The following publications are possibly variants of this publication:
- Hardness of the Undirected Congestion Minimization ProblemMatthew Andrews, Lisa Zhang. SICOMP, 37(1):112-131, 2007. [doi]
- Hardness of the Undirected Edge-Disjoint Paths Problem with CongestionMatthew Andrews, Julia Chuzhoy, Sanjeev Khanna, Lisa Zhang. focs 2005: 226-244 [doi]
- Logarithmic hardness of the directed congestion minimization problemMatthew Andrews, Lisa Zhang. stoc 2006: 517-526 [doi]
- Hardness of the undirected edge-disjoint paths problemMatthew Andrews, Lisa Zhang. stoc 2005: 276-283 [doi]
- Logarithmic hardness of the undirected edge-disjoint paths problemMatthew Andrews, Lisa Zhang. JACM, 53(5):745-761, 2006. [doi]