ISSN 1817-2172, рег. Эл. № ФС77-39410, ВАК

Differential Equations and Control Processes
(Differencialnie Uravnenia i Protsesy Upravlenia)

Distribution of Zeros of Solutions of First Order Neutral Differential Equations

Author(s):

M.M.A. El-Sheikh

Department of Mathematics,
Faculty of Science,
Taibah University,
Madina, Saudi Arabia.
Department of Mathematics,
Faculty of Science,
Menofia University,
Shebeen El-koom, Egypt.

msheikh_1999@yahoo.com

R. A. Sallam

Department of Mathematics,
Faculty of Science,
Menofia University,
Shebeen El-koom, Egypt.

msheikh_1999@yahoo.com

D. I. Elimy

Department of Mathematics,
Faculty of Science,
Menofia University,
Shebeen El-koom, Egypt.

msheikh_1999@yahoo.com

Abstract:

In this paper the distribution of zeros of solutions of the first order neutral differential equation is discussed. New criteria are deduced . Illustrative example is given.

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