关于源自秩一4D SCFT的非容许水平上的若干简单轨形仿射VOA
On some simple orbifold affine VOAs at non-admissible level arising from rank one 4D SCFTs
AI总结:
本文研究源自秩一4D SCFT的非容许水平仿射顶点代数,分类$L_{-2}(G_2)$与$L_{-2}(B_3)$的不可约最高权模,并证明前者的伴生簇是$L_{-2}(D_4)$伴生簇在三次对称群下的轨形。
摘要:
我们研究了源自秩一4D SCFT的、处于非容许水平的若干简单仿射顶点代数的表示。具体而言,我们分类了$L_{-2}(G_2)$与$L_{-2}(B_3)$的不可约最高权模。由Adamović和Perše的工作已知,这些顶点代数可以共形嵌入到$L_{-2}(D_4)$中。我们还计算了$L_{-2}(G_2)$的伴生簇,并证明它是$L_{-2}(D_4)$的伴生簇在三次对称群作用下的轨形,该群正是$D_4$的Dynkin图自同构群。这提供了一个有趣的新伴生簇例子,满足轨形顶点代数背景下的若干猜想。
英文摘要:
We study the representations of some simple affine vertex algebras at non-admissible level arising from rank one 4D SCFTs. In particular, we classify the irreducible highest weight modules of $L_{-2}(G_2)$ and $L_{-2}(B_3)$. It is known by the works of Adamović and Perše that these vertex algebras can be conformally embedded into $L_{-2}(D_4)$. We also compute the associated variety of $L_{-2}(G_2)$, and show that it is the orbifold of the associated variety of $L_{-2}(D_4)$ by the symmetric group of degree 3 which is the Dynkin diagram automorphism group of $D_4$. This provides a new interesting example of associated variety satisfying a number of conjectures in the context of orbifold vertex algebras.
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