N. Ormes

activity

20002022

most citedA Homeomorphism Invariant for Substitution Tiling Spaces

11 citations · 27 across the 7 of their papers we have counts for

collaborators

Showing 2015Show all

3 papers · 1 filter

math.DS2015

Self-Induced Systems

Fabien Durand, Nicholas Ormes, Samuel Petite

A minimal Cantor system is said to be self-induced whenever it is conjugate to one of its induced systems. Substitution subshifts and some odometers are classical examples, and we…

math.GR2015★ 2 cited

Powers and alternative laws

Nicholas Ormes, Petr Vojtěchovský

A groupoid is alternative if it satisfies the alternative laws $x (x y) = (xx) y$ and $x (y y) = (x y) y$ . These laws induce four partial maps on $N^{+} \times N^{+}$ , $(r,\,s)\m…

math.DS2015★ 10 cited

Subshifts with Slowly Growing Numbers of Follower Sets

Thomas French, Nic Ormes, Ronnie Pavlov

For any subshift, define $F_{X} (n)$ to be the collection of distinct follower sets of words of length $n$ in $X$ . Based on a similar result of the second and third authors, we conjec…