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arxiv: 1510.04089 · v2 · pith:6DNXEJAAnew · submitted 2015-10-14 · 🧮 math.AG

Stability conditions on Fano threefolds of Picard number one

classification 🧮 math.AG
keywords conditionsstabilityfanonumberpicardslopebogomolov-giesekerbound
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We prove the conjectural Bogomolov-Gieseker type inequality for tilt slope stable objects on each Fano threefold X of Picard number one. Based on the previous works on Bridgeland stability conditions, this induces an open subset of geometric stability conditions on D^b(X). We also get a new stronger bound for the Chern characters of slope semistable sheaves on X.

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