The brim is decorated around the outside with two bands of denticulation on the top and bottom (now best seen in x-radiograph). The inside edge of the ring under the brim is turned up and perforated ...
Jun 4, 2024 Two ways to get SO(3) to act irreducibly on the imaginary octonions while preserving their cross product. Lanthanides and the Exceptional Lie Group G 2 May 27, 2024 What the connection ...