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https://dx.doi.org/10.13154/29...
Doctoral thesis . 2020
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Equivariant embeddings of strongly pseudoconvex CR manifolds

Authors: Fritsch, Kevin (M. Sc.);

Equivariant embeddings of strongly pseudoconvex CR manifolds

Abstract

Ich untersuche CR Mannigfaltigkeiten mit eigentlichen, transversalen Gruppenwirkungen. Zuerst zeige ich, dass sich solche Mannigfaltigkeiten immer äquivariant in eine komplexe Mannigfaltigkeit mit holomorpher Gruppenwirkung einbetten lassen. Dies nutze ich, um zu beweisen, dass der Quotient nach der Wirkung immer die Struktur eines komplexen Raumes trägt. Mit Hilfe dieser Resultate und Methoden aus der komplexen Geometrie beweise ich dann einen äquivarianten Einbettungssatz für (nicht kompakte) streng pseudokonvexe CR Mannigfaltigkeiten in komplexe Darstellungen. Es ergibt sich außerdem ein projektives Einbettungsresultat für kompakte CR Mannigfaltigkeiten mit positivem Geradenbündel.

I consider CR manifolds with proper, transversal group actions. I start by showing that such manifolds may always be equivariantly embedded into a complex manifold with holomorphic group action. Using this, I proof that the quotient under the group action carries the structure of a complex space. Utilising these results and methods from complex geometry, I then proof an equivariant embedding theorem for (non-compact) strongly pseudoconvex CR manifolds into complex representations. There also follows a projective embedding theorem for compact CR manifolds with positive line bundle.

Country
Germany
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Keywords

Pseudokonvexität, ddc:510, Einbettung (Mathematik), Äquivalente Einbettung, 510 Mathematik, Darstellung (Mathematik), Cauchy-Riemannsche Mannigfaltigkeit

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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