last update: 06.03.06 (SK)         http://www.mathematik.uni-osnabrueck.de/research/OR/class

Flow-shop problems with transportation delays

• maximal polynomially solvable:

  $F2 \vert p_{ij}=1;t_i\in\{T_1,T_2\} \vert C_{max}$	Yu (1996) [5]
  $F2 \vert t_{ik}=T \vert C_{max}$	Johnson (1954) [3]
  $F \vert p_{ij}=1;t_i \vert \sum C_i$	Brucker et al. (2004) [1]
  $F \vert p_{ij}=1;t_k;r_i \vert \sum w_iU_i$	Single-machine problem
  $F \vert p_{ij}=1;t_k;r_i \vert \sum w_iT_i$	Single-machine problem

• minimal NP-hard:

  $*$	$F2 \vert p_{ij}=1;t_i \vert C_{max}$	Yu (1996) [5], Yu et al. (2004) [6]
  $*$	$F2 \vert r_i \vert C_{max}$	Lenstra et al. (1977) [4]
  $*$	$F2 \vert t_i\in\{T_1,T_2\} \vert C_{max}$	Yu (1996) [5]
  $*$	$F3 \vert \vert C_{max}$	Garey et al. (1976) [2]
  $*$	$F2 \vert \vert L_{max}$	Lenstra et al. (1977) [4]
  $*$	$F2 \vert \vert \sum C_i$	Garey et al. (1976) [2]
  $*$	$F2 \vert p_{ij}=1;t_i;r_i \vert \sum C_i$	Brucker et al. (2004) [1]
  $*$	$F2 \vert p_{ij}=1;t_i \vert \sum w_iC_i$	Brucker et al. (2004) [1]

• minimal open:

  $F2 \vert p_{ij}=1;t_i\in\{T_1,T_2\};r_i \vert C_{max}$
  $F3 \vert p_{ij}=1;t_i\in\{T_1,T_2\} \vert C_{max}$
  $F2 \vert p_{ij}=1;t_i\in\{T_1,T_2\} \vert L_{max}$

  $F2 \vert p_{ij}=1;t_i\in\{T_1,T_2\};r_i \vert \sum C_i$
  $F3 \vert p_{ij}=1;t_i\in\{T_1,T_2\};r_i \vert \sum C_i$
  $F3 \vert p_{ij}=1;t_{ik} \vert \sum C_i$

  $F2 \vert p_{ij}=1;t_i\in\{T_1,T_2\} \vert \sum w_iC_i$
  $F3 \vert p_{ij}=1;t_i\in\{T_1,T_2\} \vert \sum w_iC_i$

• maximal open:

  $F \vert p_{ij}=1;t_{ik} \vert \sum C_i$

  $F \vert p_{ij}=1;t_i\in\{T_1,T_2\};r_i \vert \sum w_iU_i, \sum w_iT_i$

  $F3 \vert p_{ij}=1;t_{ik};r_i \vert \sum w_iU_i, \sum w_iT_i$