上迷向子簇上的向量丛通过Atiyah类的形变
Deformations of vector bundles on coisotropic subvarieties via the Atiyah class
摘要：
利用Atiyah类给出了代数Poisson簇$X$的共迷向子簇$Y$上的向量丛允许一阶和二阶非对易变形的一个判别准则.我们还表明，非交换变形的向量丛是由一个弯曲的dg李代数减少到经典的相对Hochschild复杂的泊松结构时，$X$是平凡的。
英文摘要：
Using the Atiyah class we give a criterion for a vector bundle on a coisotropic subvariety, $Y$, of an algebraic Poisson variety $X$ to admit a first and second order noncommutative deformation. We also show noncommutative deformations of a vector bundle are governed by a curved dg Lie algebra which reduces to the classical relative Hochschild complex when the Poisson structure on $X$ is trivial.
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