- Invariants (2)
- Localization theory (2)
- Sheaves, Theory of (2)
- Algorithms (1)
- Associative rings (1)
- Brauer group--Congresses (1)
- Commutative rings (1)
- Curves, Algebraic (1)
- Functor theory (1)
- Geometry, Algebraic (1)
- Hopf algebras--Congresses (1)
- Noncommutative algebras (1)
- Noncommutative rings (1)
- Quantum groups (1)
- Rings (Algebra) (1)
- Rings (Algebra)--Congresses (1)
- Sheaf theory (1)
- 可換環 (1)
- 環(数学) (1)