Find Research Outputs

1986
8 Citations

Linear system reduction by the modified factor division method

Lucas, T. N., Nov 1986, In : IEE Proceedings D: Control Theory and Applications. 133, 6, p. 293-296 4 p.

Research output: Contribution to journalArticle

Linear systems
Transfer functions
67 Citations

Magnesium and cell cycle control: an update

Walker, G. M., 1986, In : Magnesium. 5, 1, p. 9-23 15 p.

Research output: Contribution to journalArticle

Cell Cycle Checkpoints
Magnesium
Cell Cycle
Cell Division
Bacteria
1985
20 Citations

Linear system reduction by impulse energy approximation

Lucas, T. N., Aug 1985, In : IEEE Transactions on Automatic Control. 30, 8, p. 784-786 3 p.

Research output: Contribution to journalArticle

Impulse response
Linear systems

Model reduction by condensed continued-fraction method

Lucas, T. N., 1 Aug 1985, In : Electronics Letters. 21, 16, p. 680-681 2 p.

Research output: Contribution to journalArticle

Transfer functions
1984
10 Citations

Biased model reduction by factor division

Lucas, T. N., 5 Jul 1984, In : Electronics Letters. 20, 14, p. 582–583 2 p.

Research output: Contribution to journalArticle

Transfer functions
7 Citations

Linear system reduction by continued-fraction expansion about three points

Lucas, T. N., 5 Jan 1984, In : Electronics Letters. 20, 1, p. 50-51 2 p.

Research output: Contribution to journalArticle

Linear systems
12 Citations

Magnesium and the regulation of germ-tube formation in Candida albicans

Walker, G. M., Sullivan, P. A. & Shepherd, M. G., 1 Aug 1984, In : Journal of General Microbiology. 130, 8, p. 1941-1945 5 p.

Research output: Contribution to journalArticle

Candida albicans
Magnesium
Yeasts
Acetylglucosamine
Ionophores

System reduction by Cauer continued-fraction expansion about s = a and s = ∞ alternately

Lucas, T. N., 12 Apr 1984, In : Electronics Letters. 20, 8, p. 335-336 2 p.

Research output: Contribution to journalComment/debate

1983
14 Citations

Continued-fraction algorithm for biased model reduction

Lucas, T. N., 9 Jun 1983, In : Electronics Letters. 19, 12, p. 444-445 2 p.

Research output: Contribution to journalArticle

Linear systems
12 Citations

Efficient algorithm for reduction by continued-fraction expansion about s = 0 and s = a

Lucas, T. N., 10 Nov 1983, In : Electronics Letters. 19, 23, p. 991–993 3 p.

Research output: Contribution to journalArticle

52 Citations

Factor division: a useful algorithm in model reduction

Lucas, T. N., Nov 1983, In : IEE Proceedings D: Control Theory and Applications. 130, 6, p. 362-364 3 p.

Research output: Contribution to journalArticle

Linear systems
Poles
19 Citations

Frequency-domain reduction of linear systems using Schwarz approximation

Lucas, T. N. & Davidson, A. M., 1983, In : International Journal of Control. 37, 5, p. 1167-1178 12 p.

Research output: Contribution to journalArticle

Linear systems
Polynomials
17 Citations

Linear system reduction by continued-fraction expansion about s = 0 and s = a alternately

Lucas, T. N., 31 Mar 1983, In : Electronics Letters. 19, 7, p. 244-246 3 p.

Research output: Contribution to journalArticle

Transfer functions
Linear systems
1982
30 Citations

Cell cycle specificity of certain antimicrotubular drugs in Schizosaccharomyces pombe

Walker, G. M., 1 Jan 1982, In : Journal of General Microbiology. 128, 1, p. 61-71 11 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Thiabendazole
Cell Cycle
Pharmaceutical Preparations
Microtubules
7 Citations

Magnesium-induced mitochondrial polymorphism and changes in respiratory metabolism in the fission yeast, Schizosaccharomyces pombe

Walker, G. M., Birch-Andersen, A., Hamburger, K. & Kramhøft, B., Jul 1982, In : Carlsberg Research Communications. 47, 4, p. 205-214 10 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Polymorphism
Metabolism
Yeast
Magnesium
1980
7 Citations

Changes in calcium and magnesium levels during heat-shock synchronized cell division in Tetrahymena

Walker, G. M. & Zeuthen, E., Jun 1980, In : Experimental Cell Research. 127, 2, p. 487-490 4 p.

Research output: Contribution to journalArticle

Tetrahymena
Cell Division
Magnesium
Shock
Hot Temperature

Correlation of glutamine synthetase activity with cell magnesium concentration during cell division in yeast synchronized by induction

Walker, G. M., Thomson, J. C., Slaughter, C. & Duffus, J. H., 1 Oct 1980, In : Journal of General Microbiology. 120, 2, p. 535-537 3 p.

Research output: Contribution to journalArticle

Glutamate-Ammonia Ligase
Cell Division
Magnesium
Yeasts
Schizosaccharomyces
31 Citations

Magnesium ions and the control of the cell cycle in yeast

Walker, G. M. & Duffus, J. H., 1 Apr 1980, In : Journal of Cell Science. 42, 1, p. 329-356 28 p.

Research output: Contribution to journalArticle

Cell Cycle Checkpoints
Magnesium
Yeasts
Ions
Schizosaccharomyces

Perturbation of enzyme activity in cells of the fission yeast Schizosaccharomyces pombe subjected to continuous-flow centrifugation

Walker, G. M., Thomson, J. C., Slaughter, J. C. & Duffus, J. H., 1 Aug 1980, In : Journal of General Microbiology. 119, 2, p. 543-546 4 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Centrifugation
Glutamate-Ammonia Ligase
Enzymes
Cell Cycle
1979
6 Citations
Schizosaccharomyces pombe
chelating agents
cell division
antibiotics
cations
1978
3 Citations

Synchronization of cell division in the fission yeast Schizosaccharomyces pombe by ethylenediaminetetra-acetic acid

Ahluwalia, B., Duffus, J. H., Paterson, L. J. & Walker, G. M., 1 Jun 1978, In : Journal of General Microbiology. 106, 2, p. 261-264 4 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Edetic Acid
Acetic Acid
Cell Division
Nucleic Acids
1976
5 Citations

Linear system reduction using Schwarz canonical form

Davidson, A. M. & Lucas, T. N., 24 Jun 1976, In : Electronics Letters. 12, 13, p. 324 1 p.

Research output: Contribution to journalArticle

Linear systems
1974
33 Citations

Linear-system reduction by continued-fraction expansion about a general point

Davidson, A. M. & Lucas, T. N., 11 Jul 1974, In : Electronics Letters. 10, 14, p. 271-273 3 p.

Research output: Contribution to journalArticle

Linear systems
Communication systems