Abstract

Davis and Knuth in 1970 introduced the notion of revolving sequences, as representations of a Gaussian integer. Later, Mizutani and Ito pointed out a close relationship between a set of points determined by all revolving sequences and a self-similar set, which is called the Dragon. We will show how their result can be generalized, giving a new parametrized expression for certain self-similar sets.

Highlights

  • ∗Address: Department of Mathematics, University of North Texas, 1155 Union Circle #311430, Denton, TX 76203-5017, USA; E-mail: kiko.kawamura@unt.edu, andrew.allen@unt.edu. They showed that each Gaussian integer has exactly four representations of this type: one each in which the right-most non-zero value takes on the values 1, −1, i, −i

  • Is there a generalized relationship between sets of revolving sequences and self-similar sets? In particular, we are interested in describing selfsimilar sets which arise from more general revolving sequences, where the 90 degree angle of rotation is replaced with a more general angle

  • Theorem 1.2 shows a direct relationship between generalized revolving sequences and self-similar sets generated by the iterated function system (IFS) from (1.1): ψ1(z) = αz, ψ2(z) =z + α

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Summary

Introduction

Δn) such that n z = δn−k(1 + i)k, k=0 where δk ∈ {0, 1, −1, i, −i} with the restriction that the non-zero values must follow the cyclic pattern from left to right:. Levy’s curve and Dragon are very different: one is a continuous curve while the other is a tiling fractal; both are self-similar sets. We are interested in describing selfsimilar sets which arise from more general revolving sequences, where the 90 degree angle of rotation is replaced with a more general angle Is there a generalized relationship between sets of revolving sequences and self-similar sets? In particular, we are interested in describing selfsimilar sets which arise from more general revolving sequences, where the 90 degree angle of rotation is replaced with a more general angle

Generalized Revolving Sequences
Signed Revolving Sequences
Alternating Sequences
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