DI SUMMA, Marco; WOLSEY, Laurence A. - Center for Operations Research and Econometrics (CORE), … - 2006
For the problem of lot-sizing on a tree with constant capacities, or stochastic log-sizing with a scenario tree, we present various reformulations based on mixing sets. We also show how earlier results for uncapacitated problems involving (Q, SQ) inequalities can be simplified and extended....