Infinitesimally Central Extensions of Chevalley Groups
Infinitesimally Central Extensions of Chevalley Groups
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Chevalley群的无穷小中心扩张
DOI:
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发表时间:
1973
期刊:
影响因子:
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通讯作者:
W. L. J. van der Kallen
中科院分区:
文献类型:
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作者:
W. L. J. van der Kallen
Conventions.- Universal central extensions. Central trick.- Degenerate sums. The extension r : .- The action Ad. Structure of g*Z, g*R.- Admissible lattices and the category LV. ?-connected components.- The G-module ker ?.- G-invariant [p]-structures.- The extension ? : G* ? G.- Extensions of G by a G-module.- The hochschild groups.- The existence of ? : G* ? G.- Relations in the open cell.- Representatives in G* of the Weyl group.- The theorem of generators and relations and its consequences.- The group functor G*.