Intersections of smooth polar unitals with secants are homeomorphic to spheres

DOI10.1007/S00013-008-2926-ZzbMath1163.51003OpenAlexW2068434285MaRDI QIDQ1018040

Stefan Immervoll

Publication date: 13 May 2009

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00013-008-2926-z

zbMATH Keywords

absolute pointpolaritysmooth projective planeunital

Mathematics Subject Classification ID

Finite affine and projective planes (geometric aspects) (51E15) Geometries with differentiable structure (51H25) Homomorphism, automorphism and dualities in linear incidence geometry (51A10)

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