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单词 HilbertSymbol
释义

Hilbert symbol


Let K be any local fieldMathworldPlanetmath. For any two nonzero elements a,bK×, we define:

(a,b):={+1 if z2=ax2+by2 has a nonzero solution (x,y,z)(0,0,0) in K3,-1 otherwise.

The number (a,b) is called the Hilbert symbol of a and b in K.

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更新时间:2025/5/4 8:37:55