In this paper, we establish the generalized Hyers-Ulam stability problem of radical quadratic functional equations f(root x(2) + y(2)) = f(x) + f(y) in fuzzy Banach spaces via the direct and fixed point methods.
On stability of functional equations related to quadratic mappings in fuzzy Banach spaces
Creators - without role
Seong Sik Kim - Dong-Eui University
Nawab Hussain - King Abdulaziz University
Yeol Je Cho - King Abdulaziz University
Publication Details
Journal of inequalities and applications, Vol.2014(1), pp.231-12
Publisher
Springer Nature
Number of pages
12
Grant note
Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah
2013AA071 / Dongeui University
DSR, KAU
NRF-2013053358 / National Research Foundation of Korea - Ministry of Education, Science and Technology; Ministry of Education, Science & Technology (MEST), Republic of Korea; National Research Foundation of Korea