Green equivalences in equivariant mathematics

Green equivalences in equivariant mathematics
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DOI:
10.1007/s00208-021-02145-2
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发表时间:
2020-01
影响因子:
1.4
通讯作者:
Paul Balmer;Ivo Dell’Ambrogio
Paul Balmer;Ivo Dell’Ambrogio
中科院分区:
数学2区
文献类型:
--
作者:
Paul Balmer;Ivo Dell’Ambrogio

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在不假设Krull-Schmidt的情况下,我们建立了所有Mackey 2泛函子的Green等价。通过运行Mackey 2函子的例子,我们恢复了表征理论中已知的Green等价和Green对应的所有变体,并在其他几种情况下获得了新的变体。这类应用包括拓扑中的等变稳定同伦理论和几何中的等变轴。
We establish Green equivalences for all Mackey 2-functors, without assuming Krull–Schmidt. By running through the examples of Mackey 2-functors, we recover all variants of the Green equivalence and Green correspondence known in representation theory and obtain new ones in several other contexts. Such applications include equivariant stable homotopy theory in topology and equivariant sheaves in geometry.