Irish Mathematical Society

Cumann Matamaitice na hÉireann

BULLETIN Number 41 Christmas 1998

ISSN 0791-5578

Contents

• IMS Officers and Local Representatives ......... ii
• Notes on Applying for IMS Membership .......... iii
• Minutes of IMS meeting, 9 April 1998 ............... 1
• The IMS September Meeting 1998
  ............... G. P. Shannon, C. T. Stretch ................ 3

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• Competitions
• The International Mathematical Olympiad 1998
  .................................... Fergus Gaines ....... 7
• Experiences from a Weekend Spent Modelling
  .......... Kevin Jennings, Maria Meehan,
  .................................... Richard Murphy ... 15

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• Articles
• Generalized Ultrametrics, Domains and an Application
  to Computational Logic
  ............. Anthony Karel Seda, Pascal Hitzler ... 31
• Representation Theorems for some Classes of Operators on
  C* -algebras ................. Martin Mathieu ... 44

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• Historical
• DIAS Mathematical Symposium:
  Forty Years Old .................... J. N. Flavin .... 26

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• Survey
• Genetic Algorithms: A Survey of some
  Mathematical Models - Part I ... Thomas Unger ... 57

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• Solutions
• Outline Solutions of the Problems for the 39th IMO ... 72