Birational invariant

Summary

• In mathematics, a birational invariant in algebraic geometry is a quantity or object that is well-defined on a birational equivalence class of algebraic varieties. In other words, it depends only on the function field of the variety.

Similar Topics

• Adiabatic invariant
• Graph invariant
• Curvature invariant
• Birational isomorphism
• Casimir invariant
• Knot invariant
• J-invariant
• Loop invariant
• Hasse invariant
• Class invariant

Related Topics

• Algebraic geometry
• Equivalence class
• Function field

  * This page is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Birational invariant".