International Journal of Mathematics in Operational Research

2009 - 2025

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Volume 30, issue 1, 2025

Analysis of batch arrival bulk service priority queue with multiple vacation, close down, setup, differentiate breakdown, and repair pp. 1-21

G. Ayyappan and S. Nithya

Optimal greening efforts, pricing and inventory strategies for non-instantaneous deteriorating perishable products under price, freshness and green efforts dependent demand with price discount pp. 22-45

Dharmesh K. Katariya and Kunal T. Shukla

Supplier-retailer-customer trade credit policy for perishables pp. 46-62

P. Jayashri and S. Umamaheswari

Fuzzy weak autocatalytic set for decision making and its application to the project manager selection pp. 63-80

Siti Salwana Mamat, Siti Rahmah Awang and Tahir Ahmad

Analysis of MAP/PH/1 retrial queueing system with two-stage vacations with imperfect service, N-policy service, delayed feedback, unreliable server and discouragement customer pp. 81-110

G. Ayyappan and N. Arulmozhi

The synthesis of the AHP as a well-posed mathematical problem and matrix norms appropriate for sensitivity analysis via condition number pp. 111-134

Gustavo Benitez Alvarez, Rafael Guimarães de Almeida, Cecília Toledo Hernández and Patrícia Alves Pereira de Sousa

Volume 29, issue 4, 2024

Analysis of MAP / PH / 1 queueing system with discarding customers having imperfect service, single vacation, feedback and impatient customers pp. 411-440

G. Ayyappan and G. Archana Alias Gurulakshmi

The Topp-Leone-Marshall-Olkin-G power series class of distributions: properties and applications pp. 441-462

Peter Tinashe Chinofunga, Broderick Oluyede and Fastel Chipepa

Behavioural analysis of a fly ash bricks manufacturing system pp. 463-481

Ritu Rathi

Pricing and return strategies in a dual-channel closed loop supply chain considering complementary products and sales effort pp. 482-510

Subir Guin, Amit Sarkar and Brojeswar Pal

Solving an exploitation-based Marxian fuzzy EOQ model pp. 511-541

Biswajit Roy, Kousik Bhattacharya and Sujit Kumar De

Volume 29, issue 3, 2024

An EOQ model for deteriorating item with backorder and time dependent exponential demand pp. 291-308

Prokash Mondal, Sriparna Chowdhury, Pritha Das, Sanat Kumar Majumder and Kajal De

Achieving optimal resources utilisation in industrial environments: combining polling methods and an exhaustive service discipline with an unreliable service pp. 309-344

G. Ayyappan and S. Sankeetha

On independent domination topological indices of graphs pp. 345-353

Anjaneyulu Mekala, U. Vijaya Chandra Kumar and R. Murali

A sustainable inventory system under the impact of partial trade credit pp. 354-376

Sonia Dua, Sandeep Kumar Mogha and Himani Dem

Recent trends of economic production quantity models (2000-2022) - a literature review pp. 377-409

R. Suvetha, K. Rangarajan and P. Rajadurai

Volume 29, issue 2, 2024

Do asymmetric effect and volatility persistence exist in the Nigerian stock market? pp. 145-162

Udemezue Ndubisi Nnakee, Chi Aloysius Ngong, Chinyere C. Onyejiaku and Josaphat U.J. Onwumere

Finite population and finite capacity single server batch service queues with compulsory working vacation pp. 163-190

R. Kalyanaraman and G. Janani

New conditions of dominance and optimality for single-machine scheduling problems with nested execution intervals pp. 191-213

Samia Ourari and Farouk Yalaoui

Tetracontatetragonal fuzzy number with application of fuzzy transportation problem pp. 214-233

Sudha Rana, Deepak Kumar and Anita Kumari

The Harris-G power series class of distributions with applications pp. 234-257

Wellington Fredrick Charumbira, Broderick Oluyede, Fastel Chipepa and Lesego Gabaitiri

An intelligent chatbot using deep learning with bidirectional GRU and CNN model pp. 258-270

Vaibhav Ghildiyal

Fuzzy multi-objective solid transportation problem: genetic algorithm-based solution approach pp. 271-290

Shubha Agnihotri and Jayesh M. Dhodiya

Volume 29, issue 1, 2024

Solving an EPQ model with Lagrange interpolating polynomial function via game theory approach pp. 1-24

Anup Khan, Sujit Kumar De and Prasun Kumar Nayak

An inventory model and supply chain coordination for ameliorating items allowing for shortages under non-instantaneous replenishment pp. 25-50

Yunfeng Zhang and Ying Qin

Development of a block method for solving multiple order ODEs pp. 51-65

Emmanuel Oluseye Adeyefa, Adewale Adeyemi James, Adeyemi Sunday Olagunju and Folake Lois Joseph

Review the concepts of queues and inventory models pp. 66-93

P. Indumathi and K.`. Karthikeyan

Solving triangular fully fuzzy linear fractional programming problem via parametric approach pp. 94-108

Rebaz Bahram Mustafa and Nejamddin Abdulla Sulaiman

Workforce skill-enhancement policies in manpower systems: modelling, analysis, and structural control pp. 109-143

Kannan Nilakantan

Volume 28, issue 4, 2024

Impact of carbon emission policies on a production inventory model with stock and demand dependent production rate and preservation technology related deterioration pp. 409-430

Srabani Shee and Tripti Chakrabarti

Early prediction of chronic kidney disease via ensemble-deep-learning approach and improved dimensionality reduction approach pp. 431-454

R. Sengothai and R. Sivaraman

Cost benefit analysis for non-Markovian bulk queue with server failure pp. 455-474

S. Palaniammal and S. Pradeep

A novel approach for analysis fuzzy reliability of washing system using q-rung orthopair fuzzy set theory pp. 475-490

Sudha Rana, Suneel Kumar, Deepak Kumar and Anita Kumari

Analysis of M [ X 1 ], M [ X 2 ] / G 1, G 2 /1 retrial queue with priority services, differentiate breakdown, delayed repair, Bernoulli feedback, balking and working vacation pp. 491-513

G. Ayyappan and S. Nithya

A neutrosophic application to the transportation problem with mixed constraints using single-valued trapezoidal neutrosophic numbers pp. 514-525

Kalaivani Kaspar and Palanivel Kaliyaperumal

Solving fuzzy shortest path problem with vertex transfer penalties under type-2 fuzzy environment pp. 526-548

Babita Chaini and Narmada Ranarahu

Volume 28, issue 3, 2024

A hybrid transformer-based BERT and LSTM approach for vulnerability classification problems pp. 275-295

Mounesh Marali, R. Dhanalakshmi and Narendran Rajagopalan

Assignment model for employing skilled IT professionals for appropriate job roles under uncertainty with different ranking approaches using membership functions pp. 296-324

Jency Leona Edward and Palanivel Kaliyaperumal

A marketing-oriented production inventory model under hybrid carbon policy with carbon emission origin-based green investments pp. 325-346

Srabani Shee and Tripti Chakrabarti

Water distribution networks leak detection using graph theory and optimised LSTM pp. 347-373

R. Sengothai and R. Sivaraman

Optimality and duality results for non-smooth vector optimisation problems with K - V -type I functions via local cone approximations pp. 374-395

Tadeusz Antczak and Kalpana Shukla

Forecasting the stock direction using ensemble random forest pp. 396-407

K. Senthamarai Kannan and V. Parimyndhan

Volume 28, issue 2, 2024

Sensitivity analysis of the optimum solution to perturbations of the profit of an item in the multiple-choice knapsack problem pp. 147-162

Luay Aljasim and Ferhan Al-Maliky

The Marshall-Olkin exponentiated half logistic-type II Topp-Leone-G family of distributions with applications pp. 163-194

Broderick Oluyede, Neo Dingalo and Fastel Chipepa

Optimal inventory economic order quantity model for inventory system with imperfect inspection processes pp. 195-208

Julia T. Thomas and Mahesh Kumar

Cost analysis of a transient Markovian queueing model with provision of options between regular and working vacation pp. 209-229

Mayank Singh, Madhu Jain and A. Azhagappan

Decaying inventory model with different rates and varying costs under preservation technology investment pp. 230-252

Abhinav Goel and Anshika Singh

A new three-term conjugate gradient method for unconstrained optimisation and its applications in image restoration pp. 253-273

Hisham M. Khudhur and Hind H. Mohammed

Volume 28, issue 1, 2024

Ekeland variational principle on intuitionistic fuzzy quasi metric spaces pp. 1-17

Riya Dutta and Prasun Kumar Nayak

Preservation technology investment: a catalyst for sustainable two-warehouse inventory model and SDG achievement pp. 18-39

Manoj Kumar Sharma and Divya Mandal

A hybrid modified cuckoo search algorithm for the uncapacitated examination timetabling pp. 40-59

Meryem Cheraitia and Rewayda Razaq Abo Alsabeh

Study of a birth-death process with population independent death rate pp. 60-77

Mathew P. Sindu and Narayanan C. Viswanath

A belief-degree-based two-stage multi-objective solid transportation problem in a green supply chain pp. 78-104

Vandana Y. Kakran and Jayesh M. Dhodiya

Survey on queuing models with discouragement, policies and vacation pp. 105-145

C.K. Anjali and Sreekanth Kolledath