Abstract:Dedicated to Claus M. Ringel on the occasion of his 60th birthday.Abstract. If a convex body C has modular and irreducible face lattice (and is not strictly convex), there is a face-preserving homeomorphism from C to a section of a cone of hermitian matrices over R, C, or H, or C has dimension 8, 14 or 26.1991 Mathematics Subject Classification. 52A20, 06C05, 51A05, 15A48.Recall that a projective space consists of a set P (the points) and a set L (the lines) so that (a) Each pair of points is contained in a un… Show more
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