Additive and quadratic set-valued $k$-functional inequalities and their stability

Document Type : Special issue editorial


Department of Mathematics and Statistics, Faculty of Science and Technology, Thammasat University, Pathum Thani, 12120, Thailand


The aims of this work are first solving set-valued functional inequalities involving additive and quadratic set-valued mappings, and second investigations of their stability by using the fixed point method.


Volume 14, Issue 1
January 2023
Pages 1047-1062
  • Receive Date: 10 January 2021
  • Revise Date: 10 March 2021
  • Accept Date: 20 March 2021