Introduction to differential equations. Topics include methods of solutions for linear and non-linear first order differential equations, linear second order differential equations, higher order ...

We show that if a system of differential equations has a generic solution that satisfies a liouvillian relation, that is, there is a liouvillian function of several variables vanishing on the curve ...

KAIZHONG GUAN, JIANHUA SHEN, NECESSARY AND SUFFICIENT CONDITIONS FOR THE OSCILLATION OF A FIRST-ORDER NEUTRAL DIFFERENTIAL EQUATION OF EULER FORM, The Rocky Mountain Journal of Mathematics, Vol. 41, ...