Combinatorical and Algebraic Structures Seminar

Session details

Date: 21.2.2012
Speaker: Petr Ambrož, FJFI, České vysoké učení technické v Praze
Title: Complex Pisot Numeration Systems
Abstract: We will introduce results by Hama, Furukado and Ito on a generalization of classical $\beta$-numeration to complex bases. That is, on the $\lambda$-expansion of a complex number $z$ in the form $z=\sum_{n=k}^{\infty}a_n\lambda^{-n}$, $a_n\in\Gamma$, where $\Gamma$ is a finite set in $\mathbb{Z}[\lambda]$ and $\lambda$ is a complex Pisot number.

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