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Article overview
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Calabi-Yau-threefolds with Picard number $
ho(X)=2$ and their Kaehler cone II | Marco Kuehnel
; | Date: |
30 Dec 2001 | Subject: | Algebraic Geometry MSC-class: 14J32;14J30 | math.AG | Abstract: | We prove the rationality of the Kähler cone and the positivity of $c_2(X)$, if $X$ is a Calabi-Yau-threefold with $
ho(X)=2$ and has an embedding into a ${b P}^n$-bundle over ${b P}^m$ in the cases $(n,m)=(1,3),(3,1)$. The case $(n,m)=(2,2)$ has been done in the first part of this paper. Moreover, if $(n,m)=(3,1)$, we describe the ’other’ contraction different from the projection. | Source: | arXiv, math.AG/0201295 | Services: | Forum | Review | PDF | Favorites |
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