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Renormalized characteristic forms of the Cheng–Yau metric and global CR invariants
Advances in Mathematics ( IF 1.5 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.aim.2020.107468
Taiji Marugame

For each invariant polynomial $\Phi$, we construct a global CR invariant via the renormalized characteristic form of the Cheng--Yau metric on a strictly pseudoconvex domain. When the degree of $\Phi$ is 0, the invariant agrees with the total $Q'$-curvature. When the degree is equal to the CR dimension, we construct a primed pseudo-hermitian invariant $\mathcal{I}'_\Phi$ which integrates to the corresponding CR invariant. These are generalizations of the $\mathcal{I}'$-curvature on CR five-manifolds, introduced by Case--Gover.

中文翻译:

Cheng-Yau 度量和全局 CR 不变量的重整化特征形式

对于每个不变多项式 $\Phi$,我们通过严格伪凸域上的 Cheng-Yau 度量的重归一化特征形式构造一个全局 CR 不变量。当 $\Phi$ 的度数为 0 时,不变量与总 $Q'$-curvature 一致。当度数等于 CR 维数时,我们构造了一个质数伪厄米不变量 $\mathcal{I}'_\Phi$ ,它集成到相应的 CR 不变量。这些是 $\mathcal{I}'$-curvature 在 CR 五流形上的推广,由 Case--Gover 引入。
更新日期:2021-01-01
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