Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 50174

This tag is used if a reference is needed in a paper or textbook on a specific result.

3 votes

Mixing coded systems and period of their graph presentations

In general no! Let $X=\{0,\,1\}^{\mathbb{Z}}$ be the full shift generated by $\{00,\,10,\,01,\,11\}$ and set $w=12$ and let $\sigma_{X'}$ be the shift map on $X'$. Then $N(w,\,w)=\{n: {\sigma}_{X'}^nw …
M. Dabbaghian's user avatar