9,164 reputation
bio website math.uvic.ca/faculty/aquas
location University of Victoria
age 46
visits member for 4 years, 1 month
seen Dec 23 at 16:38
The pic is the phase portrait of a simple "piecewise isometry". Define a map by sliding the two halves of the plane: the top half to the right; the lower half to the left and then rotate. Around each periodic point of the map there's a "periodic island". These are what are in the image...

MathOverflow 9,164 rep 11951
Mathematics 333 rep 17
French Language 108 rep 4
Stack Overflow 101 rep 2
TeX - LaTeX 101 rep 2

407 Votes Cast

all time   by type   month  
233 up 276 question 13
174 down 131 answer