TY - JOUR ID - Naito2023 LB - Naito2023 AU - Naito, Manabu TI - Existence and asymptotic behavior of nonoscillatory solutions of half-linear ordinary differential equations ST - Existence and asymptotic behavior of nonoscillatory solutions of half-linear ordinary differential equations JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2023 VL - 43 IS - 2 SP - 221 EP - 246 DO - https://doi.org/10.7494/OpMath.2023.43.2.221 UR - https://doi.org/10.7494/OpMath.2023.43.2.221 AB - We consider the half-linear differential equation \[(|x'|^{\alpha}\mathrm{sgn}\,x')' + q(t)|x|^{\alpha}\mathrm{sgn}\,x = 0, \quad t \geq t_{0},\] under the condition \[\lim_{t\to\infty}t^{\alpha}\int_{t}^{\infty}q(s)ds = \frac{\alpha^{\alpha}}{(\alpha+1)^{\alpha+1}}.\] It is shown that if certain additional conditions are satisfied, then the above equation has a pair of nonoscillatory solutions with specific asymptotic behavior as \(t\to\infty\). KW - asymptotic behavior KW - nonoscillatory solution KW - half-linear differential equation SN - 1232-9274 ER -