most citedNew symmetries in mixed-integer linear optimization: Symmetry heuristics and complement-based symmetries

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math.OC2017

Shaping and Trimming Branch-and-bound Trees

Philipp M. Christophel, Imre Pólik

We present a new branch-and-bound type search method for mixed integer linear optimization problems based on the concept of offshoots (introduced in this paper). While similar to a…

math.OC2014★ 1 cited

New symmetries in mixed-integer linear optimization: Symmetry heuristics and complement-based symmetries

Philipp M. Christophel, Menal Güzelsoy, Imre Pólik

We present two novel applications of symmetries for mixed-integer linear programming. First we propose two variants of a new heuristic to improve the objective value of a feasible…