TY - JOUR ID - Naito2021 LB - Naito2021 AU - Naito, Manabu TI - Remarks on the existence of nonoscillatory solutions of half-linear ordinary differential equations, I ST - Remarks on the existence of nonoscillatory solutions of half-linear ordinary differential equations, I JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2021 VL - 41 IS - 1 SP - 71 EP - 94 DO - https://doi.org/10.7494/OpMath.2021.41.1.71 UR - https://doi.org/10.7494/OpMath.2021.41.1.71 AB - We consider the half-linear differential equation of the form \[(p(t)|x'|^{\alpha}\mathrm{sgn} x')' + q(t)|x|^{\alpha}\mathrm{sgn} x = 0, \quad t\geq t_{0},\] under the assumption \(\int_{t_{0}}^{\infty}p(s)^{-1/\alpha}ds =\infty\). It is shown that if a certain condition is 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 KW - Hardy-type inequality SN - 1232-9274 ER -