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Yugoslav Journal of Operations ResearchPublisher: Faculty of Organizational Sciences, BelgradeISSN: 0354-0243Issue: 34_2Date: 2024Journal Homepage Editorial BoardImpressum   A Pythagorean Hesitant Fuzzy Programming Approach and Its Application to Multi Objective Reliability Optimization Problem 201 - 227 Swarup Jana and Sahidul Islam   AbstractKeywords: Parabolic Pythagorean fuzzy number; Pythagorean hesitant fuzzy set; Pythagorean hesitant fuzzy aggregation operator; Multi objective reliability optimizationMSC: 03B52 90C29DOI: 10.2298/YJOR230417024J Entrepreneurs’ Preferences Towards Online Market Research Packages: А Discrete Choice Analysis 229 - 244 Ognjen Nikolić   AbstractKeywords: Discrete choice analysis; preference; entrepreneurs; market research; innovationMSC: 62K10 91B08DOI: 10.2298/YJOR230815026N Performance Approximations of Markov Modulated Poisson Process Arrival Queue With Markovian Service Using Matrix Geometric Approach 245 - 256 Raghavendran Ramanathan and Vidhya Varadharajan   AbstractKeywords: (MMP P); (MSP); performance analysis; quasi-birth-death process; structured Markov chain; optimal costMSC: 37A50 37L55DOI: 10.2298/YJOR230715027R A Production Inventory Model for Ameliorating and Deteriorating Items With Two Levels of Production Under Time Dependent Quadratic Demand and Preservation Technology Investment 257 - 284 Ajoy Hatibaruah and Sumit Saha   AbstractKeywords: Production inventory model; amelioration; deterioration; preservation technology investment; time dependent quadratic demand; two level production ratesMSC: 90B05DOI: 10.2298/YJOR220515028H Analysis of Single Server Repairable Queueing System With Many Kinds of Service, Single Working Vacation and Standby Server 285 - 306 K Baby Saroja and V Suvitha   AbstractKeywords: Markovian arrival process; phase-type distribution; standby; breakdown; single working vacationMSC: 60K25 60K30DOI: 10.2298/YJOR230915029B Reliability Analysis and ANFIS Computation for Multi-server Redundant Machining System with the Generalized Triadic Policy 307 - 336 Parmeet Kaur Chahal, Kamlesh Kumar and Bhavneet Soodan   AbstractKeywords: Redundant machine repair system; multiple working vacation; Runge-Kutta’s method; generalized triadic policy; pearson correlation coefficient and ANFISMSC: 60J22 60J28DOI: 10.2298/YJOR230915030C Fast Approximation Algorithms for Some Maximin Clustering Problems 337 - 353 V. Khandeev and S. Neshchadim   AbstractKeywords: Euclidean space; clustering; max-min problem; NP-hardness; bounded scatter; approximation algorithmMSC: 90C27 90C59DOI: 10.2298/YJOR2023021K Enhancing Fruit Orchard Establishment: A Multicriteria Approach for Plum Variety Selection 355 - 380 Miroslav Nedeljković, Adis Puška, Marko Jeločnik, Darko Božanić, Jonel Subić, Anđelka Štilić and Aleksandar Maksimović   AbstractKeywords: Plums; decision-making model; MARCOS; FUCOM; CRITICMSC: 08A72 68U35DOI: 10.2298/YJOR230815033N On Some Theoretical Developments of Interval Metric Space 381 - 404 Rukhsar Khatun, Md Sadikur Rahman, Amar Banerjee and Asoke Bhunia   AbstractKeywords: Interval uncertainty; interval distance; interval diameter; interval product metricMSC: 46T99 47H04DOI: 10.2298/YJOR230415032K

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