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Peculiarities in power type comparison results for half-linear dynamic equations
- 1.0389740 - MÚ 2013 RIV US eng J - Článek v odborném periodiku
Řehák, Pavel
Peculiarities in power type comparison results for half-linear dynamic equations.
Rocky Mountain Journal of Mathematics. Roč. 42, č. 6 (2012), s. 1995-2013. ISSN 0035-7596. E-ISSN 1945-3795
Grant CEP: GA AV ČR KJB100190701
Institucionální podpora: RVO:67985840
Klíčová slova: half-linear dynamic equation * time scale * comparison theorem
Kód oboru RIV: BA - Obecná matematika
Impakt faktor: 0.389, rok: 2012
http://projecteuclid.org/euclid.rmjm/1361800616
We look for conditions guaranteeing that oscillatory properties of a half-linear dynamic equation are preserved when the power in the nonlinearities is changed. In particular, we discuss discrepancies (which indeed occur) between the results on different time scales. We provide an example showing an optimality of one of the assumptions. We also present one generalization of a standard Sturm-Picone type comparison theorem and give an important note on the smoothness condition for the coefficient in the leading term which concerns general theory of second order dynamic equations. Many of our observations are new also in the differential and difference equations cases.
Trvalý link: http://hdl.handle.net/11104/0218677
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