A Formalization of the Concept of a Numeral System

Boris Averbukh

doi:10.20944/preprints202110.0389.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 25 October 2021 / Approved: 26 October 2021 / Online: 26 October 2021 (14:15:22 CEST)

We consider finite and unconditionally convergent infinite expansions of elements of a given topological monoid G in some base B c G as words of the alphabet B, identify insignificantly different words and define a multiplication and a topology on the set of classes of these words. Classical numeral systems are particular cases of this construction. Then we study algebraic and topological properties of the obtained monoid and, for some cases, find conditions under which it is canonically topologically isomorphic to the initial one.

topological monoid; numeral system

Computer Science and Mathematics, Geometry and Topology

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A Formalization of the Concept of a Numeral System

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