Dr Desmond Sheiham

13th November 1974 - 25th March 2005

Photo of Des, Photo of Des, Andrew and Diarmuid Crowley (with Jerry Levine in the background) at Banff (2004).

Memorial Stone Photo 1, Photo 2, Photo 3.
N.G. Johnson of Lamb & Co Monumental Masons in Maidenhead laboured painstakingly
to create the mathematical shape on the memorial stone to make it faithful to Des's
original.

Cambridge University (Trinity College), 1993-1997

BA Hons. Mathematics 1st Class

Part III Mathematics, Passed with Distinction

University of Edinburgh, 1997-2001

Ph.D. 2001 (supervised by Andrew Ranicki)

Invariants of Boundary Link Cobordism.

Visiting Assistant Professor, Mathematics Department,

University of California at Riverside, 2001-2003

Research Instructor, International University Bremen, 2003-2005

Publications:

1. Non-commutative Characteristic Polynomials and Cohn Localization

Journal of the London Mathematical Society (2) Vol 64, 13-28 (2001)

e-print http://arXiv.org/abs/math.RA/0104158

2. "Invariants of Boundary Link Cobordism",

Memoirs of the American Mathematical Society, Vol 165 (2003)

e-print http://arXiv.org/abs/math.AT/0110249

3. Whitehead groups of localizations and the endomorphism class group,

Journal of Algebra, Vol 270, 261-280 (2003)

e-print http://arXiv.org/abs/math.KT/0209311

4. Invariants of Boundary Link Cobordism II. The Blanchfield-Duval Form

e-print http://arXiv.org/abs/math.AT/0404229

in Noncommutative Localization in Algebra and Topology (dedicated to Des),
the proceedings of the Workshop on Noncommutative Localization in Algebra and Topology
at ICMS, Edinburgh, 29-30 April, 2002, LMS Lecture Notes Series 330,
Cambridge University Press, 143--219 (2006).

5. Universal localization of triangular matrix rings, Proc. A.M.S. 134, 3465--3474 (2006)

e-print http://arXiv.org/abs/math.RA/0407497

6. (with A.Ranicki) Blanchfield and Seifert algebra in high-dimensional boundary link theory I. Algebraic K-theory
Geometry and Topology 10, 1761--1853 (2006). e-print http://arXiv.org/abs/math.AT/0508405

High-dimensional knots and boundary links. Slides of talk given by Des in Aberdeen, November, 2004.

Slides of talk given by Diarmuid Crowley on Des' work at the Bochum NRW Topology meeting, 15 April, 2005.

Cobordism in algebra and topology Slides of talk given by Andrew Ranicki in Goettingen, 13 May, 2005 at the retirement colloquium for Robert Switzer.

Blanchfield and Seifert algebra for high-dimensional boundary links Slides of talk given by Andrew Ranicki on joint work with Des, at the Workshop on the Algebraic K- and L-theory of Infinite Groups at ICMS, Edinburgh, 27 June -- 1 July, 2005.

Linear independence of Gabor systems in finite-dimensional vector spaces by J.Lawrence, G.E.Pfander and D.Walnut, J. Fourier Analysis 11, 715-726 (2005).  Paper dedicated to Des.

A Combinatorial Classification of Postsingularly Finite Complex Exponential Maps, by Bastian Laubner and Dierk Schleicher and Vlad Vico, e-print http://arXiv.org/abs/math/0602602. Discrete and Continuous Dynamical Systems 22, 663--682 (2008). Paper dedicated to Des.

Universal localizations embedded in power-series rings by Pere Ara and Warren Dicks, Forum Mathematicum 19, 365--378 (2007). Paper dedicated to Des.

On Crystal Bases and Enright's Completions by Dijana Jakelic, Journal of Algebra 312, 111--131 (2007) e-print http://arXiv.org/abs/math.QA/0512506. Paper dedicated to Des.

Stacky Lie Groups by Christian Blohmann, Int. Math. Res. Notices IMRN (2008). art. ID 082, e-print http://arXiv.org/abs/math.DG/0702399. Paper dedicated to Des.

Twisted torsion invariants and link concordance by Jae Choon Cha and Stefan Friedl, e-print http://arXiv.org/abs/1001.0926. Paper dedicated to Des.

Memorial page for Jerry Levine (1937-2006). A.R.'s tribute includes appreciation of J.L.'s help and support to Des.

Mathematical Reviews references to Des Sheiham