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- Desmond Sheiham
- 2001

An n-dimensional \mu-component boundary link is a codimension 2 embedding of spheres L=\bigsqcup_{\mu}S^n \subset S^{n+2} such that there exist \mu disjoint oriented embedded (n+1)-manifolds which… (More)

- Desmond Sheiham
- 2004

If R is a triangular 2x2 matrix ring, the columns, P and Q, are projective left R-modules. We describe the universal localization of R which makes invertible an R-module morphism P --> Q,… (More)

- Desmond Sheiham
- 2002

We compute the Whitehead groups of the associative rings in a class which includes (twisted) formal power series rings and the augmentation localizations of group rings and polynomial rings.
For any… (More)

- Desmond Sheiham
- 2006

We use the Blanchfield-Duval form to define complete invariants for the cobordism group C_{2q-1}(F_\mu) of (2q-1)-dimensional \mu-component boundary links (for q\geq2).
The author solved the same… (More)

The classification of high-dimensional mu-component boundary links motivates decomposition theorems for the algebraic K-groups of the group ring A[F_mu] and the noncommutative Cohn localization… (More)

- Desmond Sheiham
- 2008

Almkvist proved that for a commutative ring A the characteristic polynomial of an endomorphism α : P → P of a finitely generated projective A-module determines (P, α) up to extensions. For a… (More)

- Desmond Sheiham
- 2001

Almkvist proved that for a commutative ring A the characteristic polynomial of an endomorphism \alpha:P \to P of a finitely generated projective A-module determines (P,\alpha) up to extensions. For a… (More)

- Desmond Sheiham
- 2006

If R is a triangular matrix ring, the columns, P and Q, are projective R-modules. We describe the universal localization of R which makes invertible an R-module morphism σ : P → Q, generalizing a… (More)

- Desmond Sheiham
- 2006

We use the Blanchfield-Duval form to define complete invariants for the cobordism group C2q−1(Fμ) of (2q − 1)-dimensional μ-component boundary links (for q ≥ 2). The author solved the same problem in… (More)

- K –theory, Andrew Ranicki, Desmond Sheiham, Jerry Levine, Desmond Sheiham
- 2006

The classification of high-dimensional –component boundary links motivates decomposition theorems for the algebraic K–groups of the group ring AŒF and the noncommutative Cohn localization † AŒF ,… (More)

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