@article{v005a004,
 author = {Subhash Khot and Ryan O'Donnell},
 title = {SDP Gaps and UGC-hardness for Max-Cut-Gain},
 year = {2009},
 pages = {83-117},
 doi = {10.4086/toc.2009.v005a004},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {5},
 number = {1},
 URL = {http://www.theoryofcomputing.org/articles/v005a004},
}