Bitangent surfaces and involutions of quartic surfaces

2024/06/24 by Igor Dolgachev, Shigeyuki Kondō
Mathematics · #math.AG

paper · pdf · doi:10.46298/epiga.2025.13907

Abstract

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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