RAIRO - Operations Research

Open Access

Slime Mould Algorithm-based mutated Chaotic Local Search for global optimization and engineering applications p. 3455

Adel Got, Djaafar Zouache, Naila Aziza Houacine and Habiba Drias

Published online: 17 November 2025

DOI: https://doi.org/10.1051/ro/2025138

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Open Access

A novel non-parameter filled function method for unconstrained global optimization p. 3487

Yingying Wang, Youlin Shang and Guanglei Sun

Published online: 17 November 2025

DOI: https://doi.org/10.1051/ro/2025135

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Open Access

A theoretical and numerical study of an interior-point algorithm for convex quadratic semidefinite optimization p. 3505

Yasmina Bendaas and Mohamed Achache

Published online: 23 December 2025

DOI: https://doi.org/10.1051/ro/2025122

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Open Access

On the independence number of a variant of the divisor graph p. 3523

Midhun Sivankutty

Published online: 23 December 2025

DOI: https://doi.org/10.1051/ro/2025145

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Open Access

Research on energy consumption control method for the lifecyle of public green buildings based on multi objective optimization p. 3529

Jing Li and Runze Du

Published online: 23 December 2025

DOI: https://doi.org/10.1051/ro/2025137

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Open Access

The first two maximum Sombor spectral radii of bicyclic graphs p. 3549

Yanhui Zhang, Xiaoling Ma and Yangyang Wu

Published online: 08 December 2025

DOI: https://doi.org/10.1051/ro/2025075

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Open Access

Underlying mechanisms of strategy interaction between brand promotion and sales channel strategies p. 3563

Zeling Xu and Jie Wei

Published online: 08 December 2025

DOI: https://doi.org/10.1051/ro/2025110

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Open Access

The relationship between operational efficiency and financial efficiency in the shipping industry: An example from privatized ports in Türkiye p. 3601

Ebru Nur Kaya, Mevlüt Hürol Mete and Önder Belgin

Published online: 08 December 2025

DOI: https://doi.org/10.1051/ro/2025136

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Open Access

An exact algorithm for the minimum sum coloring problem on partially decomposable graphs p. 3621

Fatma Tammal and Méziane Aïder

Published online: 08 December 2025

DOI: https://doi.org/10.1051/ro/2025140

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Open Access

Metaheuristics and a matheuristic for solving the facility layout problem in the presence of alternative process plans and machine redundancy p. 3649

Mehdi A. Kamran, Maghsud Solimanpur, Reza Atefi, Nooshin Atashfeshan and Yalda Mansouri

Published online: 10 December 2025

DOI: https://doi.org/10.1051/ro/2025104

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Open Access

Characterizing path-factor uniform graphs with respect to the degree sum of non-adjacent vertices p. 3675

Ping Zhang

Published online: 10 December 2025

DOI: https://doi.org/10.1051/ro/2025148

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Open Access

An improved bi-criteria evolutionary approach for the sum coloring of graphs p. 3683

Olfa Harrabi, Jouhaina Chaouachi Siala and Hend Bouziri

Published online: 10 December 2025

DOI: https://doi.org/10.1051/ro/2025142

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Open Access

Fair UAV emergency supply deployment based on an improved genetic algorithm p. 3703

Wei Hong, Shuaichen Liu, Pengfei Da, Wengjing Yin, Xujin Pu and Shuling Xu

Published online: 19 December 2025

DOI: https://doi.org/10.1051/ro/2025117

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Open Access

On λ-Forman-Ricci curvature of networks p. 3729

J.A. Mendez-Bermudez, Rosalio Reyes Guillermo, José M. Rodriguez and José M. Sigarreta

Published online: 19 December 2025

DOI: https://doi.org/10.1051/ro/2025124

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Open Access

Economic lot scheduling problem under two different rework policies p. 3749

Amir Hossein Nobil, Erfan Nobil, Leopoldo Eduardo Cárdenas-Barrón, Dagoberto Garza-Núñez, Gerardo Treviño-Garza, Armando Céspedes-Mota, Imelda de Jesús Loera-Hernández and Neale R. Smith

Published online: 19 December 2025

DOI: https://doi.org/10.1051/ro/2025020

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Open Access

A supply chain model under credit period and price dependent demand: a Stackelberg approach p. 3777

Rituparna Mondal and Ranjan Kumar Jana

Published online: 07 January 2026

DOI: https://doi.org/10.1051/ro/2025059

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Open Access

The economic and environmental effect of remanufacturing authorization in the fuzzy environment p. 3803

Xiyue Pan, Fangsheng Ge and Bowen Fang

Published online: 07 January 2026

DOI: https://doi.org/10.1051/ro/2025072

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Open Access

An interval-valued Pythagorean trapezoidal fuzzy multi-criteria decision making technique for psychiatric disorder diagnosis p. 3851

Shubhendu Mandal, Kamal Hossain Gazi, Bibhas C. Giri, Sohail Salahshour and Sankar Prasad Mondal

Published online: 07 January 2026

DOI: https://doi.org/10.1051/ro/2025147

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Open Access

Addressing the cold start problem in privacy preserving content-based recommender systems using hypercube graphs p. 3891

Noa Tuval, Alain Hertz and Tsvi Kuflik

Published online: 07 January 2026

DOI: https://doi.org/10.1051/ro/2025151

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Open Access

The investment and reinsurance game on asset-liability management with common shock dependence under CEV model p. 3913

Lu Li and Zhijian Qiu

Published online: 07 January 2026

DOI: https://doi.org/10.1051/ro/2025152

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Open Access

Robust optimization for supply chain with routing problem: a learning-based approach p. 3945

Hami Talebi, Mehran Khalaj, Davood Jafari, Parisa Mousavi Ahranjani and Amir Hossein Kamali Dolatabadi

Published online: 07 January 2026

DOI: https://doi.org/10.1051/ro/2024230

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Open Access

Revisiting search methods for the Bounded-Diameter Minimum Spanning Tree Problem p. 3969

Rogério M. Nepomuceno, Rodrigo L. Mafort, Fábio Protti, Isabel Rosseti, Luidi Simonetti and Edoarda Vallim

Published online: 28 January 2026

DOI: https://doi.org/10.1051/ro/2025008

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Open Access

Flexible manufacturing system for high-tech product with reworking, variable demand, and investment in carbon reduction p. 3999

Sunit Kumar, S.R. Singh, Rachna Kumari and Dharmendra Yadav

Published online: 28 January 2026

DOI: https://doi.org/10.1051/ro/2025053

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Open Access

Solving multi-objective optimization problem in Bipolar Hesitant Fuzzy environment p. 4023

Swarup Jana and Sahidul Islam

Published online: 28 January 2026

DOI: https://doi.org/10.1051/ro/2025149

• Abstract
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