Igor Dolgachev ; Shigeyuki Kondō - Bitangent surfaces and involutions of quartic surfaces

epiga:13907 - Épijournal de Géométrie Algébrique, November 24, 2025, Volume 9 - https://doi.org/10.46298/epiga.2025.13907
Bitangent surfaces and involutions of quartic surfacesArticle

Authors: Igor Dolgachev ; Shigeyuki Kondō

    We study the congruence of bitangent lines of an irreducible surface in the 3-dimensional projective space in arbitrary characteristic, with special attention to quartic surfaces with rational double points and, in particular, Kummer quartic surfaces.

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    https://doi.org/10.46298/epiga.2025.13907
    Source: arXiv.org:2406.16246
    Volume: Volume 9
    Published on: November 24, 2025
    Accepted on: May 17, 2025
    Submitted on: July 9, 2024
    Keywords: Algebraic Geometry
    Licence: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)

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