COMPLEX DIFFERENTIAL EQUATIONS WITH ENTIRE COEFFICIENTS OF FINITE (α,β)- ORDER
BENHARRAT BELAÏDI(1), TANMAY BISWAS(2)
1. Department of Mathematics, Laboratory of Pure and Applied Mathematics, University of Mostaganem (UMAB), B. P. 227, Mostaganem-ALGERIA. e-mail: benharrat.belaidi@univ-mosta.dz 2. Rajbari, Rabindrapally, R. N. Tagore Road, P.O.- Krishnagar, P.S. Kotwali, Dist-Nadia, PIN-741101, West Bengal, INDIA. e-mail: tanmaybiswas_math@rediffmail.com
Abstract
In this paper, we wish to investigate the complex higher order linear differential equations in which the coefficients are entire functions of (α,β)- order and obtain some results which improve and generalize some previous results of Tu et al. [33] as well as Belaïdi [2, 3, 4].