More on stability of two functional equations

Longfa Sun; Yunbai Dong

doi:10.37863/umzh.v75i6.7121

Longfa Sun School of Mathematics and Physics, North China Electric Power University, Baoding, China
Yunbai Dong Hubei Key Laboratory of Applied Mathematics, Faculty of Mathematics and Statistics, Hubei University, Wuhan, China

DOI: https://doi.org/10.37863/umzh.v75i6.7121

Анотація

УДК 517.5

Більше про стійкість двох функціональних рівнянь

Доведено узагальнену стійкість функціональних рівнянь $\|f(x+y)\|=\|f(x)+f(y)\|$ і $\|f(x-y)\|=\|f(x)-f(y)\|$ у $p$-рівномірно опуклих просторах з $p\geq 1.$

Посилання

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