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・ Hilbert modular surface
・ Hilbert number
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・ Hilbert Philip Zarky
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・ Hilbert R-tree
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・ Hilbert Shirey
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Hilbert symbol
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・ Hilbert Wildlife Management Area
・ Hilbert's arithmetic of ends
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・ Hilbert's basis theorem
・ Hilbert's eighteenth problem
・ Hilbert's eighth problem
・ Hilbert's eleventh problem
・ Hilbert's fifteenth problem
・ Hilbert's fifth problem
・ Hilbert's fourteenth problem


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Hilbert symbol : ウィキペディア英語版
Hilbert symbol
In mathematics, the Hilbert symbol or norm-residue symbol is a function (–, –) from ''K''× × ''K''× to the group of ''n''th roots of unity in a local field ''K'' such as the fields of reals or p-adic numbers . It is related to reciprocity laws, and can be defined in terms of the Artin symbol of local class field theory. The Hilbert symbol was introduced by in his Zahlbericht, with the slight difference that he defined it for elements of global fields rather than for the larger local fields.
The Hilbert symbol has been generalized to higher local fields.
==Quadratic Hilbert symbol==

Over a local field ''K'' whose multiplicative group of non-zero elements is ''K''×,
the quadratic Hilbert symbol is the function (–, –) from ''K''× × ''K''× to defined by
:(a,b)=\begin1,&\mboxz^2=ax^2+by^2\mbox(x,y,z)\in K^3;\\-1,&\mbox\end

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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