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Approximation preserving reductions for set covering, vertex covering and independent set hierarchies under differential approximationa.

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  • المؤلفون: Ekim*, Tinaz1 (AUTHOR); Paschos, Vangelis Th.2 (AUTHOR)
  • المصدر:
    International Journal of Computer Mathematics. May2004, Vol. 81 Issue 5, p569-582. 14p.