THE STABILITY OF A COSINE-SINE FUNCTIONAL EQUATION ON ABELIAN GROUPS

Ajebbar Omar, Elqorachi Elhoucien, Themistocles M. Rassias

Abstract


In this paper we establish the stability of the functional equation

f(x − y) = f(x)g(y) + g(x)f(y) + h(x)h(y),  x, y ∈ G,

where G is an abelian group.


Full Text: PDF

Refbacks

  • There are currently no refbacks.


ISSN: 1229-1595 (Print), 2466-0973 (Online)

(51767) 7 Kyungnamdaehak-ro, Masanhappo-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea