Eigenvalue, Quadratic Programming and Semidefinite Programming Bounds for Graph Partitioning Problems
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The Graph Partitioning problems are hard combinatorial optimization problems. We are interested in both lower bounds and upper bounds. We introduce several methods including basic eigenvalue and projected eigenvalue techniques, convex quadratic programming techniques, and semidefinite programming (SDP). In particular, we show that the SDP relaxation is equivalent to and arises from the Lagrangian relaxation for a particular quadratically constrained quadratic model. Moreover, the bounds obtained by the eigenvalue techniques are good and cheap.
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Ningchuan Wang (2014). Eigenvalue, Quadratic Programming and Semidefinite Programming Bounds for Graph Partitioning Problems. UWSpace. http://hdl.handle.net/10012/8760