In 2010, Yoshida  stated that oscillation criteria for the superlinear-sublinear elliptic equation equation
were not known. In this article, we provide some answers to this question using boundedness conditions on the coefficients of half-linear quasilinear elliptic equations. This is obtained by using some comparison methods and Picone-type formulas.
Submitted July 21, 2011. Published November 8, 2011.
Math Subject Classifications: 34C10, 34K15, 35J70.
Key Words: Picone; oscillation criteria for half-linear elliptic equations.
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