A general solution of a matrix functional equation involving circulant matrices of the additive function is determined, and its stability is established.
Circulant, additive function, stability
LAOHAKOSOL, VICHIAN; PIMSERT, WATCHARAPON; and PONPETCH, KANET
"A circulant functional equation for the additive function and its stability,"
Turkish Journal of Mathematics: Vol. 43:
6, Article 14.
Available at: https://journals.tubitak.gov.tr/math/vol43/iss6/14