Almeida, Maria Teresa; Carvalho, Filipa D. - In: European Journal of Operational Research 232 (2014) 3, pp. 489-498
integer formulations for the k-club problem. The comparisons involve formulations known from the literature and new … formulations, built in different variable spaces. For the case k=3, we propose two enhanced compact formulations. From the LP … relaxation standpoint these formulations dominate all other compact formulations in the literature and are equivalent to a …