Fig. 1
Mercury delay line memory of UNIVAC I (https://en.wikipedia.org/wiki/UNIVAC_I).
Fig. 2
Result of the first CPM analysis made by a computer (Kelley 1989).
Fig. 3
Topology graph of the CPM network (Kelley 1989).
Fig. 4
Typical density function of the PERT-beta distribution.
Fig. 5
Distribution of the project duration of one-chain and 10-chain networks.
Fig. 6
The effect of the different activity calendars on the distribution of project duration based on the same one-chain network (Hajdu 2013).
Fig. 7
Assumption of time vs cost of the original CPM model.
Fig. 8
The set of feasible solutions of the CPM model.
Fig. 9
Maximal relations in PDM network.
Fig. 10
Assumption of linear activities is essential in case of traditional relationships.
Fig. 11
The positive effect of pre-emption on the project duration.
Fig. 12
Application of logical switches on relationships.
Fig. 13
Point-to-point relations for better modelling of overlapping activities.
Fig. 14
Continuous relations with time and work gaps.
Fig. 15
Bi-directional precedence relations.
Fig. 16
Possible optimal solutions of Fig. 15.