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Mathematische Zeitschrift
Article . 2009 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
https://dx.doi.org/10.48550/ar...
Article . 2008
License: arXiv Non-Exclusive Distribution
Data sources: Datacite
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Examples of asymptotically conical Ricci-flat Kähler manifolds

Authors: Craig van Coevering;

Examples of asymptotically conical Ricci-flat Kähler manifolds

Abstract

The author has proved that a crepant resolution Y of a Ricci-flat K��hler cone X admits a complete Ricci-flat K��hler metric asymptotic to the cone metric in every K��hler class in H^2_c(Y,\R). These manifolds are generalizations of the Ricci-flat ALE K��hler spaces known by the work of P. Kronheimer, D. Joyce and others. This article considers further the problem of constructing examples. We show that every 3-dimensional Gorenstein toric K��hler cone admits a crepant resolution for which the above theorem applies. This gives infinitely many examples of asymptotically conical Ricci-flat manifolds. Then other examples are given of which are crepant resolutions hypersurface singularities which are known to admit Ricci-flat K��hler cone metrics by the work of C. Boyer, K. Galicki, J. Koll��r, and others. Two families of hypersurface examples are given which are distinguished by the condition b_3(Y)=0 or b_3(Y)>0.

32 pages, 1 figure Some material added on embeddings of cones and some minor corrections made

Related Organizations
Keywords

Mathematics - Differential Geometry, Mathematics - Algebraic Geometry, Differential Geometry (math.DG), FOS: Mathematics, 53C25 (Primary) 53C55, 14M25 (Secondary), Algebraic Geometry (math.AG)

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citations
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!
30
Top 10%
Top 10%
Top 10%
Green
bronze