Tuesday, March 06, 2012

Colour symmetry. Pavements: Brasil, S. Paulo - p2 - «p2»

Small yellow circles mean rotations of order 2. Yellow lines are the border of a fundamental region.

Small yellow circles mean rotations of order 2. Yellow lines are the border of a fundamental region. (12) means that the colours white and grey are interchanged; i means the identity.

This is an example of the case stated in the third row of the table in Section 4.1 (Figure 11, «p2») in

See:
Wallpaper groups. Pavements: Brasil, S. Paulo - p2
Wallpaper groups. Pavements: p2

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