Browse Dissertations and Theses - Mathematics by Author "Lefton, Lew Edward"

  • Lefton, Lew Edward (1987)
    Consider the second order non-linear differential operator ${\cal L}y$ = Ly + $\eta y\sp3$, where $\eta$ = $\pm$1 and L, the linear part of ${\cal L}$, is of the form Ly = $y\sp{\prime\prime}$ + $p(x)y\sp\prime$ + q(x)y. ...

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