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Comment on “A nonlinear Lagrangian dual for integer programming” |
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| Authors: | Paul A Rubin |
| Institution: | Department of Management, The Eli Broad Graduate School of Management, Michigan State University, East Lansing, MI 48824-1122, USA |
| Abstract: | We present a counterexample and correction to the contention by Xu and Li that the nonlinear Lagrangian dual problem they propose Oper. Res. Lett. 30 (2002) 401] asymptotically has no duality gap. |
| Keywords: | Integer programming Nonlinear Lagrangian theory Lagrangian relaxation Dual method |
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