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Abstract and Applied Analysis
Volume 2012 (2012), Article ID 979138, 19 pages
doi:10.1155/2012/979138
Research Article
Limit-Point/Limit-Circle Results for Equations with Damping
1Faculty of Science, Masaryk University Brno, Kotlářská 2, 611 37 Brno, Czech Republic
2Department of Mathematics, University of Tennessee at Chattanooga, Chattanooga, TN 37403, USA
Received 27 September 2012; Accepted 12 December 2012
Academic Editor: Elena Braverman
Copyright © 2012 M. Bartušek and John R. Graef. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The authors study the nonlinear limit-point and limit-circle properties for the second order nonlinear damped differential equation , where , , and . Some examples are given to illustrate the main results.