We present a survey of some selected recent developments (results and methods) in the theory of Ulam's type stability. In particular we provide some information on hyperstability and the fixed point methods.
"On Some Recent Developments in Ulam's Type Stability." Abstr. Appl. Anal. 2012 (SI14) 1 - 41, 2012. https://doi.org/10.1155/2012/716936