Submitted:
12 March 2021
Posted:
16 March 2021
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Abstract
In this work the existence and nonexistence of stationary radial solutions to the elliptic partial differential equation arising in the molecular beam epitaxy are studied. Since we are interested in radial solutions we arrive at the following fourth-order differential equation
Keywords:
Radial solutions
; singular boundary value problems
; non-self-adjoint operator
; Green’s function
; lower solution
; upper solution
; iterative numerical approximations.
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