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Yugoslav Journal of Operations ResearchPublisher: Faculty of Organizational Sciences, BelgradeISSN: 0354-0243Issue: 33_2Date: 2023Journal Homepage Editorial BoardImpressum   Metaheuristic approaches for the green vehicle routing problem 153 - 198 Luka Matijević   AbstractKeywords: Pollution routing problem; minimization of greenhouse gasses emission; alternative fuel vehicles; recharging stations; sustainabilityMSC: 90B06; 90-02DOI: 10.2298/YJOR211120016M Necessary and sufficient optimality conditions for fractional interval-valued variational problems 199 - 231 Vivekananda Rayanki and Krishna Kummari   AbstractKeywords: Variational programming problem; interval-valued programming problem; LU optimal solution; optimality; dualityMSC: 26A51; 49J35; 90C32DOI: 10.2298/YJOR210815028R Modified converse duality for multiobjective higher order Wolfe type dual program with cone constraints 233 - 237 Sonali Sethi, Navdeep Kailey and Shivani Saini   AbstractKeywords: Multiobjective programming; converse duality theorem; higher order duality; cones; efficient solutionsMSC: 90C29; 90C26; 49N15; 90C46DOI: 10.2298/YJOR210915014S Polyhedral complementarity problem with quasimonotone decreasing mappings 239 - 248 Vadim I Shmyrev   AbstractKeywords: Polyhedral complementarity; piecewise constant mappings; fixed point; duality; monotonicity; algorithmMSC: 90C33; 90-08DOI: 10.2298/YJOR2111016031S Optimality conditions for isoperimetric continuous-time optimization problems 249 - 258 Jelena Vicanović   AbstractKeywords: Continuous-time programming; convex programming; isoperimetric problems; necessary optimality conditions; theorems of the alternativeMSC: 90C30; 90C46DOI: 10.2298/YJOR220415013V Higher order fractional variational symmetric duality over cone constraints 259 - 276 Sony Khatri and Ashish Kumar Prasad   AbstractKeywords: Symmetric duality; variational problem; higher order η-invexity; cone constraintsMSC: 90C29; 90C30; 90C46DOI: 10.2298/YJOR220415035K Does ownership structure affect bank performance in the Covid-19 pandemic period? Evidence from Croatia 277 - 292 Katerina Fotova Čiković, Damira Keček and Joško Lozić   AbstractKeywords: Bank ownership; relative efficiency; data envelopment analysis; window DEA; CroatiaMSC: 90C05DOI: 10.2298/YJOR220615018F Weighted neutrosophic soft multiset and its application to decision making 293 - 308 Carlos Granados, Ajoy K Das and Bright O Osu   AbstractKeywords: Decision-making; soft set; neutrosophic set; neutrosophic soft multiset; weighted neutrosophic soft multiset; weighted neutrosophic soft multiset partMSC: 03H10DOI: 10.2298/YJOR220915034G The inverse k-max combinatorial optimization problem 309 - 322 Tran Hoai Ngoc Nhan, Kien Trung Nguyen, Nguyen Thanh Hung and Nguyen Thanh Toan   AbstractKeywords: Inverse optimization; k-max; bottleneck; convex; combinatorial algorithmsMSC: 90-08; 90B99; 90C27DOI: 10.2298/YJOR220516037N

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