A categorification of the square root of -1
A categorification of the square root of -1
复制标题
-1 的平方根的分类
DOI:
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发表时间:
2014
期刊:
影响因子:
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通讯作者:
Yin Tian
中科院分区:
文献类型:
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作者:
Yin Tian
We give a graphical calculus for a monoidal DG category $cal{I}$ whose Grothendieck group is isomorphic to the ring $mathbb{Z}[sqrt{-1}]$. We construct a categorical action of $cal{I}$ which lifts the action of $mathbb{Z}[sqrt{-1}]$ on $mathbb{Z}^2$.