非半单Verlinde公式与伪迹函数
The non-semisimple Verlinde formula and pseudo-trace functions
摘要:
我们指出,Shimizu的结果内部字符意味着一个有用的非半单变种的范畴Verlinde公式的可因子分解的有限张量范畴。结合Miyamoto和Arike-Nagatomo关于伪迹函数的结果,可以对一个非半单模Verlinde公式作出精确的猜想,该公式将伪迹函数的模性质与相应顶点算子代数的Grothendieck环中的积联系起来.
英文摘要:
We point out that results of Shimizu on internal characters imply a useful non-semisimple variant of the categorical Verlinde formula for factorisable finite tensor categories. When combined with results on pseudo-trace functions by Miyamoto and Arike-Nagatomo, one can make a precise conjecture for a non-semisimple modular Verlinde formula which relates modular properties of pseudo-trace functions and the product in the Grothendieck ring of the corresponding vertex operator algebra.
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