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Randomized rounding without solving the linear program


Author(s) : Neal E. Young, 
Publisher : N/A
Publication Date : 1995
ISSN : N/A
Abstract : We introduce a new technique called oblivious rounding---a variant of randomized rounding that avoids the bottleneck of first solving the linear program. Avoiding this bottleneck yields more efficient algorithms and brings probabilistic methods to bear on a new class of problems. We give oblivious rounding algorithms that approximately solve general packing and covering problems, including a parallel algorithm to find sparse strategies for matrix games.,