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International Journal of Mathematics in Operational Research, Volume 32
Volume 32, Number 1, 2025
- G. Ayyappan, S. Meena:

Analysis of MAP/PH/1 retrial inventory queueing system with phase type vacation and unreliable server. 1-30 - Manoj Kumar Sharma

, Neha Rani, Anshika Rajpal:
Balancing sustainability and profitability in inventory management: insights into carbon emissions, consumer demands, payment strategies, and green investments. 31-89 - Aniket Sarjerao Todkar, Jayesh M. Dhodiya:

Enhanced non-dominated sorting genetic algorithms for fuzzy multi-objective multi-route shortest path problem. 90-122 - Ameer Hassan Abdullahi, Abdulhadi Aminu, Ibrahim Yusuf:

Enhancing reliability and performance of sequential chiller system using copula. 123-144
Volume 32, Number 2, 2025
- Joshua Sunday, Joel N. Ndam

, Anthony Chukwuemeka Onyekonwu:
Self-adjusting formulae for the solution of fuzzy differential equations with triangular fuzzy numbers. 145-178 - Sunita Sharma, Vinod Kumar, S. B. Singh:

Reliability measures of repairable k-out-of-n system using weighted exponential-Lindley distribution. 179-198 - Yassine Adouani:

A genetic algorithm combined with mathematical programming to solve generalised quadratic multiple knapsack problem. 199-213 - K. Vasantha Lakshmi, K. N. Udaya Kumara:

Graphical neural network-based MCDM for evaluating sustainable city logistics measures. 214-238 - Sudipta Mishra, Rashmi Ranjan Ota:

Lexicographic multi-objective geometric programming problems with pentagonal fuzzy parameters using robust method. 239-250 - Abdelhek Laouar, Mohand Ouamer Bibi:

An adaptive hybrid direction algorithm for convex box-QP problems with enhanced pre-solving. 251-275
Volume 32, Number 3, 2025
- K. Baby Saroja, V. Suvitha:

Analysis of Markovian queueing model with two phase of services, single and multiple working vacations and customer balking. 277-293 - Dibakar Dutta, Palash Dutta, Brindaban Gohain:

Construction of distance measure for Fermatean fuzzy sets and its application in educational assessment and medical diagnosis. 294-330 - Arpita Kabiraj, Swapan Raha, Prasun Kumar Nayak:

Nonlinear fuzzy programming - a case study. 331-347 - Dolagobinda Das, Gauranga Charan Samanta:

A sustainable demand disruption recovery model considering non-zero lead time and advance payment policy during any emergency like COVID-19 pandemic. 348-389 - Santosh Shekhawat, Kalpna Sharma:

Profit optimisation for deteriorating products with price and stock-based demand with partial credit policy. 390-425 - Fatima Hessas

, Mouloud Goubi, Noria Benkhemmou:
A new approach for counting patterns in language theory, matchings, and set partitions. 426-442
Volume 32, Number 4, 2025
- Santosh Shekhawat, Kalpna Sharma:

Manufacturing supply chain with considering carbon cap policy and revenue from deteriorated items. 443-464 - Manoj Kumar Sharma

, Neha Rani, Kanika, Khushi Saini:
Exploring sustainable inventory control models from 2011 to 2023: a comprehensive review. 465-490 - Houria Boussouira, Mohand Ouamer Bibi:

Solving mixed integer linear programming problems with bounded variables by the adaptive method. 491-510 - M. Balamurugan, A. Bharathiraja:

An optimised graph recurrent neural network with chimp explored equilibrium optimisation-based e-commerce recommendation system. 511-535 - Jay Chandra Yadav, Mohammad Rizwanullah:

Optimisation of fuzzy transportation problem using new ranking approach with fuzzy numbers. 536-550 - Manisha Pant, Neelanjana Rajput, Seema Sharma

, Anand Chauhan:
A sustainable production model for Industry 4.0 with fuzzy optimisation approach. 551-570

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