Stem nonapproxim$ (all stems)
2 papers:
STOC-2005-AlekhnovichAT #towards
- Towards strong nonapproximability results in the Lovasz-Schrijver hierarchy (MA, SA, IT), pp. 294–303.
STOC-1996-KellererTW
- Approximability and Nonapproximability Results for Minimizing Total Flow Time on a Single Machine (HK, TT, GJW), pp. 418–426.