Oscillation Criteria of Solutions of Third Order Neutral Integro-Differential Equations
DOI:
https://doi.org/10.24996/ijs.2021.62.10.22Keywords:
Third Order Neutral Differential Equations, Integro-Differential Equations, Oscillation Criteria, Riemann-Stieltjes IntegralAbstract
Some necessary and sufficient conditions are obtained that guarantee the oscillation of all solutions of two types of neutral integro-differential equations of third order. The integral is used in the sense of Riemann-Stieltjes. Some examples were included to illustrate the obtained results