A note on the K\"ahler and Mori cones of hyperk\"ahler manifolds

A note on the K\"ahler and Mori cones of hyperk\"ahler manifolds
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发表时间:
2013-07
期刊:
arXiv: Algebraic Geometry
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通讯作者:
Giovanni Mongardi
Giovanni Mongardi
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其他
文献类型:
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作者:
Giovanni Mongardi

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本文证明了在超Kahler流形上,Kahler锥的壁和Mori锥的极值射线由满足一定数值条件的因子决定。
In the present paper we prove that, on a hyperkahler manifold, walls of the kahler cone and extremal rays of the Mori cone are determined by all divisors satisfying certain numerical conditions.