Parcourir par sujet "iterated exponent of convergence of the sequence of distinct zeros"

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Complex oscillation of differential polynomials generated by meromorphic solutions of linear differential equations

Belaïdi, Benharrat (Publ. Inst. Math.(Beograd)(NS), 2011-09-01)

We investigate the complex oscillation of some differential poly-nomials generated by solutions of the differential equationf′′+A1(z)f′+A0(z)f=0,whereA1(z),A0(z) are meromorphic functions having the same finite iteratedp-order.
The fixed points and iterated order of some differential polynomials

Belaıdi, Benharrat (Comment. Math. Univ. Carolin, 2009)

This paper is devoted to considering the iterated order and the fixed points of some differential polynomials generated by solutions of the differential equation f''+ A1 (z) f'+ A0 (z) f= F, where A1 (z), A0 (z)(≡ 0), F ...
Oscillation and fixed points of derivatives of solutions of some linear differential equations

Belaidi, Benharrat; El Farissi, Abdallah (Matematika, 2014-12-01)

In this paper, we investigate the relationship between solutions and their derivatives of the differential equation f(k) + Af = 0 for k > 2 and meromorphic functions of infinite iterated p-order, where A is a meromorphic ...

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