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About Dr Charles Simpson

In 1991 he obtained a Postgraduate Diploma in Microelectronics and Computer Technology from Birmingham Polytechnic. He has been associated with the University of Chester since 1995 where he obtained an MSc in Mathematics in 1996 and a PhD in Mathematics in 2001. He joined the Department of Mathematics as a Research Assistant in 2004.


  • Member of the London Mathematical Society


At Chester, Charles has taught computer courses on MATLAB, and LaTeX, a computerized typesetting system. Currently he is involved in teaching basic statistics, finite mathematics and mathematical modelling.


In 2003 he also obtained an MSc in Industrial Biotechnology from LJMU where he did some research in to the thermophilic digestion of activated sludge.

His research interests include fractional calculus and the development of computer programs.

Published Work

  • (with NJ Ford) The numerical solution of fractional differential equations: speed versus accuracy, Numerical Algorithms, 26 4 (2001) 333-346.
  • (with NJ Ford) Numerical approaches to the solution of some fractional differential equations, Proceedings of the fifth Hellenic-European Conference on Computer Mathematics and its applications (E A Lipitakis, Ed), 1, (2002) 93-100.
  • (with JT Edwards and NJ Ford) The Numerical Solution of Linear Multi-term Fractional Differential Equations: Systems of Equations, Journal of Computational and Applied Mathematics 148 (2002) 401-418.