Add to ORKGAbstract. If i: A ⊂ B is a commutative ring extension, we show that the group I(A,B) of invertible A-submodules of B is contracted in the sense of Bass, with LI(A,B) = H0 et (A, i∗Z/Z). This gives a canonical decomposition for I(A[t, 1
We study the associated graded ring G(I) of an ideal I that is contracted from a quadratic extension...
AbstractA held extension K ⊆ L is said to be an extension with G-Cogalois correspondence if there ex...
When the reduced twisted C∗-algebra Cr∗(G, c) of a non-principal groupoid G admits a Cartan subalgeb...
Motivated by a result of Traverso and Swan on seminormality, we prove that for a ring extension A su...
Let A subset of B be an extension of commutative reduced rings and M subset of N an extension of pos...
Latex file using Diagrams.tex, 36 pages. To appear in "K-theory"The Bass-Heller-Swan-Farrell-Hsiang-...
We prove that the relative commutator with respect to a subvariety of a variety of Omega-groups intr...
We study from an algebraic point of view the question of extending an action of a group Γ on a commu...
Let H be a Hopf algebra over a commutative base ring k, and A a right H-comodule algebra with comodu...
AbstractWe provide a detailed study of torsors over Laurent polynomial rings under the action of an ...
This paper provides a unified treatment of two distinct viewpoints concerning the classification of ...
We show that the isomorphism ς<SUB>B/A</SUB>: B/A → ϑ(A<SUB>∗</SUB>,B<SUB>∗</SUB>) introduced by the...
AbstractInvolutions on composition algebras over rings where 2 is invertible are investigated. It is...
Let (X) over bar be a separated scheme of finite type over a field k and D a non-reduced effective C...
AbstractWe show that the isomorphism ζB/A: B/A→I(A★,B★) introduced by the second author for a subint...
We study the associated graded ring G(I) of an ideal I that is contracted from a quadratic extension...
AbstractA held extension K ⊆ L is said to be an extension with G-Cogalois correspondence if there ex...
When the reduced twisted C∗-algebra Cr∗(G, c) of a non-principal groupoid G admits a Cartan subalgeb...
Motivated by a result of Traverso and Swan on seminormality, we prove that for a ring extension A su...
Let A subset of B be an extension of commutative reduced rings and M subset of N an extension of pos...
Latex file using Diagrams.tex, 36 pages. To appear in "K-theory"The Bass-Heller-Swan-Farrell-Hsiang-...
We prove that the relative commutator with respect to a subvariety of a variety of Omega-groups intr...
We study from an algebraic point of view the question of extending an action of a group Γ on a commu...
Let H be a Hopf algebra over a commutative base ring k, and A a right H-comodule algebra with comodu...
AbstractWe provide a detailed study of torsors over Laurent polynomial rings under the action of an ...
This paper provides a unified treatment of two distinct viewpoints concerning the classification of ...
We show that the isomorphism ς<SUB>B/A</SUB>: B/A → ϑ(A<SUB>∗</SUB>,B<SUB>∗</SUB>) introduced by the...
AbstractInvolutions on composition algebras over rings where 2 is invertible are investigated. It is...
Let (X) over bar be a separated scheme of finite type over a field k and D a non-reduced effective C...
AbstractWe show that the isomorphism ζB/A: B/A→I(A★,B★) introduced by the second author for a subint...
We study the associated graded ring G(I) of an ideal I that is contracted from a quadratic extension...
AbstractA held extension K ⊆ L is said to be an extension with G-Cogalois correspondence if there ex...
When the reduced twisted C∗-algebra Cr∗(G, c) of a non-principal groupoid G admits a Cartan subalgeb...