6 papers:
STOC-2007-Dantchev #complexity #proving #rank- Rank complexity gap for Lovász-Schrijver and Sherali-Adams proof systems (SSD), pp. 311–317.
STOC-2007-SchoenebeckTT- Tight integrality gaps for Lovasz-Schrijver LP relaxations of vertex cover and max cut (GS, LT, MT), pp. 302–310.
STOC-2006-Gurvits #algorithm #approach #bound #proving- Hyperbolic polynomials approach to Van der Waerden/Schrijver-Valiant like conjectures: sharper bounds, simpler proofs and algorithmic applications (LG), pp. 417–426.
ICALP-v1-2006-KojevnikovI #bound #calculus #proving- Lower Bounds of Static Lovász-Schrijver Calculus Proofs for Tseitin Tautologies (AK, DI), pp. 323–334.
STOC-2005-AlekhnovichAT #towards- Towards strong nonapproximability results in the Lovasz-Schrijver hierarchy (MA, SA, IT), pp. 294–303.
ICALP-2005-BeamePS #bound #communication #complexity #multi- Lower Bounds for Lovász-Schrijver Systems and Beyond Follow from Multiparty Communication Complexity (PB, TP, NS), pp. 1176–1188.