Modular Invariants and Twisted Equivariant K-theory

Modular Invariants and Twisted Equivariant K-theory
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模不变量和扭曲等变 K 理论

DOI:
10.4310/cntp.2009.v3.n2.a1
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发表时间:
2008
期刊:
arXiv: K-Theory and Homology
影响因子:
--
通讯作者:
T. Gannon
T. Gannon
中科院分区:
--
文献类型:
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作者:
David E. Evans;T. Gannon

文献摘要

被引文献

相似文献

Freed-Hopkins-Teleman将Verlinde代数表示为扭曲等变K-理论。我们研究了如何恢复与圈群相关的共形场论的模不变配分函数的完整系统(亏损线融合代数)、nimrep(圆柱配分函数)等。我们给出了几个对应于共形嵌入和orbifolds的例子。我们确定了SU(2)模不变量的A-D-E模式的一个新方面。
Freed-Hopkins-Teleman expressed the Verlinde algebra as twisted equivariant K-theory. We study how to recover the full system (fusion algebra of defect lines), nimrep (cylindrical partition function), etc of modular invariant partition functions of conformal field theories associated to loop groups. We work out several examples corresponding to conformal embeddings and orbifolds. We identify a new aspect of the A-D-E pattern of SU(2) modular invariants.