RAIRO - Operations Research

Open Access

Flexible fractional transportation problem with multiple goals: a pentagonal fuzzy concept p. 3789

Mohd Arif Khan, Ahteshamul Haq and Aquil Ahmed

Published online: 04 November 2022

DOI: https://doi.org/10.1051/ro/2022169

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Open Access

Coordination efficiency for general two-stage network system p. 3801

Tianyi Zhao, Jianhui Xie, Ya Chen and Liang Liang

Published online: 04 November 2022

DOI: https://doi.org/10.1051/ro/2022180

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Open Access

Optimal product quality and pricing strategy for a two-period closed-loop supply chain under return policy p. 3817

Tarun Maiti

Published online: 11 November 2022

DOI: https://doi.org/10.1051/ro/2022190

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Open Access

On r-hued coloring of product graphs p. 3845

Lingmei Liang, Fengxia Liu and Baoyindureng Wu

Published online: 11 November 2022

DOI: https://doi.org/10.1051/ro/2022186

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Open Access

Construction of supply chain coordination and optimization model of fresh food e-commerce platform based on improved bacterial foraging algorithm p. 3853

Juan He

Published online: 11 November 2022

DOI: https://doi.org/10.1051/ro/2022179

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Open Access

Enterprises’ decision-making under government green subsidy and information asymmetry p. 3871

Haohao Song and Ying Wang

Published online: 11 November 2022

DOI: https://doi.org/10.1051/ro/2022157

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Open Access

A makespan minimization problem for versatile developers in the game industry p. 3895

Chung-Ho Su and Jen-Ya Wang

Published online: 18 November 2022

DOI: https://doi.org/10.1051/ro/2022191

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Open Access

A novel ranking approach with common weights: An implementation in the presence of interval data and flexible measures p. 3915

Somayeh Ramezani-Tarkhorani and Mahdi Eini

Published online: 25 November 2022

DOI: https://doi.org/10.1051/ro/2022133

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Open Access

Inventory pooling and pricing decisions in multiple markets with strategic customers p. 3941

Xuantao Wang, Zhiming Chen, Shaorui Zhou, Mingfang Hu and Jianjie Ke

Published online: 25 November 2022

DOI: https://doi.org/10.1051/ro/2022163

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Open Access

A class of new search directions for full-NT step feasible interior point method in semidefinite optimization p. 3955

Loubna Guerra

Published online: 25 November 2022

DOI: https://doi.org/10.1051/ro/2022192

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Open Access

Pricing rainbow option for uncertain financial market p. 3973

Rong Gao and Xiaoli Wu

Published online: 25 November 2022

DOI: https://doi.org/10.1051/ro/2022195

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Open Access

A bi-objective integrated transportation and inventory management under a supply chain network considering multiple distribution networks p. 3991

Srikant Gupta, Lokesh Vijaygargy and Biswajit Sarkar

Published online: 25 November 2022

DOI: https://doi.org/10.1051/ro/2022164

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Open Access

On generating fuzzy Pareto solutions in fully fuzzy multiobjective linear programming via a compromise method p. 4035

Manuel Arana-Jiménez

Published online: 29 November 2022

DOI: https://doi.org/10.1051/ro/2022196

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Open Access

An efficient new hybrid CG-method as convex combination of DY and CD and HS algorithms p. 4047

Amina Hallal, Mohammed Belloufi and Badreddine Sellami

Published online: 29 November 2022

DOI: https://doi.org/10.1051/ro/2022200

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Open Access

Sun toughness and path-factor uniform graphs p. 4057

Hongxia Liu

Published online: 29 November 2022

DOI: https://doi.org/10.1051/ro/2022201

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Open Access

How to subsidizing the used apparel recycling supply chains effective? An analysis based on the game framework p. 4063

Zongxian Wang

Published online: 29 November 2022

DOI: https://doi.org/10.1051/ro/2022193

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Open Access

An application of fuzzy logistic regression for predicting CVSS severity category of industrial control systems p. 4083

Ahmet Murat Dere and Mehmet Kabak

Published online: 29 November 2022

DOI: https://doi.org/10.1051/ro/2022189

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Open Access

Role of flexible data in evaluation productivity and cost efficiency using data envelopment analysis p. 4113

M. Shahkooeei, F. Rezai Balf, M. Rabbani and M. Fallah Jelodar

Published online: 29 November 2022

DOI: https://doi.org/10.1051/ro/2022181

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Open Access

A hyper-heuristic for distributed parallel machine scheduling with machine-dependent processing and sequence-dependent setup times p. 4129

Javad Behnamian and Hamed Asgari

Published online: 05 December 2022

DOI: https://doi.org/10.1051/ro/2022194

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Open Access

Building a sustainability in a two-echelon closed loop supply chains: a mathematical approach for permissible delay in payment and backlogging p. 4145

Mohsen Lashgari, Seyed Jafar Sadjadi, Ata Allah Taleizadeh and Mahdi Heydari

Published online: 05 December 2022

DOI: https://doi.org/10.1051/ro/2022127

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Open Access

Hermite–Hadamard type inequality for (E, F)-convex functions and geodesic (E, F)-convex functions p. 4181

Wedad Saleh

Published online: 13 December 2022

DOI: https://doi.org/10.1051/ro/2022185

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Open Access

A country-based review in COVID-19 related research developments p. 4191

Nikunja Mohan Modak, Sudipta Sinha and Shib Sankar Sana

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022199

• Abstract
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Open Access

Z-trapezoidal risk assessment for multi-objective Hazmat routing model with time windows p. 4229

Fatemeh Zandieh and Seyed Farid Ghannadpour

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022197

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Open Access

An inventory model with uncertain demand under preservation strategy for deteriorating items p. 4251

Amalendu Singha Mahapatra, Arup Dasgupta, Ashok Kumar Shaw and Biswajit Sarkar

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022145

• Abstract
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Open Access

Fix-and-optimize metaheuristics for minmax regret binary integer programming problems under interval uncertainty p. 4281

Iago A. Carvalho, Thiago F. Noronha and Christophe Duhamel

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022198

• Abstract
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Open Access

Optimality conditions for MPECs in terms of directional upper convexifactors p. 4303

Nazih Abderrazzak Gadhi and Mohamed Ohda

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022203

• Abstract
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Open Access

Path-factor critical covered graphs and path-factor uniform graphs p. 4317

Jie Wu

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022208

• Abstract
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Open Access

A single-stage cleaner production system with waste management, reworking, preservation technology, and partial backlogging under inflation p. 4327

Pankaj Bhatnagar, Satish Kumar and Dharmendra Yadav

Published online: 21 December 2022

DOI: https://doi.org/10.1051/ro/2022202

• Abstract
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Open Access

On a timetabling problem in the health care system p. 4347

Intesar Al-Mudahka and Reem Alhamad

Published online: 23 December 2022

DOI: https://doi.org/10.1051/ro/2022182

• Abstract
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