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Bridgeland stability conditions on surfaces with curves of negative self-intersection
Advances in Geometry ( IF 0.5 ) Pub Date : 2022-07-18 , DOI: 10.1515/advgeom-2022-0009 Rebecca Tramel 1 , Bingyu Xia 2
Advances in Geometry ( IF 0.5 ) Pub Date : 2022-07-18 , DOI: 10.1515/advgeom-2022-0009 Rebecca Tramel 1 , Bingyu Xia 2
Affiliation
Let X be a smooth complex projective variety. In 2002, Bridgeland [6] defined a notion of stability for the objects in 𝔇 b (X ), the bounded derived category of coherent sheaves on X , which generalised the notion of slope stability for vector bundles on curves. There are many nice connections between stability conditions on X and the geometry of the variety. We construct new stability conditions for surfaces containing a curve C whose self-intersection is negative. We show that these stability conditions lie on a wall of the geometric chamber of Stab(X ), the stability manifold of X .We then construct the moduli space Mσ (ℴ X ) of σ -semistable objects of class [ℴ X ] in K 0 (X ) after wall-crossing.
中文翻译:
具有负自交曲线的曲面上的 Bridgeland 稳定性条件
让X 是一个光滑的复射影变体。2002 年,Bridgeland [6] 为 𝔇 中的对象定义了稳定性概念 b (X ),相干滑轮的有界派生类别X ,它概括了曲线上矢量束的斜率稳定性的概念。稳定性条件之间有很多很好的联系X 以及品种的几何形状。我们为包含曲线的曲面构建了新的稳定性条件C 其自交为负。我们表明,这些稳定性条件位于 Stab 几何室的壁上(X ), 的稳定性流形X .然后我们构造模空间米σ (ℴ X ) 的σ - 类 [ℴ X ] 在ķ 0 (X ) 翻墙后。
更新日期:2022-07-18
中文翻译:
具有负自交曲线的曲面上的 Bridgeland 稳定性条件
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