Binary Quadratic Forms and the Ideal Class Group by Seth Viren Neel
= Binary Quadratic Forms and the Ideal Class Group by Seth Viren Neel
{c}
{tag=Work by Seth Viren Neel}
{title2=2012-08-06}
https://www.math.columbia.edu/~chaoli/tutorial2012/SethNeel.pdf
Summer tutorial notes. Section 2.2, Definition 1 and Theorem 2.3 state primitive positive definite reduction and uniqueness; the following argument bounds the reduced coefficients. The primitive-form hypotheses must be retained when counting a <class number of a negative discriminant>.