Projective lines as groupoids with projection structure

zbMath1308.18002arXiv1310.5357MaRDI QIDQ2877680

Anders Kock

Publication date: 25 August 2014

Full work available at URL: https://arxiv.org/abs/1310.5357

zbMATH Keywords

groupoidprojective geometrycross-ratioprojection structurebi-rapporttri-rapport

Mathematics Subject Classification ID

Categorical structures (18D99) Algebraization in linear incidence geometry (51A25) Groupoids, semigroupoids, semigroups, groups (viewed as categories) (18B40)

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