摘要

We present a fully polynomial time approximation scheme (FPTAS) for the single-item capacitated economic lot-sizing problem with an objective function of a general form. The demand values may be negative, i.e., they may represent supply. For n time periods, the FPTAS runs in O (n(4)/epsilon(2) + ...) arithmetic operations and calls to an oracle computing the cost functions.

  • 出版日期2012-11