2 papers
math.OC2025
Directional Subdifferentials at Infinity and Its Applications
Le Ngoc Kien, Nguyen Van Tuyen, Tran Van Nghi
This paper investigates the behavior of sets and functions at infinity by introducing new concepts, namely directional normal cones at infinity for unbounded sets, along with limit…
math.OC2025
On the existence and the stability of solutions in nonconvex vector optimization
Tran Van Nghi, Le Ngoc Kien, Nguyen Van Tuyen
The paper is devoted to the existence of weak Pareto solutions and the weak sharp minima at infinity property for a general class of constrained nonconvex vector optimization probl…