In this paper, ﬁrst order optimality conditions for certain type of interval valued smooth multiobjective optimization problems are discussed. Also a number of duality results corresponding to this optimization problem are given. The necessary weak and strong optimality conditions are given by using some new regularity conditions and the sufﬁcient optimality conditions and duality results for Wolfe type dual are stated under (ϕ,ρ)−invexity assumptions.
”Costin C. Kiriescu” National Institute of Economic Research, Bucharest, Romania and ”Gheorghe Mihoc-CaiusIacob”InstituteofMathematicalStatisticsandAppliedMathematics,Bucharest,Romania.
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