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Control states and complete agent architectures (2001)
Journal Article
Davis, D. N. (2001). Control states and complete agent architectures. Computational Intelligence, 17(4), (621-650). doi:10.1111/0824-7935.00167. ISSN 0824-7935

This paper presents a developing concept of mind defined in terms of external and internal niches. This perspective on mind is described primarily in terms of the niche space of control states and the design space of processes that may support such p... Read More

Monte Carlo simulation scheme for dendrimers satisfying detailed balance (2001)
Journal Article
Wallace, E. J., Buzza, D. M., & Read, D. J. (2001). Monte Carlo simulation scheme for dendrimers satisfying detailed balance. Macromolecules, 34(20), 7140-7146. doi:10.1021/ma0104130

A lattice Monte Carlo scheme for simulating dendrimers that is widely referenced in the literature is that of Mansfield and Klushin (Macromolecules 1993, 26, 4262). However, we show that this scheme does not obey a detailed balance and propose a modi... Read More

An investigation of the genetic variation in four fucales species using cellulose acetate electrophoresis (2001)
Journal Article
Johnson, L. J., Scott, G. W., & Hull, S. L. (2001). An investigation of the genetic variation in four fucales species using cellulose acetate electrophoresis. Botanica Marina, 44(2), 119 - 123. doi:10.1515/bot.2001.016

A cellulose acetate electrophoresis method was used to examine allozyme variation both within and between three members of the genus Fucus: F. spiralis, F. vesiculosus and F. serratus and Ascophyllum nodosum. Samples of algae were collected from two... Read More

Linear melt rheology and small-angle X-ray scattering of AB diblocks vs A2B2 four arm star block copolymers (2000)
Journal Article
Buzza, D. M. A., Fzea, A. H., Allgaier, J. B., Young, R. N., Hawkins, R. J., Hamley, I. W., …Lodge, T. P. (2000). Linear melt rheology and small-angle X-ray scattering of AB diblocks vs A2B2 four arm star block copolymers. Macromolecules, 33(22), 8399-8414. doi:10.1021/ma000382t

The frequency dependent viscoelastic properties and lamellar spacing of three symmetric styrene−isoprene (PS−PI) diblock copolymers are compared to those of their hetero-four-arm star counterparts. The PS and PI arm molecular weights of the three lin... Read More

Actuation and transduction by giant magnetostrictive alloys (2000)
Journal Article
Jenner, A. G., Smith, R. J. E., Wilkinson, A. J., & Greenough, R. D. (2000). Actuation and transduction by giant magnetostrictive alloys. Mechatronics, 10(4-5), (457-466). doi:10.1016/S0957-4158(99)00065-3. ISSN 0957-4158

Since the discovery and understanding of the magnetic properties of the rare earth elements, the transduction properties of magnetostrictive alloys has improved significantly over earlier nickel based alloys. Alongside the advances in permanent magne... Read More

Electroluminescence from individual InAs self-assembled quantum dots (2000)
Journal Article
Itskevich, I., Stoddart, S., Rybchenko, S., Tartakovskii, I., Eaves, L., Parnell, S., …Henini, M. (2000). Electroluminescence from individual InAs self-assembled quantum dots. Physica status solidi. A, Applied research, 178(1), 307-311. doi:10.1002/1521-396X(200003)178:13.0.CO;2-Y

Emission lines from individual InAs self-assembled quantum dots (SAQD) have been observed in electroluminescence spectra from small-area p-i-n light-emitting-diode heterostructure devices containing an embedded layer of SAQD. In the energy range whic... Read More

The effect of wall cooling on compressible Görtler vortices (2000)
Journal Article
Elliott, J. W., & Bassom, A. P. (2000). The effect of wall cooling on compressible Görtler vortices. European Journal of Mechanics - B/Fluids, 19(1), (37-68). doi:10.1016/S0997-7546(00)00106-0. ISSN 0997-7546

It is known that in adiabatic boundary layer flow over a curved surface the detailed structure of the spanwise periodic Gortler vortex instability varies markedly over the range of spanwise wavelength. At short wavelengths the modes tend to be concen... Read More

Numerical computation and analysis of the Titchmarsh-Weyl mα(λ)  function for some simple potentials (1999)
Journal Article
Witwit, M. R. M., Gordon, N. A., & Killingbeck, J. (1999). Numerical computation and analysis of the Titchmarsh-Weyl mα(λ)  function for some simple potentials. Journal of Computational and Applied Mathematics, 106(1), 131-143. https://doi.org/10.1016/S0377-0427%2899%2900061-8

This article is concerned with the Titchmarsh-Weyl mα(λ) function for the differential equation d2y/dx2+[-q(x)]y=0. The test potential q(x)=x2, for which the relevant mα(λ) functions are meromorphic, having simple poles at the points =4k+1 and =4k+3,... Read More

Calculating energy levels of a double-well potential in a two- dimensional system by expanding the potential function around its minimum (1997)
Journal Article
Witwit, M. R. M., & Gordon, N. A. (1997). Calculating energy levels of a double-well potential in a two- dimensional system by expanding the potential function around its minimum. Canadian Journal of Physics, 75(10), 705-714. https://doi.org/10.1139/p97-023

A determination of the eigenvalues for a three-dimensional system is made by expanding the potential functionV(x,y,z;Z2, λ,β)= ?Z2[x2+y2+z2]+λ {x4+y4+z4+2β[x2y2+x2z2+y2z2]}, around its minimum. In this paper the results of ext... Read More

Stable forward shooting for eigenvalues and expectation values (1995)
Journal Article
Killingbeck, J. P., Gordon, N. A., & Witwit, M. R. M. (1995). Stable forward shooting for eigenvalues and expectation values. Physics Letters A, 206(5-6), 279-282. https://doi.org/10.1016/0375-9601%2895%2900632-d

Internal differentiation techniques are used to produce a simple but highly accurate forwardsshootingmethod foreigenvaluesandexpectationvaluesof the Schrödinger equation. A multi-well potential is used as a test case.

The lines of PG(4, 2) are the points on a quintic in PG(9,2) (1994)
Journal Article
Shaw, R., & Gordon, N. A. (1994). The lines of PG(4, 2) are the points on a quintic in PG(9,2). Journal of Combinatorial Theory, Series A, 68(1), 226-231. https://doi.org/10.1016/0097-3165%2894%2990102-3

Let V denote a 5-dimensional vector space over a field, and let (bij) denote the 10 independent components of a bivectorb?Λ2Vrelative to a choice of product basis {eiΛej: 1 ≤i<j≤ 5} forΛ2V. It is well known thatb(≠ 0)... Read More

Separation of chromium ions through supported liquid membranes and membrane reactors (1994)
Journal Article
Scott, K., & Ibhadon, A. (1994). Separation of chromium ions through supported liquid membranes and membrane reactors. Developments in chemical engineering and mineral processing, 2(4), 195-201. doi:10.1002/apj.5500020402

The use of supported liquid membranes (SLM) for the selective separation of chromium ions from aqueous solutions is described. Flat‐sheet microporous polypropylene membranes loaded with Aliquat 336 in o‐xylene are used. The use of liquid membranes in... Read More

Cartographic Algorithms: Problems of Implementation and Evaluation and the Impact of Digitising Errors (1991)
Journal Article
Whyatt, J. D., & Visvalingam, M. (1991). Cartographic Algorithms: Problems of Implementation and Evaluation and the Impact of Digitising Errors. Computer graphics forum : journal of the European Association for Computer Graphics, 10(3), 225-235. https://doi.org/10.1111/1467-8659.1030225

Cartographic generalisation remains one of the outstanding challenges in digital cartography and Geographical Information Systems (GIS). It is generally assumed that computerisation will lead to the removal of spurious variability introduced by the s... Read More