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Self -adjoint matrix equations on time scales

Bobbi Buchholz, University of Nebraska - Lincoln


In this study, linear second-order delta-nabla matrix equations on time scales are shown to be formally self-adjoint equations with respect to a certain inner product and the associated self-adjoint boundary conditions. After a connection is made with symplectic dynamic systems on time scales, we introduce a generalized Wronskian and establish a Lagrange identity and Abel's formula. Two reduction-of-order theorems are given. Solutions of the second-order self-adjoint equation are then shown to be related to corresponding solutions of a first-order Riccati equation. Then a comprehensive roundabout theorem relating key equivalences is stated. Finally several oscillation theorems are proven about the self-adjoint equation. We then go on to state similar results for the nabla-delta matrix equation.^

Subject Area


Recommended Citation

Buchholz, Bobbi, "Self -adjoint matrix equations on time scales" (2007). ETD collection for University of Nebraska - Lincoln. AAI3252832.