Lattices of intermediate subfactors
Lattices of intermediate subfactors
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DOI:
10.1006/jfan.1996.0110
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发表时间:
1992-06
影响因子:
3.9
通讯作者:
Y. Watatani
中科院分区:
文献类型:
--
作者:
Y. Watatani
LetNbe an irreducible subfactor of a typeII1factorM. If the Jones index [M:N] is finite, then the set Lat(N⊂M) of the intermediate subfactors for the inclusionN⊂Mforms afinitelattice. The commuting and co-commuting square conditions for intermediate subfactors are related to the modular identity in the lattice Lat(N⊂N). In particular, simplicity of a finite groupGis characterized in terms of commuting square conditions of intermediate subfactors forN⊂M=N⋊G. We investigate the question of which finite lattices can be realized as intermediate subfactor lattices.