Electron. J. Diff. Equ.,
Vol. 2011 (2011), No. 151, pp. 111.
Oscillation criteria for damped quasilinear secondorder
elliptic equations
Tadie
Abstract:
In 2010, Yoshida [13] stated that oscillation
criteria for the superlinearsublinear elliptic equation
equation
were not known.
In this article, we provide some answers to this question
using boundedness conditions on the coefficients of halflinear
quasilinear elliptic equations. This is obtained by using some
comparison methods and Piconetype formulas.
Submitted July 21, 2011. Published November 8, 2011.
Math Subject Classifications: 34C10, 34K15, 35J70.
Key Words: Picone; oscillation criteria for halflinear elliptic equations.
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Tadie
Mathematics Institut
Universitetsparken 5
2100 Copenhagen, Denmark
email: tadietadie@yahoo.com, tad@math.ku.dk

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