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Geometric
quantization of coupled Kähler–Einstein metrics
Ryosuke Takahashi |
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Vol. 14 (2021), No. 6, 1817–1849
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Abstract |
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We study the quantization of coupled Kähler–Einstein (CKE) metrics, namely we approximate CKE metrics by means of the canonical Bergman metrics, called “balanced metrics”. We prove the existence and weak convergence of balanced metrics for the negative first Chern class, while for the positive first Chern class, we introduce an algebrogeometric obstruction which interpolates between the Donaldson–Futaki invariant and Chow weight. Then we show the existence and weak convergence of balanced metrics on CKE manifolds under the vanishing of this obstruction. Moreover, restricted to the case when the automorphism group is discrete, we also discuss approximate solutions and a gradient flow method towards the smooth convergence. |
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Keywords
coupled Kähler–Einstein metric, geometric quantization,
balanced metric
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Mathematical Subject Classification 2010
Primary: 53C55
Secondary: 14L24
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Milestones
Received: 14 June 2019
Revised: 24 December 2019
Accepted: 3 March 2020
Published: 7 September 2021
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Authors |
| Ryosuke Takahashi | |
| Faculty of Mathematics Kyushu University Fukuoka Japan |
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