|location||University of Victoria|
|visits||member for||4 years, 3 months|
|seen||54 mins ago|
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...
|bio||website||math.uvic.ca/faculty/aquas||visits||member for||4 years, 3 months|
|location||University of Victoria||seen||54 mins ago|