机构:
Univ Wesr, Dept Technol Math & Comp Sci, S-46129 Trollhattan, SwedenUniv Wesr, Dept Technol Math & Comp Sci, S-46129 Trollhattan, Sweden
Lundstrom, Patrik
[1
]
机构:
[1] Univ Wesr, Dept Technol Math & Comp Sci, S-46129 Trollhattan, Sweden
来源:
INDAGATIONES MATHEMATICAE-NEW SERIES
|
2007年
/
18卷
/
01期
关键词:
D O I:
10.1016/S0019-3577(07)80007-3
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We use an inverse limit version of Hilbert's theorem 90 to obtain a cohomological proof, based on Galois descent, of Lenstra's version of the normal basis theorem for infinite Galois field extensions.