局部有限同调中$\mathrm{GL}_n(\mathbb{Z})$的轮类,规范积分与ζ值
The wheel classes in the locally finite homology of $\mathrm{GL}_n(\mathbb{Z})$, canonical integrals and zeta values
AI总结:
本文研究了轮类在局部有限同调和热带几何中的表现,证明了规范积分与奇ζ值的比例关系,并揭示了其在不同数学结构中的非零类存在。
摘要:
我们计算了与轮图相关的规范积分,并证明它们与奇ζ值成比例。由此我们得出轮类在一般线性群$\GL_n(\ZZ)$的局部有限同调、热带曲线模空间的同调以及热带阿贝尔簇模空间中定义了非零类。我们还推导了偶数交换图复形中存在一个双无穷辅助类的 existence。
英文摘要:
We compute the canonical integrals associated to wheel graphs, and prove that they are proportional to odd zeta values. From this we deduce that wheel classes define explicit non-zero classes in: the locally finite homology of the general linear group $\GL_n(\ZZ)$ in both odd and even ranks, the homology of the moduli spaces of tropical curves, and the moduli space of tropical abelian varieties. We deduce the existence of a doubly infinite family of auxiliary classes in the even commutative graph complex.
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