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A simpler and better derandomization of an approximation algorithm for single source rent-or-buy
Williamson, David P., (2007)
Deterministic pivoting algorithms for constrained ranking and clustering problems
Zuylen, Anke van, (2009)
2-matchings, the traveling salesman problem, and the subtour LP : a proof of the Boyd-Carr conjecture
Schalekamp, Frans, (2014)