International Journal of Mathematics in Operational Research

2009 - 2025

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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

Volume 27, issue 4, 2024

Analysis of MAP / PH /1 queue with differentiated vacation, vacation interruption under N-policy, optional service, breakdown, repair, setup and discouragement of customers pp. 415-457

G. Ayyappan and G. Archana Alias Gurulakshmi

Efficient clustering-based constructive heuristics for capacitated vehicle routing pp. 458-478

Ankan Bose and Dipak Laha

Economic order quantity model for Pareto distributed decaying products with quadratic demand, shortage and salvage value pp. 479-495

Uttam Kumar Sharma, Varun Mohan, S. Sindhuja and Pervaiz Iqbal

A novel approach to find simple, pragmatic solutions to transportation problems pp. 496-508

Satakshi and Vishal V. Henry

Dependability prediction of a hybrid multi client computer networking system using Gumbel-Hougaard family copula pp. 509-530

Abubakar Bawa Zarogi, Abdulkareem Lado Ismail and Nura Jibrin Fagge

Quasi-birth-and-death processes to determine economic order quantity of a queueing inventory system with impatient customers pp. 531-549

R. Sivasamy, Keamogetse Setlhare and Olebogeng Mokgware

Volume 27, issue 3, 2024

A backorder inventory model considering price-sensitive and stock-dependent demand pp. 291-304

Dharma Lesmono, Taufik Limansyah and Ignatius A. Sandy

Decision-making analysis for a new variant of the classical secretary problem pp. 305-316

Yu Wu

Statistical-based multi-criteria decision making approach for prediction of the grade of an institution in NAAC pp. 317-327

Sukarna Dey Mondal, Dipendra Nath Ghosh and Pabitra Kumar Dey

A single server finite buffer Geom / G /1/ K queue with L limited service and multiple vacation policy pp. 328-353

K. Sikdar

Multi-goal multi-product fuzzy solid transportation problem via goal programming technique pp. 354-376

Gollapudi Prathyusha, K.N. Udaya Kumar and G.A. Vatsala

Cyprinus carpio feed cost optimisation using the linear programming technique: a case study in Iraq pp. 377-392

Qusay Mohammed Abdulateef, Syariza Abdul-Rahman and Hazem Sabri Abedalhammed

An EOQ model for seasonal product with ramp-type time and stock dependent demand, shortage and partial backorder pp. 393-413

Prokash Mondal, Pritha Das and Sudhansu Khanra

Volume 27, issue 2, 2024

An EOQ inventory policy varying with exponential-constant-exponential demand and shortages pp. 145-166

Itishree Rout, Trailokyanath Singh and Ameeya Kumar Nayak

Multi-objective perishable multi-item green inventory models with uncertain finite time horizons and constraints by neutrosophic optimisation approach pp. 167-198

Chaitali Kar, Manoranjan De, Manoranjan Maiti and Pritha Das

New population-based simple algorithms for solving global optimisation problems pp. 199-222

A. Baskar, M.A. Sai Balaji, Jitendra Kumar Katiyar, Bharti Nagpal and J. Rajesh Babu

Aspiration level-based non-dominated sorting genetic algorithm-II and III for multi-objective shortest path problem in a trapezoidal environment pp. 223-253

Aniket Todkar and Jayesh M. Dhodiya

Optimal server analysis of M/M/c queueing model to reduce the waiting time of patients in healthcare service pp. 254-266

K. Preethi Sowndharya and J. Ebenesar Anna Bagyam

Mean time to failure modelling and sensitivity analysis of mixed standby serial systems pp. 267-289

Ibrahim Yusuf, Muhammad Sagir Aliyu and Mus'abu Musa

Volume 27, issue 1, 2024

A new heavy-tailed exponentiated generalised-G family of distributions: properties and applications pp. 1-34

Gomolemo Jacqueline Lekono, Broderick Oluyede and Lesego Gabaitiri

RAMD approach to performance estimation of fog-to-fog collaboration using software-defined networking pp. 35-62

Ibrahim Yusuf and Muhammad Kabeer

Approximately optimum strata boundaries under super population model pp. 63-74

Faizan Danish and S.E.H. Rizvi

Optimal order quantity and credit period for a time-dependent deteriorated green item under two-level trade credit with reminder cost: a new approach pp. 75-104

Gautam Kumar, Sukhendu Bera, Guruprasad Samanta and Manoranjan Maiti

A single server Markovian differentiated working vacation queue with server breakdown pp. 105-120

V. Karthick, V. Suvitha and Rathinasabapathy Kalyanaraman

Risk analysis on product quality improvement and supply chain performance for return contract with warranty pp. 121-143

Shirsendu Nandi