An entire Cremona transformation is a birational transformation of the plane. Cremona transformations are maps of the form
(1)
| |||
(2)
|
in which and are polynomials. A quadratic Cremona transformation is always factorable.
An entire Cremona transformation is a birational transformation of the plane. Cremona transformations are maps of the form
(1)
| |||
(2)
|
in which and are polynomials. A quadratic Cremona transformation is always factorable.
Weisstein, Eric W. "Cremona Transformation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CremonaTransformation.html