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arXiv 1502.01144math.AGmath.DS
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关于三次四重线上反射的动力学度

On the dynamical degrees of reflections on cubic fourfolds

Christian Böhning, Hans-Christian Graf von Bothmer, Pawel Sosna

摘要:

我们计算的动力学程度的某些组成的反射点光滑三次四重。我们对这些计算的兴趣源于三次四重的非理性问题。也就是说,我们希望他们将提供数字证据的潜在限制元组的动力学程度实现一般立方fourfolds可以违反的射影四空间。

英文摘要:

We compute the dynamical degrees of certain compositions of reflections in points on a smooth cubic fourfold. Our interest in these computations stems from the irrationality problem for cubic fourfolds. Namely, we hope that they will provide numerical evidence for potential restrictions on tuples of dynamical degrees realisable on general cubic fourfolds which can be violated on the projective four-space.

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