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arXiv · 1512.09005

Cones of effective divisors on the blown-up P^3 in general lines

Olivia Dumitrescu·Elisa Postinghel·Stefano Urbinati
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Abstract

We compute the facets of the effective cones of divisors on the blow-up of P^3 in up to five lines in general position. We prove that up to six lines these threefolds are weak Fano and hence Mori Dream Spaces.

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Olivia Dumitrescu, Elisa Postinghel, Stefano Urbinati. 2016-04-20. Cones of effective divisors on the blown-up P^3 in general lines. https://arxiv.org/abs/1512.09005

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