THE SPACE OF HYPERKÄHLER METRICS ON A 4-MANIFOLD WITH BOUNDARY
THE SPACE OF HYPERKÄHLER METRICS ON A 4-MANIFOLD WITH BOUNDARY
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带边界的 4 流形上的 HyperKähler 度量空间
DOI:
10.1017/fms.2017.3
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发表时间:
2017
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通讯作者:
FINE J
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文献类型:
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作者:
FINE J
Let X be a compact 4-manifold with boundary. We study the space of hyperk¨ahler triples ω1, ω2, ω3 on X, modulo diffeomorphisms which are the identity on the boundary. We prove that this moduli space is a smooth infinite-dimensional manifold and describe the tangent space in terms of triples of closed anti-self-dual 2-forms. We also explore the corresponding boundary value problem: a hyperk¨ahler triple restricts to a closed framing of the bundle of 2-forms on the boundary; we identify the infinitesimal deformations of this closed framing that can be filled in to hyperk¨ahler deformations of the original triple. Finally we study explicit examples coming from gravitational instantons with isometric actions of SU(2).
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DOI:
10.1515/9781400859306
发表时间:
1988
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作者:
M. Atiyah;N. Hitchin
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M. Atiyah;N. Hitchin
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发表时间:
1991
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作者:
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2013
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作者:
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W. Ballmann
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2000
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作者:
Olivier Biquard
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Olivier Biquard
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