Recent Publications, Alan Barnes

Preprints

Comment on "Conformally flat stationary axisymmetric metrics"

(with JMM Senovilla). See also gr-qc/0305091

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Refereed Journals

Killing Tensors and Conformal Killing Tensors from Conformal Killing Vectors

(with R Rani & SB Edgar). Classical & Quantum Gravity 20(11), pp.1929--1942, 2003.

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Ricci Collineations in Friedmann-Robertson-Walker spacetimes

(with U Camci). Classical & Quantum Gravity, 19 (2), pp.393--404, 2002.

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Some Restrictions on the Symmetry Groups of Axially Symmetric Spacetimes

Classical & Quantum Gravity, 18, (24), pp. 5511--5520, 2001.

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On the symmetries of the Edgar-Ludwig metric

Classical & Quantum Gravity, 18, (23), pp. 5287--5291, 2001.

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A comment on a paper by Carot et al.

Classical & Quantum Gravity 17 (13), pp 2605--2609, 2000.

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On Stephani's rotating dust solutions

Classical & Quantum Gravity 16 (3), pp 919--926, 1999.

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Symmetries of the Stephani universes

Classical & Quantum Gravity 15 (10), pp. 3061--3070, 1998.

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A Comment on a Paper by Dadhich and Patel

General Relativity & Gravitation, 30, pp. 515--517, 1998.

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Projective Collineations in Einstein Spaces

Classical & Quantum Gravity, 10, pp. 1139--1145, 1993.

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Killing vectors in conformally flat perfect fluid spacetimes

Classical & Quantum Gravity, 7, pp. 1721--1731, 1990.

Irrotational perfect fluids with a purely electric Weyl tensor

Classical & Quantum Gravity, 6, pp. 949--960, 1989.

Book Chapters

Non-commensurate delay systems

(with JE Marshall & K Walton) in The Mathematics of Control Theory, pp. 361--369 Eds. N.K. Nichols and D.H. Owens, Oxford Univ. Press, 1992.

Refereed Conferences

Purely Magnetic Spacetimes

Proceedings 27th Spanish Relativity Meeting (Encuentros Relativistas Españoles) Alicante, Spain. Sept. 2003 pp.113--118 Eds. J.A. Miralles, J.A. Font and J.A. Pons Univ. Alicante Press, 2004. See also gr-qc/0401068

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Irreducible Killing Tensors from Conformal Killing Vectors

(with SB Edgar & R Rani) Proc. Inst. Maths. of NAS, Ukraine 50(2), 708--714, 2004.

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Killing Tensors from Conformal Killing Vectors

(with R Rani & SB Edgar). In Proceedings of the XXV Spanish Relativity Meeting 2002 (Encuentros Relativistas Españoles EREs2002) Eds. A Lobo, F Fayos, J Garriga, E Gaztañaga & E Verdaguer. University of Barcelona Press (2003) pp. 248--252.

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On Cyclically Symmetrical Spacetimes

In Proceedings of the XXIII Spanish Relativity Meeting 2000 (Encuentros Relativistas Españoles EREs2000) Eds. JF Pascual-Sánchez, L Floría, A San Miguel and F Vicente. World Scientific Publishing Co. (2001) pp. 241--6

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Symmetries of the Stephani Universes and Related Solutions

In Group22: Proceedings of 22nd International Colloquium on Group Theoretical Methods in Physics Eds. SP Corney, R Delbourgo and PD Jarvis, International Press (1999) pp240--244

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On Stephani's rotating dust solutions and their generalisations

2nd Australasian Conference on General Relativity and Gravitation, Sydney, Australia. July 1998, Abstracts of Contributed Papers.

Symmetries of the Stephani universes

15th International Conference on General Relativity and Gravitation, Poona, India. December 1997, pp. 4--5, Abstracts of Contributed Papers, Eds. J.V. Narlikar and N. Dadhich

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Projective Collineations in General Relativity,

13th International Conference on General Relativity and Gravitation, Cordoba, Argentina 1992, pp. 9--10, Abstract of Contributed Papers, Eds. P.W. Lamberti and O.E. Ortiz

Univariate Power Series Expansions in Reduce

1990 International Symposium on Symbolic and Algebraic Computation Tokyo, Japan.

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