ON THE STABILITY OF THE QUADRATIC-ADDITIVE FUNCTIONAL EQUATION IN RANDOM NORMED SPACES VIA FIXED POINT METHOD

• 발행기관: 충청수학회
• 저자명: Sun Sook Jin Yang-Hi Lee
• 간행물 정보: 『Journal of the Chungcheong Mathematical Society』Volume 25, No. 2, 201~215쪽, 전체 15쪽
• 주제분류: 자연과학 > 자연과학일반
• 파일형태: PDF
• 발행일자: 2012.05.30

영문 초록

In this paper, we prove the stability in random normedspaces via ¯xed point method 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 + w) = 0:

목차

1. Introduction

2. Preliminaries

3. On the stability of the quadratic-additive functional equa-tion in RN-spaces