## Characterization in terms of points and lines of grassmannians of buildings and of diagram geometries

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Units : Discrete Mathematics | ULB171

Any Coxeter diagram (resp. any diagram) and one of its nodes define a class of point-line spaces derived from the corresponding buildings (resp. geometries). The purpose is to study those point-line spaces at different levels of generality and to reconstruct the underlying buildings (resp. geometries).

• F.R.S.-FNRS et Fonds associés (hors FRIA)