Sowdaiyan Murugadass, Ethiraju Thandapani, Sandra Pinelas
Abstract:
This article presents new oscillation criteria
for the second-order delay differential equation
where
,
,
,
,
,
and
are ratio of odd positive integers. Without assuming that
and
are nonnegative, the results in [6,8]
have been extended and a mistake in the proof of the
results in [3] is corrected.
Submitted January 10, 2010. Published May 19, 2010.
Math Subject Classifications: 34K11, 34C55.
Key Words: Interval oscillation; quasilinear delay differential equation;
second order.
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Sowdaiyan Murugadass Ramanujan Institute for Advanced Study in Mathematics University of Madras, Chennai - 600005, India email: murugadasssm@gmail.com | |
Ethiraju Thandapani Ramanujan Institute for Advanced Study in Mathematics University of Madras, Chennai - 600005, India email: ethandapani@yahoo.co.in | |
Sandra Pinelas Departamento de Matemática Universidade dos Açores, Portugal email: sandra.pinelas@clix.pt |
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