Combinatorial structure of low degree rational curves on a smooth Hermitian surface

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Authors: Norifumi Ojiro
Cited by: 0

Abstract

A smooth Hermitian surface $X$ is a projective surface isomorphic to the Fermat surface of degree $q+1$ in positive characteristic. We study incidence relations of the rational curves of degree $q+1$ contained in $X$, and show that such curves produce a family of certain strongly regular graphs and association schemes.

Fields of Study & Subjects

Algebraic Geometry and Number Theory Finite Group Theory Research Advanced Combinatorial Mathematics

Publication details

Journal / source
arXiv (Cornell University)
Publication date
11 February 2026
Language
EN
Document type
Preprint