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Kone Siaka - Mixed order systems of ordinary linear differential equations



KONE SIAKA, Department of Mathematics, University of the Witwatersrand, Wits  2050, Johannesburg, South Africa
Mixed order systems of ordinary linear differential equations


We have characterized a sufficiently large classes of mixed order systems of differential equations which are equivalent to first order systems. This has been shown through the reduction of mixed order systems to first order systems. Writing mixed order systems in operator form, we have shown that this operator is equivalent to an operator for associated first order systems.