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Asymptotic radial symmetry for solutions of Δ<i>u</i>+<i>e</i><sup><i>u</i></sup>= 0 in a punctured disc
In this paper a representation formula for solutions of the equation (*)Au + 2Ke u = 0, K a constant, in a punctured disc in terms of multi-valued meromorphic functions is found.As application it is deduced that a necessary and sufficient condition for a solution of (*), K > 0, …