Characteristic functional structure of infinitesimal symmetry mappings of classical dynamical systems. II. Mappings of first‐order differential equations

1985 ◽  
Vol 26 (12) ◽  
pp. 3100-3104 ◽  
Author(s):  
Gerald H. Katzin ◽  
Jack Levine
Keyword(s):  
Dynamical Systems ◽  
Differential Equations ◽  
Functional Structure ◽  
Characteristic Functional ◽  
First Order ◽  
Infinitesimal Symmetry ◽  
First Order Differential Equations

Asymptotics for third-order nonlinear differential equations: Non-oscillatory and oscillatory cases

2021 ◽  
pp. 1-19
Author(s):  
Calogero Vetro ◽  
Dariusz Wardowski
Keyword(s):  
Differential Equation ◽  
Differential Equations ◽  
Order Differential Equation ◽  
Nonlinear Differential Equations ◽  
Oscillatory Behavior ◽  
Third Order ◽  
First Order ◽  
Third Order Differential Equation ◽  
Comparison Technique ◽  
First Order Differential Equations

We discuss a third-order differential equation, involving a general form of nonlinearity. We obtain results describing how suitable coefficient functions determine the asymptotic and (non-)oscillatory behavior of solutions. We use comparison technique with first-order differential equations together with the Kusano–Naito’s and Philos’ approaches.

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