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    FSTTCS
    2009
    Springer
    135views Software Engineering» more  FSTTCS 2009»
    Fractional Pebbling and Thrifty Branching Programs
    14 years 2 months ago
    Fractional Pebbling and Thrifty Branching Programs
    Download  www.cs.toronto.edu
    We study the branching program complexity of the tree evaluation problem, introduced in [BCM+09a] as a candidate for separating NL from LogCFL. The input to the problem is a roote...
    Mark Braverman, Stephen A. Cook, Pierre McKenzie, ...
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    STOC
    2009
    ACM
    271views Algorithms» more  STOC 2009»
    A fast and efficient algorithm for low-rank approximation of a matrix
    14 years 8 months ago
    A fast and efficient algorithm for low-rank approximation of a matrix
    Download  thanglong.ece.jhu.edu
    The low-rank matrix approximation problem involves finding of a rank k version of a m ? n matrix AAA, labeled AAAk, such that AAAk is as "close" as possible to the best ...
    Nam H. Nguyen, Thong T. Do, Trac D. Tran
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