Canonical dual approach to solving the maximum cut problem

@article{Wang2012CanonicalDA,
  title={Canonical dual approach to solving the maximum cut problem},
  author={Zhenbo Wang and S. C. Fang and David Yang Gao and Wenxun Xing},
  journal={Journal of Global Optimization},
  year={2012},
  volume={54},
  pages={341-351}
}
This paper presents a canonical dual approach for finding either an optimal or approximate solution to the maximum cut problem (MAX CUT). We show that, by introducing a linear perturbation term to the objective function, the maximum cut problem is perturbed to have a dual problem which is a concave maximization problem over a convex feasible domain under certain conditions. Consequently, some global optimality conditions are derived for finding an optimal or approximate solution. A gradient… 
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