On the multicanonical systems of quasi-elliptic surfaces
2021 年 73 巻 4 号 p. 1253-1261
詳細
2021 年 73 巻 4 号 p. 1253-1261
We consider the multicanonical systems |𝑚𝐾𝑆| of quasi-elliptic surfaces with Kodaira dimension 1 in characteristic 2. We show that for any 𝑚 ≥ 6 |𝑚𝐾𝑆| gives the structure of quasi-elliptic fiber space, and 6 is the best possible number to give the structure for any such surfaces.
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Nippon Sugaku-Buturigakkwai Kizi Dai 3 Ki
Tokyo Sugaku-Buturigakkwai Kizi Dai 2 Ki
Tokyo Sugaku-Butsurigakukwai Kiji-Gaiyo
Tokyo Sugaku-Butsurigakkwai Hokoku
