Abstract

A frieze is an array of numbers obeying the unimodular rule. Coxeter showed that a frieze with integer entries corresponds to a triangulation. Recently, Holm and Jørgenson introduced friezes of type Λp which correspond to p-angulations of a polygon. In this paper we explore the connection between these two types of friezes; in particular we show that the friezes of type Λp for p=4 and p=6 contain integral friezes within them. We also consider the relationships with Farey graphs.

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