1. 1986
  2. Published

    Adjacency Matrices

    Walter, C. D., 1986, In : SIAM Journal on Algebraic and Discrete Methods. 7, p. 18-29 12 p.

    Research output: Contribution to journalArticle

  3. 1985
  4. Published

    A classification of time element speech scramblers

    Mitchell, C. J. & Piper, F. C., Nov 1985, In : Journal of the Institution of Electronic and Radio Engineers. 55, 11/12, p. 391-396 6 p.

    Research output: Contribution to journalArticle

  5. 1984
  6. Published

    A comparison of the cryptographic requirements for digital secure speech systems operating at different bit rates

    Mitchell, C. J., 1984, International conference on Secure Communication Systems, IEE, London, 22-23rd February 1984. IEE Press, p. 32-37 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  7. Published

    Group divisible designs with dual properties

    Mitchell, C. J., 1984, In : Mitteilungen aus dem Mathematischen Seminar Giessen. 165, p. 105-117 13 p.

    Research output: Contribution to journalArticle

  8. 1983
  9. Published

    Intersection numbers for coherent configurations and the spectrum of a graph

    Walter, C. D., 1983, In : Journal of Combinatorial Theory, Series B. 35, 2, p. 201-204 4 p.

    Research output: Contribution to journalArticle

  10. 1982
  11. Published

    Tactical decompositions of designs

    Beker, H. J., Mitchell, C. J. & Piper, F. C., 1982, In : Aequationes Mathematicae. 25, p. 123-152 30 p.

    Research output: Contribution to journalArticle

  12. 1980
  13. Published

    Pure fields of degree 9 with class number prime to 3

    Walter, C. D., 1980, In : Annales de l'Institut Fourier, Grenoble. 30, p. 1-16 16 p.

    Research output: Contribution to journalArticle

  14. 1979
  15. Published

    An infinite family of symmetric designs

    Mitchell, C. J., 1979, In : Discrete Mathematics. 26, p. 247-250 4 p.

    Research output: Contribution to journalArticle

  16. Published

    Brauer's class number relation

    Walter, C. D., 1979, In : Acta Arithmetica. 35, p. 33-40 8 p.

    Research output: Contribution to journalArticle

  17. Published

    Kuroda's class number relation

    Walter, C. D., 1979, In : Acta Arithmetica. 35, p. 41-51 11 p.

    Research output: Contribution to journalArticle