A type of overgroups of certain subgroups of orthogonal groups are determined over local rings,with the result as follows: Let R be a local ring,M the unique maximal ideal of R,O(2m,R) an orthogonal group over R.

 
  • 定出了局部環(huán)上正交群中一類(lèi)子群的擴群;得到了如下結果:設R是局部環(huán);M是R的唯一極大理想;O(2m;R)為R上正交群.
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