Nonassociative geometry in quasi-Hopf representation categories I: Bimodules and their internal homomorphisms
Nonassociative geometry in quasi-Hopf representation categories I: Bimodules and their internal homomorphisms
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拟Hopf表示类别中的非关联几何I:双模及其内部同态
DOI:
10.1016/j.geomphys.2014.12.005
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发表时间:
2015
影响因子:
1.5
通讯作者:
Barnes G
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文献类型:
--
作者:
Barnes G
We systematically study noncommutative and nonassociative algebras A and their bimodules as algebras and bimodules internal to the representation category of a quasitriangular quasi-Hopf algebra. We enlarge the morphisms of the monoidal category of A-bimodules by internal homomorphisms, and describe explicitly their evaluation and composition morphisms. For braided commutative algebras A the full subcategory of symmetric A-bimodule objects is a braided closed monoidal category, from which we obtain an internal tensor product operation on internal homomorphisms. We describe how these structures deform under cochain twisting of the quasi-Hopf algebra, and apply the formalism to the example of deformation quantization of equivariant vector bundles over a smooth manifold. Our constructions set up the basic ingredients for the systematic development of differential geometry internal to the quasi-Hopf representation category, which will be tackled in the sequels to this paper, together with applications to models of noncommutative and nonassociative gravity such as those anticipated from non-geometric string theory.
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发表时间:
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期刊:
arXiv: High Energy Physics - Theory
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