作者: Miroslav Bartusek

The limit-point/limit-circle problem had its beginnings more than 100 years ago with the publication of Hermann Weyl’s classic paper in Mathematische Annalen in 1910 on linear differential equations. …

First posed by Hermann Weyl in 1910, the limit-point/limit-circle problem has inspired, over the last century, several new developments in the asymptotic analysis of nonlinear differential equations. …