New Oscillation Criteria for Second-Order Delay Differential Equations with Mixed Nonlinearities.

We establish new oscillation criteria for second-order delay differential equations with mixed nonlinearities of the form Due to image rights restrictions, multiple line equation(s) cannot be graphically displayed. are continuous functions defined on [0, ∞), and p(t) > 0, p'(t) ≥ 0, and a₁ >…> α_m > α _m+1 >…> α _n > 0. No restriction is imposed on the potentials p_i(t), q_i(t), and e(t) to be nonnegative. These oscillation criteria extend and improve the results given in the recent papers. An interesting example illustrating the sharpness of our results is also provided. [ABSTRACT FROM AUTHOR]