A lifting procedure for the asymmetric traveling salesman polytope and a large new class of facets

1993 ◽  
Vol 58 (1-3) ◽  
pp. 325-352 ◽  
Author(s):  
Egon Balas ◽  
Matteo Fischetti
1995 ◽  
Vol 68 (1-3) ◽  
pp. 241-265 ◽  
Author(s):  
Egon Balas ◽  
Matteo Fischetti ◽  
William R. Pulleyblank

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