Holomorphic bundles on 2-dimensional noncommutative toric orbifolds
msra(2006)
摘要
We define the notion of a holomorphic bundle on the noncommutative toric orbifold T
θ/G associated with an action of a finite cyclic group G on an irrational rotation algebra. We prove that the category of such holomorphic bundles is abelian and its derived category
is equivalent to the derived category of modules over a finite-dimensional algebra ∧. As an application we finish the computation
of K
0-groups of the crossed product algebras describing the above orbifolds initiated in [18], [29], [30], [12] and [13]. Also, we describe a torsion pair in the category of ∧-modules, such that the tilting with respect to this torsion pair
gives the category of holomorphic bundles on T
θ/G.
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关键词
quantum algebra,2 dimensional,derived category,cyclic group,algebraic geometry
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