“Quadratic Invariant”的概念、定义、习题解题方法及翻译-数学辞典

单词

Quadratic Invariant

释义

Quadratic Invariant

Given the Binary Quadratic Form

(1)

with Discriminant

, let

			(2)
			(3)

Then

(4)

where

Surprisingly, this is the same discriminant as before, but multiplied by the factor

. The quantity

iscalled the Modulus.

See also Algebraic Invariant

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