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Nicholas Long

Steven F. Austin University



Flip Commuting Maps and Strictly Order \(n\) Automorphisms



November 19, 2012
1:00 pm    AH 11
[NOTE SPECIAL ROOM]



Abstract
 

The flip map on the full 2 shift is the map that exchanges symbols. Flip commuting maps have been thought to be rare. We will discuss the set of automorphisms of the full 2-shift that commute with the flip map, including giving the first set of explicit examples and a characterization in terms of the quotient shift. We will also discuss the quotient shifts of strictly order \(n\) automorphisms on 1-sided shifts of finite type.






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