On second order sublinear oscillation |
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Authors: | Ch. G. Philos |
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Affiliation: | (1) Department of Mathematics, University of Ioannina, Ioannina, Greece |
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Abstract: | The basic purpose of this paper is to present a new oscillation criterion for second order sublinear ordinary differential equations of the formx(t) +a(t)f[x(t)] = 0,t t0>0, wherea is a continuous function on [t0, ) without any restriction on its sign andf is a continuous function on the real line, which is continuously differentiable, except possibly at 0, and satisfiesyf(y)>0 andf(y)>0 fory 0, and. The results obtained include the average behavior of the integral of the coefficienta. |
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Keywords: | Primary 34C15 |
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