Mathematics – Algebraic Geometry
Scientific paper
2012-03-01
Mathematics
Algebraic Geometry
42 pages
Scientific paper
In this paper, we study the birational geometry of the Hilbert scheme of n points on P^2. We discuss the stable base locus decomposition of the effective cone and the corresponding birational models. We give modular interpretations to the models in terms of moduli spaces of Bridgeland semi-stable objects. We construct these moduli spaces as moduli spaces of quiver representations using G.I.T. and thus show that they are projective. There is a precise correspondence between wall-crossings in the Bridgeland stability manifold and wall-crossings between Mori cones. For n at most 9, we explicitly determine the walls in both interpretations and describe the corresponding flips and divisorial contractions.
Arcara Daniele
Bertram Aaron
Coskun Izzet
Huizenga Jack
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