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Conic bundles that are not birational to...
Kollár, János...
Conic bundles that are not birational to numerical Calabi--Yau pairs by Kollár, János ( Author )
N.A
16-05-2016
Let X be a general conic bundle over the projective plane with branch curve of degree at least 19. We prove that there is no normal projective variety Y that is birational to X and such that some multiple of its anticanonical divisor is effective. We also give such examples for 2-dimensional conic bundles defined over a number field.
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Article
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36.88 KB
English
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MYR 0.01
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https://arxiv.org/abs/1605.04763
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