谱三元组与超Virasoro代数
Spectral triples and the super-Virasoro algebra
摘要：
我们构建了与超Virasoro代数的表示相关联的无限维谱三元组。特别是不可约的，酉正能量表示的Ramond代数与中心电荷c和最小的最低重量h=c/24是分等级的，并产生了一个网络的甚至θ-可和谱三元组与非零Fredholm指数。不可约酉正能量表示的Neveu-Schwarz代数产生网甚至θ-可和广义谱三元组没有狄拉克算子，但只有一个superderivative。
英文摘要：
We construct infinite dimensional spectral triples associated with representations of the super-Virasoro algebra. In particular the irreducible, unitary positive energy representation of the Ramond algebra with central charge c and minimal lowest weight h=c/24 is graded and gives rise to a net of even theta-summable spectral triples with non-zero Fredholm index. The irreducible unitary positive energy representations of the Neveu-Schwarz algebra give rise to nets of even theta-summable generalised spectral triples where there is no Dirac operator but only a superderivation.
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