Marco Kuehnel

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20012003

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math.AG2002

Calabi-Yau-threefolds with Picard number $ρ (X) = 2$ and their Kaehler cone II

Marco Kuehnel

We prove the rationality of the Kähler cone and the positivity of $c_{2} (X)$ , if $X$ is a Calabi-Yau-threefold with $ρ (X) = 2$ and has an embedding into a ${\bb P}^n$-bundle over ${\bb…

math.AG2001

Calabi-Yau-threefolds with Picard number $ρ (X) = 2$ and their Kaehler cone I

Marco Kuehnel

We describe properties of the Kähler cone of general Calabi-Yau-threefolds with Picard number $ρ (X) = 2$ and prove the rationality of the Kähler cone, if $X$ is a Calabi-Yau-hypersur…

Calabi-Yau-threefolds with Picard number ρ(X)=2 and their Kaehler cone II

Calabi-Yau-threefolds with Picard number ρ(X)=2 and their Kaehler cone I

Calabi-Yau-threefolds with Picard number $ρ (X) = 2$ and their Kaehler cone II

Calabi-Yau-threefolds with Picard number $ρ (X) = 2$ and their Kaehler cone I