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When the Gomory-Chvátal closure coincides with the integer hull
Cornuéjols, Gérard; Li, Yanjun - In: Operations research letters 46 (2018) 2, pp. 251-256
Persistent link: https://www.econbiz.de/10011824905
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Elementary closures for integer programs
Cornuéjols, Gérard; Li, Yanjun - In: Operations research letters 28 (2001) 1, pp. 1-8
Persistent link: https://www.econbiz.de/10006834292
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An approximation algorithm for the edge-dilation k-center problem
Könemann, Jochen; Li, Yanjun; Parekh, Ojas; Sinha, Amitabh - In: Operations research letters 32 (2004) 5, pp. 491-495
Persistent link: https://www.econbiz.de/10006817631