A Lyapunov inequality for a second order nonlinear differential equation

作者：Almenar P; Jodar L^*

来源：Applied Mathematics Letters, 2011, 24(4): 524-527.

DOI：10.1016/j.aml.2010.11.006

• Lyapunov inequality
• Distance between zeroes
• Second order nonlinear differential equation
• Second order functional differential equation

This paper presents a Lyapunov-type inequality for the second order nonlinear equation (r(x)y')' + p(x)f(y(x)) = 0, with r(x), p(x) > 0 and f(y) odd and positive for y > O. It also compares it with similar results.

• 出版日期2011-4