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arXiv 1806.06709math.AT
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具有水平结构的拓扑模形式:分解与对偶

Topological modular forms with level structure: decompositions and duality

Lennart Meier

摘要:

具有水平结构的拓扑模形式是由Hill和Lawson完全一般性地引入的。我们发现,这些分解添加剂在许多情况下成几个简单的片段,并给出了应用等变$TMF$。此外,我们表明,其中$Tmf_1(n)$是自安德森对偶的转变,无论是有和没有他们的自然$C_2$的行动。

英文摘要:

Topological modular forms with level structure were introduced in full generality by Hill and Lawson. We show that these decompose additively in many cases into a few simple pieces and give an application to equivariant $TMF$. Furthermore, we show which $Tmf_1(n)$ are self-Anderson dual up to a shift, both with and without their natural $C_2$-action.

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