STABILITY OF THE LOBACEVSKI EQUATION


Authors

GWANG HUI KIM - Department of Mathematics, Kangnam University, Yongin, Gyeonggi 446-702, Republic of Korea.


Abstract

The aim of this paper is to investigate the superstability of the Lobacevski equation \[f (\frac{x + y}{ 2})^2 = f(x)f(y),\] which is bounded by the unknown functions \(\varphi(x)\) or \(\varphi(y)\). The obtained result is a generalization of P. G·avruta's result in 1994.


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ISRP Style

GWANG HUI KIM, STABILITY OF THE LOBACEVSKI EQUATION, Journal of Nonlinear Sciences and Applications, 4 (2011), no. 1, 11-18

AMA Style

KIM GWANG HUI, STABILITY OF THE LOBACEVSKI EQUATION. J. Nonlinear Sci. Appl. (2011); 4(1):11-18

Chicago/Turabian Style

KIM, GWANG HUI. "STABILITY OF THE LOBACEVSKI EQUATION." Journal of Nonlinear Sciences and Applications, 4, no. 1 (2011): 11-18


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