Articles under category:
Combinatorial Optimization
Combinatorial Optimization
Vol 6, Article 11 (pp 247290)
The Submodular Welfare Problem with Demand Queries by Uriel Feige and Jan Vondrák 
Vol 4, Article 9 (pp 191193)
[COMMENT]
On the LP Relaxation of the Asymmetric Traveling Salesman Path Problem by Viswanath Nagarajan 
Vol 4, Article 1 (pp 120)
Single Source Multiroute Flows and Cuts on Uniform Capacity Networks by Henning Bruhn, Jakub Černý, Alexander Hall, Petr Kolman, and Jiří Sgall 
Vol 3, Article 10 (pp 197209)
An O(log n) Approximation Ratio for the Asymmetric Traveling Salesman Path Problem by Chandra Chekuri and Martin Pál 
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Vol 2, Article 7 (pp 137146)
An O(√n) Approximation and Integrality Gap for Disjoint Paths and Unsplittable Flow by Chandra Chekuri, Sanjeev Khanna, and F. Bruce Shepherd 
Vol 2, Article 3 (pp 5364)
An Improved Approximation Ratio for the Covering Steiner Problem by Anupam Gupta and Aravind Srinivasan 
Vol 2, Article 2 (pp 1951)
Proving Integrality Gaps without Knowing the Linear Program by Sanjeev Arora, Béla Bollobás, László Lovász, and Iannis Tourlakis 