Mühlherr, BernhardBernhardMühlherrWeiss, Richard M.Richard M.Weiss2022-11-162022-11-162024https://jlupub.ub.uni-giessen.de/handle/jlupub/8505http://dx.doi.org/10.22029/jlupub-7893Tits polygons are generalizations of Moufang polygons in which the neighborhood of each vertex is endowed with an “opposition relation.” There is a standard construction that produces a Tits polygon from an arbitrary irreducible spherical building of rank at least 3 when paired with a suitable Tits index. In this note, we complete the proof of a characterization of the Tits quadrangles that arise in this way from the spherical building associated to an exceptional algebraic group.enNamensnennung 4.0 Internationalddc:510ddc:004