Pochet, Yves; Wolsey, Laurence A. - Center for Operations Research and Econometrics … - 2007
We consider the single item lot-sizing problem with capacities that are non-decreasing overtime. When the cost function …), and ii) the production set-upcosts are non-increasing over time, it is known that the minimum cost lot-sizing problem …-decreasing over
time. When the cost function is i) non-speculative or Wagner-Whitin (for instance, constant
unit production costs …