birationally

not-comparable

(mathematics) In birational terms.

Japanese Meaning

数学において、双有理写像、つまり有理変換の観点からの性質や関係を示す。

The two algebraic surfaces are birationally equivalent, so they share isomorphic function fields.

その二つの代数曲面は双有理的に同値であるため、同型の関数体を共有しています。

Sense（1）

(mathematics) In birational terms.

Two varieties are said to be birationally equivalent if there exists a birational map between them.