1 “... on this subject. This area has been well recognized as an important and rapidly developing area of nonlinear...”

2 “... area of mathematical programming that is based on by now classical concepts of variational analysis...”

3 “...Variational analysis is a fruitful area in mathematics that, on the one hand, deals with the study...”

4 “...Variational analysis has been recognized as a fruitful area in mathematics that on the one hand...”

5 “... as microeconomics, and related areas. It will be of great use to researchers and professionals in applied...”