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On a bi-quadratic functional equation and its stability

✍ Scribed by Won-Gil Park; Jae-Hyeong Bae

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
175 KB
Volume
62
Category
Article
ISSN
0362-546X

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✍ Soon-Mo Jung 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 104 KB

In this paper, we will introduce a new multiplicative functional Eq. 1 and prove Ž . that the given equation is equivalent to the well known ''original'' one, f xy s Ž . Ž . Ž . f x f y . Moreover, we will investigate the stability problem of Eq. 1 in the sense of R. Ger.