Proper solutions of vector optimization problems
Journal of Optimization Theory and Applications
Optimality conditions via norm scalarization in vector optimization
SIAM Journal on Control and Optimization
On the notion of proper efficiency in vector optimization
Journal of Optimization Theory and Applications
Unified representation of proper efficiency by means of dilating cones
Journal of Optimization Theory and Applications
Strict Efficiency in Set-Valued Optimization
SIAM Journal on Control and Optimization
Journal of Global Optimization
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We establish both necessary and sufficient optimality conditions of higher orders for various kinds of proper solutions to nonsmooth vector optimization in terms of higher-order radial sets and radial derivatives. These conditions are for global solutions and do not require continuity and convexity assumptions. Examples are provided to show advantages of the results over existing ones in a number of cases.