Abstract
The concept of a gated subset in a metric space is studied, and it is shown that properties of disjoint pairs of gated subsets can be used to investigate projections in Tits buildings.
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Dedicated to Professor Otto Haupt with best wishes on his 100th birthday
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Dress, A.W.M., Scharlau, R. Gated sets in metric spaces. Aeq. Math. 34, 112–120 (1987). https://doi.org/10.1007/BF01840131
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DOI: https://doi.org/10.1007/BF01840131