Novel Oscillation Theorems and Symmetric Properties of Nonlinear Delay Differential Equations of Fourth-Order with a Middle Term
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DOI: 10.3390/sym14030585
Abstract: The goal of this paper was to study the oscillations of a class of fourth-order nonlinear delay differential equations with a middle term. Novel oscillation theorems built on a proper Riccati-type transformation, the comparison approach,… read more here.
Keywords: novel oscillation; nonlinear delay; fourth order; middle term ... See more keywords