Coupled Kähler–Ricci solitons on toric Fano manifolds
Coupled Kähler–Ricci solitons on toric Fano manifolds
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DOI:
10.2140/apde.2019.12.2067
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发表时间:
2017-11
期刊:
影响因子:
2.2
通讯作者:
Jakob Hultgren
中科院分区:
文献类型:
--
作者:
Jakob Hultgren
We prove a necessary and sufficient condition in terms of the barycenters of a collection of polytopes for existence of coupled K\"ahler-Einstein metrics on toric Fano manifolds. This confirms the toric case of a coupled version of the Yau-Tian-Donaldson conjecture. We also obtain a necessary and sufficient condition for existence of torus-invariant solutions to a system of soliton type equations on toric Fano manifolds. Some of these solutions provide natural candidates for the large time limits of a certain geometric flow generalizing the K\"ahler-Ricci flow.