Jun 5, 2013
This is PG(2,3), the projective plane over the field 𝔽₃. Every point is on four lines, every line contains four points.
EDIT: I knew it – I forgot a line. puzzle: figure out which one it is before I get around to correcting it.
seen from Panama
seen from China
seen from United States
seen from Philippines
seen from United States
seen from Malaysia
seen from United States
seen from Netherlands
seen from Bangladesh
seen from Bangladesh
seen from United States
seen from United States
seen from India
seen from Bangladesh
seen from Syria
seen from Brunei
seen from United States
seen from Malaysia
seen from United States
seen from United States
This is PG(2,3), the projective plane over the field 𝔽₃. Every point is on four lines, every line contains four points.
EDIT: I knew it – I forgot a line. puzzle: figure out which one it is before I get around to correcting it.