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Singularities of a threefold having an effective ample divisor which is a smooth surface of Kodaira dimension zero E. Gorinov Lomonosov Moscow State University, Faculty of Mechanics and Mathematics |
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Abstract: Our talk is based on a paper of Ivan Cheltsov (http://www.mathnet.ru/php/archive.phtml?wshow=paper&jrnid=mzm&paperid=1755&option_lang=eng). We prove that a threefold |