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Publication details
Comparison theorems and strong oscillation in the half-linear discrete oscillation theory
Authors | |
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Year of publication | 2003 |
Type | Article in Periodical |
Magazine / Source | Rocky Mountain Journal of Mathematics |
MU Faculty or unit | |
Citation | |
Doi | http://dx.doi.org/10.1216/rmjm/1181069996 |
Field | General mathematics |
Keywords | Half-linear difference equation; generalized discrete Riccati and Euler equation; comparison theorems |
Description | Consider the second order half--linear difference equation $$ \Delta(r_k|\Delta y_k|^{\alpha-1}\sgn\Delta y_k)+p_k|y_{k+1}|^{\alpha-1}\sgn y_{k+1}=0, \quad \alpha>1. $$ We give several various types of comparison theorems for this equation (included the so--called telescoping principle) and also for an associated generalized Riccati difference equation. In the second part we present strongly (non)oscillation criteria and related results. The paper is finished by an example, where oscillatory properties of a generalized discrete Euler equation are investigated. |
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