Concept information
Preferred term
Gauss's lemma in number theory
Definition
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Gauss's lemma in number theory gives a condition for an integer to be a quadratic residue. Although it is not useful computationally, it has theoretical significance, being involved in some proofs of quadratic reciprocity.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Gauss%27s_lemma_(number_theory))
Broader concept
In other languages
URI
http://data.loterre.fr/ark:/67375/PSR-DGCSVTNW-T
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