The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106601 Rauzy-like 3-symbol substitution that gives a tile: Characteristic polynomial: x^3-3*x^2-x-1. 0

%I #4 Mar 30 2012 17:34:15

%S 3,1,2,3,3,2,3,3,1,2,3,3,3,1,2,3,3,3,3,1,2,3,3,3,1,2,3,3,2,3,3,1,2,3,

%T 3,3,1,2,3,3,3,1,2,3,3,2,3,3,1,2,3,3,3,1,2,3,3,3,1,2,3,3,3,1,2,3,3,2,

%U 3,3,1,2,3,3,3,1,2,3,3,3,1,2,3,3,2,3,3,1,2,3,3,3,1,2,3,3,3,3,1,2,3,3,3,1,2

%N Rauzy-like 3-symbol substitution that gives a tile: Characteristic polynomial: x^3-3*x^2-x-1.

%C To get tile: ( tile has edges like the (2,3) Akiyama curly tile) aa=p[12] rule = NSolve[Det[M - x*IdentityMatrix[n0]] == 0, x][[1]] * graphing subroutine*) bb = aa /. 1 -> {Re[x], Im[x]} /. 2 -> {Re[x^2], Im[x^2]} /. 3 -> {Re[x^3], Im[x^3]} /. rule; ListPlot[FoldList[Plus, {0, 0}, bb], PlotJoined -> False, PlotRange -> All, Axes -> False];

%D Curtis McMullen, Prym varieties and Teichmuller curves.

%F 1->{2}, 2->{3}, 3->{3, 1, 2, 3, 3}

%t s[1] = {2}; s[2] = {3}; s[3] = {3, 1, 2, 3, 3}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[7]

%K nonn,uned

%O 0,1

%A _Roger L. Bagula_, May 10 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 13 07:22 EDT 2024. Contains 372498 sequences. (Running on oeis4.)