Metasymplectic space

In mathematics, a metasymplectic space, introduced by Freudenthal (1959) and (Tits 1974), is a Tits building of type F4 (a specific generalized incidence structure). The four types of vertices are called points, lines, planes, and symplecta.

References

• Freudenthal, Hans (1959), "Beziehungen der E7 und E8 zur Oktavenebene. VIII-IX." (in German), Nederlandse Akademie van Wetenschappen. Proceedings. Series A. 62: 447–465 
• Tits, Jacques (1974), Buildings of spherical type and finite BN-pairs, Lecture Notes in Mathematics, 386, Berlin, New York: Springer-Verlag, doi:10.1007/978-3-540-38349-9