Electron. J. Diff. Eqns., Vol. 2009(2009), No. 25, pp. 1-13.

Higher-order linear matrix descriptor differential equations of Apostol-Kolodner type

Grigoris I. Kalogeropoulos, Athanasios D. Karageorgos, Athanasios A. Pantelous

Abstract:
In this article, we study a class of linear rectangular matrix descriptor differential equations of higher-order whose coefficients are square constant matrices. Using the Weierstrass canonical form, the analytical formulas for the solution of this general class is analytically derived, for consistent and non-consistent initial conditions.

Submitted November 4, 2008. Published February 3, 2009.
Math Subject Classifications: 34A30, 34A05, 93C05, 15A21, 15A22.
Key Words: Matrix pencil theory; Weierstrass canonical form; linear matrix regular descriptor differential equations

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Grigoris I. Kalogeropoulos
Department of Mathematics,
University of Athens, Athens, Greece
email: gkaloger@math.uoa.gr
Athanasios D. Karageorgos
Department of Mathematics,
University of Athens, Athens, Greece
email: athkar@math.uoa.gr
Athanasios A. Pantelous
School of Engineering and Mathematical Sciences, City University
Northampton Square, London, EC1V 0HB, UK
email: Athanasios.Pantelous.1@city.ac.uk

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