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1984 | OriginalPaper | Buchkapitel

Direct Image Theorem

verfasst von : Hans Grauert, Reinhold Remmert

Erschienen in: Coherent Analytic Sheaves

Verlag: Springer Berlin Heidelberg

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If f: X → Y is a holomorphic map between complex spaces X and Y, the direct images f (q)(S) of a coherent O X -sheaf S in general are not coherent O Y -sheaves. For example if Y is just a single (reduced) point, coherence of the q-th image sheaf f(q)(S) means that f (q) (S)=Hq(X, S) is a finite dimensional complex vector space. There are many examples of non-compact spaces X where this is not the case.

Metadaten
Titel
Direct Image Theorem
verfasst von
Hans Grauert
Reinhold Remmert
Copyright-Jahr
1984
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-69582-7_10