International Journal of Mathematics in Operational Research

2009 - 2025

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Volume 20, issue 2, 2021

A partially backlogged two-warehouse EOQ model with non-instantaneous deteriorating items, price and time dependent demand and preservation technology using interval number pp. 149-181

Biman Kanti Nath and Nabendu Sen

Neoteric divergence measure for refined interval-valued neutrosophic sets and its application in decision making pp. 182-206

Adeeba Umar and Ram Naresh Saraswat

A multi-stage model to study inventory management of raw materials with shortages pp. 207-238

Nabajyoti Bhattacharjee and Nabendu Sen

Adaptive black widow optimisation algorithm for data clustering pp. 239-263

Anmar Abuhamdah

EOQ model with a discount rate of inflation and optimisation with pentagonal fuzzy number pp. 264-280

Neelanjana Rajput, Anand Chauhan and R.K. Pandey

New class of estimators for enhanced estimation of average production of peppermint yield utilising known auxiliary variable pp. 281-295

S.K. Yadav, Dinesh K. Sharma and Kate Brown

Volume 20, issue 1, 2021

Performance evaluation of call admission control based on signal quality in cellular mobile networks pp. 1-19

Rakhee Kulshrestha and Shruti

Optimal routing control of a retrial queue with two-phase service pp. 20-40

Zineb Dahmane and Amar Aissani

A quadratic demand EOQ model for deteriorating items with time dependent shortage pp. 41-59

S. Sindhuja, P. Arathi and Varun Mohan

On the Gerber-Shiu function of a MAP risk model with possible delayed phase-type by-claims pp. 60-84

A.S. Dibu and M.J. Jacob

A c -server Poisson queue with customer impatience due to a slow-phase service pp. 85-98

R. Sivasamy and Peter O. Peter

An inventory model for ameliorating and deteriorating items with stock and price dependent demand and time dependent holding cost with preservation technology investment pp. 99-122

Ajoy Hatibaruah and Sumit Saha

Optimal production time and preservation technology investment for seasonal deteriorating products with a generalised ramp-type demand pp. 123-148

Haimanti Pal, Sudarshan Bardhan and Bibhas Chandra Giri

Volume 19, issue 4, 2021

Characterisation and simulation of polymer membrane and PVC HDPE to use in an automotive application pp. 417-436

Felipe S. Torres, Javier Martínez-Gómez, Marcelo Moya and Ricardo A. Narvaez C.

Simulation of a phase change material for an automotive thermal insulation system pp. 437-455

Andres P. Mendez, Javier Martínez-Gómez and Juan Francisco Nicolalde

Malmquist Luenberger productivity index for microfinance productivity measurement pp. 456-489

V. Lavanya and M. Sai Mohini

Stochastically escaping model in a tumour cell growth system driven by a Poisson process pp. 490-499

Mohamed Abd Allah El-Hadidy

Local convergence of two Newton-like methods under Hölder continuity condition in Banach spaces pp. 500-514

Debasis Sharma and Sanjaya Kumar Parhi

A mathematical model to forecast future banking income pp. 515-529

Taufik Hidayat and Rahutomo Mahardiko

Availability analysis of a complex system consisting of two subsystems in parallel configuration with replacement at failure pp. 530-550

Ibrahim Yusuf and Ismail Muhammad Musa

Volume 19, issue 3, 2021

Analysis of MAP/PH/1 queueing model with immediate feedback, starting failures, single vacation, standby server, delayed repair, breakdown and impatient customers pp. 269-301

G. Ayyappan and K. Thilagavathy

Stochastic modelling and performance analysis of feeding unit in paper plant pp. 302-316

Nitin Panwar and Sanjeev Kumar

An effective movie recommender system enhanced with time series analysis of user rating behaviour pp. 317-331

Bam Bahadur Sinha and R. Dhanalakshmi

Line planning and passenger routing problem with application to the Quito transportation system pp. 332-353

Ramiro Torres

Cost analysis of N-policy vacation machine repair problem with optional repair pp. 354-374

Ritu Gupta and Divya Agarwal

Capital heterogeneity, entrepreneurship and two-way capital flows pp. 375-386

Abdelkader Mohamed Sghaier Derbali and Ali Lamouchi

Detecting outliers in DEA after correcting biases in efficiency scores using simulated beta samples pp. 387-400

Parakramaweera Sunil Dharmapala

A modified ranking function of linear programming problem directly approach to fuzzy environment pp. 401-416

Rajeev Prasad, Sapan Kumar Das, Tarni Mandal and Jatindra Kumar Dash

Volume 19, issue 2, 2021

Optimal control of production time of perishable inventory system with postponed demands pp. 129-144

N. Sangeetha, B. Sivakumar and P. Anitha

Poisson queues with Markov modulated service rates pp. 145-160

R. Sivasamy, N. Paranjothi, Keoagile Thaga and G. Paulraj

Operational matrix method for solving Riccati differential equation by using hybrid third kind Chebyshev polynomials and block-pulse functions pp. 161-179

Reza Jafari

Existence of optimal N -slinky-turn-spiral search paths for finding N -dimensional Brownian target pp. 180-203

Mohamed Abd Allah El-Hadidy

On optimality conditions for interval optimisation problems using generalised Hukuhara difference and constrained interval arithmetic pp. 204-219

Shaveta Kumari and Saurabh Srivastava

Selection of a phase change material by using the multi-criteria selection method for use in an automotive thermal insulation system pp. 220-246

Andres Mendez, Javier Martínez-Gómez and Nicolalde Juan Francisco

Optimising a fuzzy multi-objective inventory model under different solution method pp. 247-268

R.H. Waliv

Volume 19, issue 1, 2021

Optimality and suboptimality criteria in a quadratic problem of optimal control with a piecewise linear entry pp. 1-18

Fouzia Ghellab and Mohand Ouamer Bibi

Transient behaviour of a Markovian vacation queue with re-service balking control of admission closedown and setup times pp. 19-44

A. Azhagappan and T. Deepa

Variant working vacation Markovian queue with second optional service, unreliable server and retention of reneged customers pp. 45-64

Vijaya Laxmi Pikkala and Girija Bhavani Edadasari

A seller-buyer supply chain model with fixed and variable labour capacity along with advertising cost and demand pp. 65-84

Sandipa Bhattacharya and Seema Sarkar Mondal

Economic order quantity models for the remanufacturing industry with imperfect process, two-state Markovian and two types of inventory pp. 85-103

Muhammad Al-Salamah

Analysis of fuzzy inventory model for Gompertz deteriorating items with linear demand and shortages pp. 104-128

K. Senbagam and M. Kokilamani

Volume 18, issue 4, 2021

Unilateral 2D Markov-switching autoregressive model pp. 433-443

Houria Djafri and Soumia Kharfouchi

A two-vehicle two-stage solid transportation problem with bi-fuzzy coefficients through genetic algorithm pp. 444-464

Dipak Barman, Anjana Kuiri and Barun Das

On sufficiency and duality for semi-infinite multiobjective optimisation problems involving V-invexity pp. 465-483

Pushkar Jaisawal, Tadeusz Antczak and Vivek Laha

Solving the joint production distribution problem by the variable neighbourhood search algorithm pp. 484-502

Nejah Ben Mabrouk, Bassem Jarboui and Mansour Eddaly

An integrated approach of adaptive neuro-fuzzy inference system and dynamic data envelopment analysis for supplier selection pp. 503-527

Mohsen Shafiei Nikabadi and Hossein Fallah Moghaddam

On a two-server reliability system with one-server idle below a threshold pp. 528-544

P.V. Ushakumari

Locust swarm optimisation for the permutation flow shop scheduling problem pp. 545-565

Mohanad Al-Behadili, Huda Zaki and Khaldoun Al-Yasiri

Volume 18, issue 3, 2021

Fractile criterion iterative-interactive optimisation process for multi-objective stochastic linear programming problems in fuzzy environment pp. 289-309

Arindam Garai

On solving linear programming problem by duality approach in neutrosophic environment pp. 310-335

Tuhin Bera and Nirmal Kumar Mahapatra

Multi-period mean-variance portfolio selection in a regime-switching market with a bankruptcy state and a state-dependent uncertain exit-time pp. 336-359

Reza Keykhaei

Solving the one-dimensional cutting stock problem under discrete, uncertain, time-varying demands using a hybrid of special-purpose Benders' decomposition and column generation pp. 360-383

Aphisak Witthayapraphakorn, Sasarose Jaijit and Peerayuth Charnsethikul

Numerical study on transient behaviour of finite bulk arrival or service queues with multiple working vacations pp. 384-403

Rajesh Kumar, Souvik Ghosh and Abhijit Datta Banik

Random machine breakdown and stochastic corrective maintenance period on a production inventory system with safe period pp. 404-432

Subhankar Adhikari and Brojeswar Pal

Volume 18, issue 2, 2021

A software reliability growth model considering testing coverage subject to field environment pp. 145-153

Sulekha Rani, Priyanka Agarwal, Madhu Jain and Rahul Solanki

Energy analysis of adobe performance as a housing construction material in Ecuador pp. 154-168

Luis Felipe Godoy Vaca, Javier Martínez Gómez, Mario Fernando Bustamante Crespo and A. Jonathan Riofrio Trujillo

Algorithmic approach to time-cost analysis of queued commodity flowing through critical path pp. 169-186

Prem Prakash Mishra, T. Poongodi, S.K. Yadav and S.S. Mishra

Multi-criteria decision making for lower bumper stiffener material change in a sports utility vehicle with CAE simulation pp. 187-209

Andrés Villarruel-Jaramillo, Juan Carlos Rocha-Hoyos, Edilberto Antonio Llanes Cedeño and Javier Martínez-Gómez

Optimal 3-dimensional search model to find the underwater randomly hidden target pp. 210-235

Mohamed Abd Allah El-Hadidy and M. Fakharany

Solving multi-objective chance constrained programming problem involving three parameters log normal distribution pp. 236-253

Srikumar Acharya, Berhanu Belay and Rajashree Mishra

Multiplicative determination of priority weights in a fuzzy analytic hierarchy process pp. 254-263

Tanja Van Hecke

Refined descriptive sample inference in the estimation of the cumulative distribution function pp. 264-287

Oualid Saci and Megdouda Ourbih-Tari

Volume 18, issue 1, 2021

Hermite Hadamard and Fejer type integral inequalities for harmonic convex (concave) fuzzy mappings pp. 1-20

Minakshi Parida and Sunita Chand

Fuzzy facility location problem with point and rectangular destinations pp. 21-44

Nemat Allah Taghi-Nezhad, Sadjad Moradi and Gholamreza Karamali

Activity couple with interdependent durations: serial, parallel or partly overlapping scheduling? pp. 45-70

Gregory Gurevich, Baruch Keren and Zohar Laslo

Multi-step crossover genetic algorithm for bi-criteria parallel machine scheduling problems pp. 71-84

Sameer Sharma, Mehak Chadha and Harpreet Kaur

New family of estimators for population mean using regression-cum-ratio exponential estimators pp. 85-114

S.K. Yadav, Cem Kadilar and Dinesh K. Sharma

Symbiotic organisms search algorithm based model reduction of higher order continuous systems pp. 115-125

S.P. Singh, Varsha Singh and V.P. Singh

A multi-objective model to allocate multiple facilities at proposed locations in the multi-floor organisation, using an improved genetic algorithm. Case study: Isfahan Governorate pp. 126-144

Mehdi Safaei and Meisam Nasrollahi