A chance-constrained optimization approach integrating project scheduling and material ordering to manage the uncertain material supply

B Tian, J Zhang, E Demeulemeester, H Liu - Computers & Operations …, 2024 - Elsevier
To deal with the impact of uncertain material supply on the implementation of projects, we
investigate a problem of concurrently finding a robust baseline schedule and a material …

[HTML][HTML] A faster exact method for solving the robust multi-mode resource-constrained project scheduling problem

M Bold, M Goerigk - Operations Research Letters, 2022 - Elsevier
This paper presents a mixed-integer linear programming formulation for the multi-mode
resource-constrained project scheduling problem with uncertain activity durations. We …

Exact and heuristic methods for Anchor-Robust and Adjustable-Robust RCPSP

A Pass-Lanneau, P Bendotti… - Annals of Operations …, 2024 - Springer
The concept of anchored solutions is proposed as a new robust optimization approach to the
Resource-Constrained Project Scheduling Problem (RCPSP) under processing times …

Recoverable robust single machine scheduling with polyhedral uncertainty

M Bold, M Goerigk - Journal of Scheduling, 2024 - Springer
This paper considers a recoverable robust single-machine scheduling problem under
polyhedral uncertainty with the objective of minimising the total flow time. In this setting, a …

Dominance-based linear formulation for the anchor-robust project scheduling problem

P Bendotti, P Chrétienne, P Fouilhoux… - European Journal of …, 2021 - Elsevier
In project scheduling under processing times uncertainty, the Anchor-Robust Project
Scheduling Problem is to find a baseline schedule of bounded makespan and a max-weight …

Anchor-robust project scheduling with non-availability periods

P Bendotti, LB Indrigo, P Chrétienne, B Escoffier - Discrete Optimization, 2024 - Elsevier
In large-scale scheduling applications, it is often decisive to find reliable schedules prior to
the execution of the project. Most of the time however, data is affected by various sources of …

Minimizing recovery cost of network optimization problems

Z Ales, S Elloumi - Networks, 2023 - Wiley Online Library
We propose a two‐stage recoverable robustness approach that minimizes the recovery cost.
In many applications, once the uncertainty ξ ξ is revealed, it can be more important to …

Other Combinatorial Problems

M Goerigk, M Hartisch - … Optimization: Concepts, Models and Algorithms for …, 2024 - Springer
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A solution robustness approach applied to network optimization problems

Z Ales, S Elloumi - arXiv preprint arXiv:2110.11647, 2021 - arxiv.org
Solution robustness focuses on structural similarities between the nominal solution and the
scenario solutions. Most other robust optimization approaches focus on the quality …

[PDF][PDF] Contributions à la résolution de problèmes d'optimisation combinatoire difficiles

Z Ales - 2023 - hal.science
A Mixed Integer Linear Program (MILP) is a mathematical model that involves optimizing a
linear function over a feasible region described by linear constraints where a subset of …