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Fixed point subalgebras of lattice vertex operator algebras by an automorphism of order three

机译:三阶自同构的格顶点算子代数的不动点子代数

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We study the fixed point subalgebra of a certain class of lattice vertex operator algebras by an automorphism of order 3, which is a lift of a fixed-point-free isometry of the underlying lattice. We classify the irreducible modules for the subalgebra. Moreover, the rationality and the C_2-cofiniteness of the subalgebra are established. Our result contains the case of the vertex operator algebra associated with the Leech lattice.
机译:我们通过阶数为3的自同构来研究某一类晶格顶点算子代数的不动点子代数,这是底层晶格的无定点等距的提升。我们对子代数的不可约模块进行分类。此外,建立了子代数的合理性和C_2-定性。我们的结果包含与Leech格关联的顶点算子代数的情况。

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