Approximating CSPs with global cardinality constraints using SDP hierarchies. - Prasad Raghavendra; Ning Tan 002 (SODA, 2012)

On the Power of Symmetric LP and SDP Relaxations. - James R. Lee; Prasad Raghavendra; David Steurer; Ning Tan 002 (CCC, 2014)

On the Power of Lasserre SDP Hierarchy. - Ning Tan 002 (2015)