2006
DOI: 10.1016/j.disopt.2005.10.004
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A class of lifted path and flow-based formulations for the asymmetric traveling salesman problem with and without precedence constraints

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Cited by 36 publications
(28 citation statements)
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“…The results for the SD (see Sherali and Driscoll (2002)) and SST formulations were obtained by Sherali et al (2006), using a Dell Workstation PWS 650 Double 2,5 GHZ CPU with the AMPL (Vs. 8.1) and CPLEX MIP Solver (V.s 9,0). The results for the well known multicommodity flow (MCF) formulation were obtained by Oncan et al (2009), using a Pentium IV 3GHZ CPU with the CPLEX BARRIER Solver (Vs. 9.0) The results obtained from our computational experiment show that the All-k model produces quite good gaps for the cumulative version as well as the pure time-dependent version of the ATSP.…”
Section: Computational Resultsmentioning
confidence: 99%
“…The results for the SD (see Sherali and Driscoll (2002)) and SST formulations were obtained by Sherali et al (2006), using a Dell Workstation PWS 650 Double 2,5 GHZ CPU with the AMPL (Vs. 8.1) and CPLEX MIP Solver (V.s 9,0). The results for the well known multicommodity flow (MCF) formulation were obtained by Oncan et al (2009), using a Pentium IV 3GHZ CPU with the CPLEX BARRIER Solver (Vs. 9.0) The results obtained from our computational experiment show that the All-k model produces quite good gaps for the cumulative version as well as the pure time-dependent version of the ATSP.…”
Section: Computational Resultsmentioning
confidence: 99%
“…This technique is a generic strategy for constructing tight polyhedral relaxations of the feasible set of 0-1 mixed integer linear programs ( [37], [38], [39]). During the last few years, it has been successfully applied to derive tightened compact formulations for the asymmetric traveling salesman (see [40] and [41]). Research into this exciting direction is recommended for future studies.…”
Section: Discussionmentioning
confidence: 99%
“…Godinho et al [2011] pointed out that variables t k ij can be interpreted in the same way as the flow variables w k ij used in formulation CLAUS. Öncan et al [2009] showed that the LP relaxation of SST is stronger than those of MCF+, whereas Sherali et al [2006] proved that the LP relaxation of SST is stronger than that of L1ATSPxy.…”
Section: Review Of Polynomial Formulationsmentioning
confidence: 99%
“…An analysis of all the formulations involving variables x ij and v ij (or d ij ) can be found in Gouveia and Pesneau [2006]. Sherali et al [2006] proposed several polynomial formulations. Here, we present formulation SST (therein ATSP6) only, which uses (n − 1) 3 nonnegative continuous variables t k ij , i, j, k = 2, .…”
Section: Review Of Polynomial Formulationsmentioning
confidence: 99%