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Oct 15, 2021 at 21:39 comment added RobPratt In that case, I suspect that the generalization of @worldsmithhelper's model to multiple pairs of groups (instead of just one pair $(1,2)$) would do better.
Oct 15, 2021 at 21:29 comment added LouisPopovic Durations are integer, they are given ($d_t$) while start time are variables.
Oct 15, 2021 at 20:57 comment added RobPratt Yes, the cardinalities could change which model performs best. Are your durations and start times integer or arbitrary?
Oct 15, 2021 at 20:05 comment added LouisPopovic Would this still be a good approach if there was around 30 pairs of sets of 10 tasks each ? Does the cardinality of the sets and the number of pairs of sets could change the choice of which modelisation to use for this constraint ? Thanks!
Oct 14, 2021 at 21:49 history answered RobPratt CC BY-SA 4.0