    ORDER
    2008
    54views more  ORDER 2008»
    Word Problem of the Perkins Semigroup via Directed Acyclic Graphs
    15 years 3 months ago
    Word Problem of the Perkins Semigroup via Directed Acyclic Graphs
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    Sergey Kitaev, Steve Seif
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    SIAMDM
    2008
    101views more  SIAMDM 2008»
    Hamilton Cycles in Random Lifts of Directed Graphs
    15 years 3 months ago
    Hamilton Cycles in Random Lifts of Directed Graphs
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    An n-lift of a digraph K, is a digraph with vertex set V (K)
    Prasad Chebolu, Alan M. Frieze
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    TCS
    2008
    108views Theoretical Computer Science» more  TCS 2008»
    The NP-hardness of finding a directed acyclic graph for regular resolution
    15 years 3 months ago
    The NP-hardness of finding a directed acyclic graph for regular resolution
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    Let R be a resolution refutation, given as a sequence of clauses without explicit description of the underlying dag. Then, it is NPcomplete to decide whether R is a regular resolu...
    Samuel R. Buss, Jan Hoffmann 0002
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    JACM
    2007
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    On counting homomorphisms to directed acyclic graphs
    15 years 3 months ago
    On counting homomorphisms to directed acyclic graphs
    Download  www.comp.leeds.ac.uk
    Martin E. Dyer, Leslie Ann Goldberg, Mike Paterson
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