Stability of Complex Functional Equations in 2-Banach Spaces
DOI:
https://doi.org/10.15407/mag17.03.341Ключові слова:
2-нормованi простори, 2-банаховi простори, стiйкiсть Хайерса–Улама–Рассiаса, адитивне вiдображення, квадратичне рiвнянняАнотація
У роботi ми одержуємо деякi результати для стiйкостi Хайерса–Улама наступних рiвняньq(x + iy) + q(x − iy) + q(y + ix) + q(y − ix) = 2q(x) + 2q(y)
і
q(x + iy) + q(x − iy) + q(y + ix) + q(y − ix) = 0
за у 2-банахових просторах.Mathematics Subject Classification: 39B32, 39B72, 39A45
Посилання
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