Generalized zeros of symplectic difference system and of its reciprocal system.
Došlý, Ondřej, Pechancová, Šárka (2011)
Advances in Difference Equations [electronic only]
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Došlý, Ondřej, Pechancová, Šárka (2011)
Advances in Difference Equations [electronic only]
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Došlý, Ondřej (2004)
Abstract and Applied Analysis
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Zuzana Došlá, Denisa Škrabáková (2003)
Mathematica Bohemica
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The second order linear difference equation where and , is considered as a special type of symplectic systems. The concept of the phase for symplectic systems is introduced as the discrete analogy of the Borůvka concept of the phase for second order linear differential equations. Oscillation and nonoscillation of (1) and of symplectic systems are investigated in connection with phases and trigonometric systems. Some applications to summation of number series are given, too. ...
Dragan Stankov (2008)
Publications de l'Institut Mathématique
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Došlý, Ondřej (2000)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Çakan, Celal, Çoşkun, Hüsamettin (2005)
International Journal of Mathematics and Mathematical Sciences
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Hüsamettin Çoşkun, Celal Çakan (2005)
Czechoslovak Mathematical Journal
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In [5] and [10], statistical-conservative and -conservative matrices were characterized. In this note we have determined a class of statistical and -conservative matrices studying some inequalities which are analogous to Knopp’s Core Theorem.