Title of article
STABILITY OF THE LOBACEVSKI EQUATION
Author/Authors
KIM ، GWANG HUI - Kangnam University
Pages
8
From page
11
To page
18
Abstract
The aim of this paper is to investigate the superstability of the Lobacevski equation f(x+y/2)² =f(x)f(y), which is bounded by the unknown functions φ(x) or φ(y) . The obtained result is a generalization of P. G·avruta s result in 1994.
Keywords
Hyers , Ulam , Rassias stability , superstability , Lobacevski equation , d Alembert functional equation , sine functional equation
Journal title
Journal of Nonlinear Science and Applications
Serial Year
2011
Journal title
Journal of Nonlinear Science and Applications
Record number
2474699
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