Ethiraju Thandapani, Krishnan Thangavelu, Ekambaram Chandrasekaran
Abstract:
Oscillation criteria are established for solutions of forced and
unforced second-order neutral difference equations with positive
and negative coefficients. These results generalize some existing
results in the literature. Examples are provided to illustrate
our results.
Submitted August 7, 2009. Published November 12, 2009.
Math Subject Classifications: 39A10.
Key Words: Oscillation; neutral difference equations;
positive and negative coefficients.
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Ethiraju Thandapani Ramanujan Institute for Advanced, Study in Mathematics University of Madras, Chennai - 600005, India email: ethandapani@yahoo.co.in |
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Krishnan Thangavelu Department of Mathematics, Pachiappa's College Chennai - 600030, India email: kthangavelu_14@yahoo.com |
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Ekambaram Chandrasekaran Department of Mathematics, Presidency College Chennai - 600005, India email: e_chandrasekaran@yahoo.com |
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