Calabi–Yau threefolds arising from fiber products of rational quasi-elliptic surfaces,I |
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| Authors: | Masayuki Hirokado Hiroyuki Ito Natsuo Saito |
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| Affiliation: | (1) Department of Information Sciences, Hiroshima City University, Ozuka-higashi, Asaminami-ku, Hiroshima 731-3194, Japan;(2) Department of Applied Mathematics, Graduate School of Engineering, Hiroshima University, Kagamiyama, Higashi-Hiroshima 739-8527, Japan |
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| Abstract: | ![]()
In this paper, we construct some unirational Calabi–Yau threefolds in characteristic 3. We adopt the method by Schoen, but we use quasi-elliptic surfaces instead of elliptic surfaces. We find new examples which do not admit a lifting to characteristic zero. |
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