Abstract
Let $\bar{Y}$ be a normal surface that is the canonical $\mu_{2}$- or $\alpha_{2}$-covering of a classical or supersingular Enriques surface in characteristic 2. We determine all possible configurations of singularities on $\bar{Y}$, and for each configuration we describe which type of Enriques surfaces (classical or supersingular) appear as quotients of $\bar{Y}$.
Funding Statement
This work was supported by JSPS KAKENHI Grant Number 16K17560 and 20K14296.
Citation
Yuya MATSUMOTO. "Canonical coverings of Enriques surfaces in characteristic 2." J. Math. Soc. Japan 74 (3) 849 - 872, July, 2022. https://doi.org/10.2969/jmsj/86318631
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