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arXiv · 2604.25227

The 3-divisibility of divisors on K3 surfaces in characteristic 3

Toshiyuki Katsura·Matthias Schütt
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Abstract

We describe the possible 3-divisible $A_2^n$ configurations of smooth rational curves on K3 surfaces in characteristic 3 and fully classify the resulting triple covers.

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Toshiyuki Katsura, Matthias Schütt. 2026-04-28. The 3-divisibility of divisors on K3 surfaces in characteristic 3. https://arxiv.org/abs/2604.25227

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