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RAIRO - Operations Research

Volume 56 / No 4 (July-August 2022) (in progress)

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Recent developments of operations research and data sciences

Open Access

Congestion and non-congestion areas: identify and measure congestion in DEA p. 2067

Seyed Rahim Moosavi and Hadi Bagherzadeh Valami

Published online: 11 July 2022

DOI: https://doi.org/10.1051/ro/2022093

Open Access

Optimality conditions and duality for multiobjective semi-infinite programming problems on Hadamard manifolds using generalized geodesic convexity p. 2037

Balendu Bhooshan Upadhyay, Arnav Ghosh, Priyanka Mishra and Savin Treanţă

Published online: 11 July 2022

DOI: https://doi.org/10.1051/ro/2022098

Open Access

Pricing strategy and product substitution of bullwhip effect in dual parallel supply chain: aggravation or mitigation? p. 2093

Junhai Ma, Wandong Lou and Zongxian Wang

Published online: 11 July 2022

DOI: https://doi.org/10.1051/ro/2021180

Open Access

Sustainable multi-products delivery routing network design for two-echelon supplier selection problem in B2B e-commerce platform p. 2115

Dhirendra Prajapati, H. Chelladurai, Fuli Zhou, Andrew W.H. Ip and Saurabh Pratap

Published online: 11 July 2022

DOI: https://doi.org/10.1051/ro/2022072

Open Access

Causal modelling of the enablers of CPFR for building resilience in manufacturing supply chains p. 2139

Joshi Hemant, R Rajesh and Yash Daultani

Published online: 11 July 2022

DOI: https://doi.org/10.1051/ro/2022075

Open Access

Improving weak efficiency frontier in a variable returns to scale stochastic data envelopment analysis model p. 2159

Davood Forghani, Mustapha D. Ibrahim and Sahand Daneshvar

Published online: 20 July 2022

DOI: https://doi.org/10.1051/ro/2022100

Open Access

Bounded-degree rooted tree and TDI-ness p. 2181

Herve L. M. Kerivin and Jinhua Zhao

Published online: 20 July 2022

DOI: https://doi.org/10.1051/ro/2022101

Open Access

Product rollover and direct sales decisions in dual-channel supply chains p. 2203

Chung-Chi Hsieh and Rizki Revianto Putera

Published online: 25 July 2022

DOI: https://doi.org/10.1051/ro/2022104

Open Access

Review

MCDM methods: Practical difficulties and future directions for improvement p. 2221

Ram Kumar Dhurkari

Published online: 25 July 2022

DOI: https://doi.org/10.1051/ro/2022060

Open Access

Nordhaus–Gaddum type inequalities on the total Italian domination number in graphs p. 2235

Seyed Mahmoud Sheikholeslami and Lutz Volkmann

Published online: 25 July 2022

DOI: https://doi.org/10.1051/ro/2022108

Open Access

Impacts of green and preservation technology investments on a sustainable EPQ model during COVID-19 pandemic p. 2245

Haripriya Barman, Magfura Pervin and Sankar Kumar Roy

Published online: 25 July 2022

DOI: https://doi.org/10.1051/ro/2022102

Open Access

Algorithmic aspects of Roman {3}-domination in graphs p. 2277

Padamutham Chakradhar and Palagiri Venkata Subba Reddy

Published online: 29 July 2022

DOI: https://doi.org/10.1051/ro/2022106

Open Access

Restrained double Roman domination of a graph p. 2293

Doost Ali Mojdeh, Iman Masoumi and Lutz Volkmann

Published online: 29 July 2022

DOI: https://doi.org/10.1051/ro/2022089

Open Access

Weak and strong domination on some graphs p. 2305

Derya Doğan Durgun and Berna Lökçü Kurt

Published online: 29 July 2022

DOI: https://doi.org/10.1051/ro/2022049

Open Access

New iterative conjugate gradient method for nonlinear unconstrained optimization p. 2315

Sabrina Ben Hanachi, Badreddine Sellami and Mohammed Belloufi

Published online: 29 July 2022

DOI: https://doi.org/10.1051/ro/2022109

Open Access

Information sharing in a collectors-led closed-loop supply chain p. 2329

Keyuan Cai, Yiwen Zhang, Yaqi Lou and Shuguang He

Published online: 01 August 2022

DOI: https://doi.org/10.1051/ro/2022096

Open Access

Research on the carbon emission regulation and optimal state of market structure: Based on the perspective of evolutionary game of different stages p. 2351

Hao Sun and Guangkuo Gao

Published online: 29 July 2022

DOI: https://doi.org/10.1051/ro/2022088

Open Access

Estimation of portfolio efficiency via stochastic DEA p. 2367

Helu Xiao, Xin Liu, Tiantian Ren and Zhongbao Zhou

Published online: 29 July 2022

DOI: https://doi.org/10.1051/ro/2022114

Open Access

Bounds on the disjunctive domination number of a tree p. 2389

Wei Zhuang

Published online: 01 August 2022

DOI: https://doi.org/10.1051/ro/2022105

Open Access

An efficient gradient method with approximately optimal stepsizes based on regularization models for unconstrained optimization p. 2403

Zexian Liu, Wangli Chu and Hongwei Liu

Published online: 01 August 2022

DOI: https://doi.org/10.1051/ro/2022107

Open Access

Dynamic pricing in a two-echelon stochastic supply chain for perishable products p. 2425

Farnia Zarouri, Alireza Arshadi Khamseh and Seyed Hamid Reza Pasandideh

Published online: 01 August 2022

DOI: https://doi.org/10.1051/ro/2022111

Open Access

Dual channel supply chain inventory policies for controllable deteriorating items having dynamic demand under trade credit policy with default risk p. 2443

Mukunda Choudhury and Gour Chandra Mahata

Published online: 01 August 2022

DOI: https://doi.org/10.1051/ro/2022097

Open Access

Dynamic air ticket pricing using reinforcement learning method p. 2475

Jinmin Gao, Meilong Le and Yuan Fang

Published online: 01 August 2022

DOI: https://doi.org/10.1051/ro/2022103

Open Access

Comparative results between the number of subtrees and Wiener index of graphs p. 2495

Kexiang Xu, Jie Li and Zuwen Luo

Published online: 09 August 2022

DOI: https://doi.org/10.1051/ro/2022118

Open Access

A two-stage structure with undesirable outputs: slacks-based and additive slacks-based measures DEA models p. 2513

Keyvan Asanimoghadam, Maziar Salahi, Ali Jamalian and Rita Shakouri

Published online: 09 August 2022

DOI: https://doi.org/10.1051/ro/2022117