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Volume 59 / No 2 (March-April 2025)

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RAIRO - Operations Research

Volume 59 / No 2 (March-April 2025) (in progress)

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Open Access

Steady-state analysis of batch-size-dependent service queue with server breakdown, close-down time and multiple vacations p. 743

Satyam Das and Sourav Pradhan

Published online: 12 March 2025

DOI: https://doi.org/10.1051/ro/2025013

Open Access

The retailer’s information sharing decisions with manufacturer’s encroachment and production learning effects p. 771

Xingyu Hu, Zhengzhong Guan and Jianbiao Ren

Published online: 14 March 2025

DOI: https://doi.org/10.1051/ro/2025002

Open Access

Optimizing multilevel decentralized problems with a novel application of Gabasov’s adaptive method: highlighting applications in COVID-19 vaccine distribution p. 803

Mustapha Kaci

Published online: 14 March 2025

DOI: https://doi.org/10.1051/ro/2025010

Open Access

Structural characterizations of tree t-spanners for graphs with few P₄’s and (0, ℓ)-graphs p. 835

Fernanda Couto, Luís Cunha and Diego Ferraz

Published online: 14 March 2025

DOI: https://doi.org/10.1051/ro/2025012