Titlebook: Integer Programming and Combinatorial Optimization; 22nd International C Mohit Singh,David P. Williamson Conference proceedings 2021 Spring

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Conference proceedings 2021 May 19-21, 2021. The conference was organized by Georgia Institute of Technology and planned to take place it Atlanta, GA, USA, but changed to an online format due to the COVID-19 pandemic.?.The 33 papers included in this book were carefully reviewed and selected from 90 submissions. IPCO is under

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OATH

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New Exact Techniques Applied to a Class of Network Flow Formulations,d for network flow formulations, and test it on the cutting stock problem. In our computational experiments, 162 out of 237 open benchmark instances are solved to proven optimality within a reasonable computational time, consistently improving previous results in the literature.

BUMP

Robust ,-Center with Two Types of Radii,he ellipsoid method to reduce to stylized instances and use an inner layer of the ellipsoid method to solve these specialized instances. This idea is of independent interest and could be applicable to other problems.

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On the Implementation and Strengthening of Intersection Cuts for QCQPs,ick cut-computations by simply plugging-in parameters associated to an arbitrary quadratic inequality being violated by a vertex of an LP relaxation. Additionally, we implement a cut-strengthening procedure that dates back to Glover and evaluate these techniques with extensive computational experiments.

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