KRATZ, Werner, Roman ŠIMON HILSCHER a Vera Michel ZEIDAN. Eigenvalue and oscillation theorems for time scale symplectic systems. International Journal of Dynamical Systems and Differential Equations. Ženeva: Indersci. Enterp. Ltd., 2011, roč. 3, 1-2, s. 84-131. ISSN 1752-3583. |
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@article{911548, author = {Kratz, Werner and Šimon Hilscher, Roman and Zeidan, Vera Michel}, article_location = {Ženeva}, article_number = {1-2}, keywords = {Time scale; Time scale symplectic system; Linear Hamiltonian system; Discrete symplectic system; Finite eigenvalue; Proper focal point; Generalized focal point; Oscillation theorem; Conjoined basis; Controllability; Normality; Quadratic functional}, language = {eng}, issn = {1752-3583}, journal = {International Journal of Dynamical Systems and Differential Equations}, title = {Eigenvalue and oscillation theorems for time scale symplectic systems}, volume = {3}, year = {2011} }
TY - JOUR ID - 911548 AU - Kratz, Werner - Šimon Hilscher, Roman - Zeidan, Vera Michel PY - 2011 TI - Eigenvalue and oscillation theorems for time scale symplectic systems JF - International Journal of Dynamical Systems and Differential Equations VL - 3 IS - 1-2 SP - 84-131 EP - 84-131 PB - Indersci. Enterp. Ltd. SN - 17523583 KW - Time scale KW - Time scale symplectic system KW - Linear Hamiltonian system KW - Discrete symplectic system KW - Finite eigenvalue KW - Proper focal point KW - Generalized focal point KW - Oscillation theorem KW - Conjoined basis KW - Controllability KW - Normality KW - Quadratic functional N2 - In this paper we study eigenvalue and oscillation properties of time scale symplectic systems with Dirichlet boundary conditions. The focus is on deriving the so-called oscillation theorems for these systems, which relate the number of finite eigenvalues of the system with the number of proper (or generalized) focal points of the principal solution of the system. This amounts to defining and developing the central notions of finite eigenvalues and proper focal points for the time scale environment. We establish the traditional geometric properties of finite eigenvalues and eigenfunctions enjoyed by self-adjoint linear systems. We assume no controllability or normality of the system. ER -
KRATZ, Werner, Roman ŠIMON HILSCHER a Vera Michel ZEIDAN. Eigenvalue and oscillation theorems for time scale symplectic systems. \textit{International Journal of Dynamical Systems and Differential Equations}. Ženeva: Indersci. Enterp. Ltd., 2011, roč.~3, 1-2, s.~84-131. ISSN~1752-3583.
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