On Endomorphisms of Fano Manifolds of Picard Number One

On Endomorphisms of Fano Manifolds of Picard Number One
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论皮卡德一号 Fano 流形的自同态

DOI:
10.4310/pamq.2011.v7.n4.a15
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发表时间:
2011
期刊:
影响因子:
--
通讯作者:
N. Nakayama
N. Nakayama
中科院分区:
--
文献类型:
--
作者:
Jun;N. Nakayama

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设X是不同于射影空间的皮卡德1的范诺流形。我们推测满射自同态X→X一定是双射的。在这篇文章中,我们将证明这个猜想的一个较弱的版本:一个满射自同态X→X在一个完全不变因子之外是双射。作为这一结果的应用,在X的最小有理切线的变化是线性的和X是拟齐次的情况下证实了这一猜想。
Let X be a Fano manifold of Picard number one different from the projective space. It has been conjectured that a surjective endomorphism X → X must be bijective. In this article, we will prove a weaker version of the conjecture: a surjective endomorphism X → X which is étale outside a completely invariant divisor is bijective. As applications of this result, the conjecture is confirmed in the case where the variety of minimal rational tangents of X is linear and in the case where X is quasi-homogeneous.
超曲面的自同态
DOI: --
发表时间: 2015
期刊:
影响因子: --
作者:
Yong-Seon Song;Atsushi Taruya;Eric Linder;Kazuya Koyama;Cristiano G. Sabiu;Gong-Bo Zhao;Francis Bernardeau;Takahiro Nishimichi;Teppei Okumura;Ilya Karzhemanov
通讯作者: Ilya Karzhemanov