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2011-11-08 Nonlinear Seminar

Marcin Borkowski, Piotr Maćkowiak (Poznań Universoty of Economics)
On superposition of formal power series

We will present a new proof of a criterion for existence of superposition of formal power series given by Gan and Knox. We will also give some properties concerning the behavior of such series on the boundary of their convergence circle.

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