Aydin Tiryaki
Abstract:
The aim of this article is to give Sturm-Picone type theorems for
the pair of second order nonlinear elliptic differential equations
where
denotes the Euclidean length and
(the superscript T
denotes the transpose). Our results include some earlier results
and generalize to n-dimensions well-known comparison theorems
given by Sturm, Picone and Leighton ]26.37]
which play a key role in the qualitative behavior of solutions.
By using generalization of n dimensional Leigton's comparison theorem,
an oscillation result is given as an application.
Submitted July 16, 2014. Published October 14, 2014.
Math Subject Classifications: 35B05.
Key Words: Comparison theorem; Sturm-Picone theorem; half-linear equations,
variational lemma; elliptic equations; oscillation.
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Aydin Tiryaki Department of Mathematics and Computer Sciences Faculty of Arts and Sciences, Izmir University 35350 Uckuyular, Izmir, Turkey email: aydin.tiryaki@izmir.edu.tr |
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