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arXiv math/0605278math.AG
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CM稳定性与广义Futaki不变量I

CM Stability and the Generalized Futaki Invariant I

Sean T. Paul, Gang Tian

摘要:

基于Cayley,Grothendieck,Knudsen Mumford的行列式理论,我们将CM极化推广到Hilbert格式。我们确定了这个细化线丛与广义Futaki不变量的唐纳森的重量。我们可以得出结论,CM稳定性意味着K-稳定性。Grothendieck Riemann Roch定理的应用表明,这个精化层同构于田在1994年介绍的CM极化在任何封闭的,单连通的基础。

英文摘要:

Based on the Cayley, Grothendieck, Knudsen Mumford theory of determinants we extend the CM polarization to the Hilbert scheme. We identify the weight of this refined line bundle with the generalized Futaki invariant of Donaldson. We are able to conclude that CM stability implies K-Stability. An application of the Grothendieck Riemann Roch Theorem shows that this refined sheaf is isomorphic to the CM polarization introduced by Tian in 1994 on any closed, simply connected base .

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