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arXiv 1012.5190hep-thcond-mat.stat-mechmath-phmath.MP
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对数极小模型LM(1,p)中Kac表示的分类

Classification of Kac representations in the logarithmic minimal models LM(1,p)

Jorgen Rasmussen

摘要:

对于每对正整数r,s,在对数极小模型LM(1,p)的格点方法中,存在与Yang-Baxter可积边界条件相关联的所谓Kac表示(r,s).我们提出了一个分类这些表示为有限生成的Feigin-Fuchs模块的子模块,并提出了一个猜想,他们的融合代数,我们称之为Kac融合代数。的建议进行了测试,使用格的方法和应用程序的Nahm-Gaberdiel-Kausch算法的组合。我们还讨论了融合代数如何通过包含与Kac表示相逆的模来扩张,并确定了同构于扩张Kac融合代数及其逆扩张的多项式融合环.

英文摘要:

For each pair of positive integers r,s, there is a so-called Kac representation (r,s) associated with a Yang-Baxter integrable boundary condition in the lattice approach to the logarithmic minimal model LM(1,p). We propose a classification of these representations as finitely-generated submodules of Feigin-Fuchs modules, and present a conjecture for their fusion algebra which we call the Kac fusion algebra. The proposals are tested using a combination of the lattice approach and applications of the Nahm-Gaberdiel-Kausch algorithm. We also discuss how the fusion algebra may be extended by inclusion of the modules contragredient to the Kac representations, and determine polynomial fusion rings isomorphic to the conjectured Kac fusion algebra and its contragredient extension.

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