Definition of Birational. Meaning of Birational. Synonyms of Birational

Here you will find one or more explanations in English for the word Birational. Also in the bottom left of the page several parts of wikipedia pages related to the word Birational and, of course, Birational synonyms and on the right images related to the word Birational.

Definition of Birational

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Meaning of Birational from wikipedia

- In mathematics, birational geometry is a field of algebraic geometry in which the goal is to determine when two algebraic varieties are isomorphic outside...
- prin****lly as the first to give a classification of algebraic surfaces in birational geometry, and other contributions in algebraic geometry. Enriques was...
- Harvard in 1960, Hironaka received his PhD for his thesis On the Theory of Birational Blowing-up. Hironaka was an ****ociate Professor of Mathematics at Brandeis...
- geometric genus p g {\displaystyle p_{g}} because one cannot distinguish birationally only the topological genus. Then, irregularity is introduced for the...
- In algebraic geometry, a birational invariant is a property that is preserved under birational equivalence. A birational invariant is a quantity or object...
- contracted. Then, the birational map is given by normalization. Two varieties are said to be birationally equivalent if there exists a birational map between them;...
- proved by Oscar ZariskiĀ (1943), is a statement about the structure of birational morphisms stating roughly that there is only one branch at any normal...
- canonical ring and therefore likewise the Kodaira dimension is a birational invariant: Any birational map between smooth compact complex manifolds induces an isomorphism...
- surfaces and Mori fiber spaces. The following perspective is crucial in birational geometry (in particular in Mori's minimal model program). Let X {\displaystyle...
- Equivalently, they are birationally equivalent if their function fields are isomorphic. An affine variety is a rational variety if it is birationally equivalent to...