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of 665
pro vyhledávání: '"Yang HI"'
Autor:
Yang Hi Lee, Soon-Mo Jung
Publikováno v:
Advances in Fuzzy Systems, Vol 2012 (2012)
We will investigate a fuzzy version of stability for the functional equation 2f(∑i=1nxi)+∑1≤i,j≤n,i≠jf(xi-xj)=(n+1)∑i=1nf(xi)+(n-1)∑i=1nf(-xi) in the sense of Mirmostafaee and Moslehian.
Externí odkaz:
https://doaj.org/article/6c1f5bddfc2843e0bac52fabdaf9b1b4
Autor:
Sun Sook Jin, Yang Hi Lee
Publikováno v:
International Journal of Mathematics and Mathematical Sciences, Vol 2011 (2011)
We investigate a fuzzy version of stability for the functional equation 𝑓(𝑥+𝑦+𝑧+𝑤)+2𝑓(𝑥)+2𝑓(𝑦)+2𝑓(𝑧)+2𝑓(𝑤)−𝑓(𝑥+𝑦)−𝑓(𝑥+𝑧)−𝑓(𝑥+𝑤)−𝑓(𝑦+𝑧)−𝑓(𝑦+𝑤)−𝑓(𝑧+
Externí odkaz:
https://doaj.org/article/029ffccc3376497fb7369bc19922ff5d
Autor:
Yang-Hi Lee, Jaiok Roh
Publikováno v:
Journal of Mathematics, Vol 2023 (2023)
In this article, we study the stability of various forms for the general octic functional equation ∑i=099Ci−19−ifx+iy=0. We first find a special way of representing a given mapping as the sum of eight mappings. And by using the above representa
Externí odkaz:
https://doaj.org/article/ef47075a30cc4b58b9d3aa8c16d13a4c
Autor:
Chang, Ick-Soon1 (AUTHOR) ischang@cnu.ac.kr, Lee, Yang-Hi2 (AUTHOR) yanghi22@naver.com, Roh, Jaiok3 (AUTHOR) joroh@hallym.ac.kr
Publikováno v:
Mathematics (2227-7390). Jul2023, Vol. 11 Issue 14, p3173. 19p.
Publikováno v:
Mathematics, Vol 11, Iss 14, p 3173 (2023)
In this paper, we introduce a way of representing a given mapping as the sum of odd and even mappings. Then, using this representation, we investigate the stability of various forms of the following general nonic functional equation: ∑i=01010Ci(−
Externí odkaz:
https://doaj.org/article/73d20ade4c9449e782f556bbaed4d5eb
Autor:
Yang Hi Choe-Wall
This is the first translation into English of the eighteenth-century Korean masterpiece entitled Yŏrha ilgi ('The Jehol Diary') by Pak Chiwŏn (1737-1805). The original text was written in classical Chinese and is a notoriously difficult work to tra
Autor:
Yang-Hi Lee, Sun-Sook Jin
Publikováno v:
Journal of Advances in Mathematics and Computer Science. :12-28
In this paper, we investigate the stability of the following general septic functional equation: \(\sum_{i=0}^8{ }_8 C_i(-1)^{8-i} f(x+(i-4) y)=0\)which is a generalization of many functional equations such as the additive functional equation, the qu
Publikováno v:
Journal of Function Spaces, Vol 2020 (2020)
In this paper, we will consider the generalized sextic functional equation ∑i=07 7Ci−17−ifx+iy=0. And by applying the fixed point theorem in the sense of Ca˘dariu and Radu, we will discuss the stability of the solutions for this functional equ
Externí odkaz:
https://doaj.org/article/e90515079b934d9d8c498afd1fed710d
Akademický článek
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Publikováno v:
Journal of Function Spaces. 12/13/2021, p1-7. 7p.