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命題 n次一般方程式のガロ ア群はn次対称群 Sn
ガロア群とは
分離的規約多項式 f(x)の分解体であるとき
L/Kが有限次ガロア拡大であることは同値
L/Kのガロア群を方程式f(x)=0のガロア群と呼ぶ
テキストです。
