Titlebook: Integer Programming and Combinatorial Optimization; 24th International C Alberto Del Pia,Volker Kaibel Conference proceedings 2023 The Edit

FRAX-tool

,Monoidal Strengthening and Unique Lifting in MIQCPs,for quadratically-constrained optimization problems by exploiting integrality requirements. We provide an explicit construction that allows an efficient implementation of the strengthened cuts along with computational results showing their improvements over the standard intersection cuts. We also sh

NIL

,From Approximate to Exact Integer Programming,ex body . which is ., scaled by 2 from its center of gravity .. Approximate integer programming can be solved in time . while the fastest known methods for exact integer programming run in time .. So far, there are no efficient methods for integer programming known that are based on approximate inte

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,Optimizing Low Dimensional Functions over the Integers,e . variables and that . is an integer matrix with coefficients of absolute value at most .. We design an algorithm for this problem using only the mild assumption that the objective can be optimized efficiently when all but . variables are fixed, yielding a running time of .. Moreover, we can avoid

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盖他为秘密

,On the Correlation Gap of Matroids,has been identified as the performance guarantee in a range of approximation algorithms and mechanism design settings. It is known that the correlation gap of a monotone submodular function is at least ., and this is tight for simple matroid rank functions..   We initiate a fine-grained study of the

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,A 4/3-Approximation Algorithm for Half-Integral Cycle Cut Instances of the TSP,he TSP (sometimes called the Subtour LP or the Held-Karp bound) is at most 4/3 for symmetric instances of the TSP obeying the triangle inequality. In this paper we consider the half-integral case, in which a feasible solution to the LP has solution values in .. Karlin, Klein, and Oveis Gharan [.], i