Dr Dave COULSON
Fellow (Associate)
School of Mathematics and Statistics
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Publications, Grants and Awards
You can find all publications, grants and awards on their Find an Expert page.
Extra Information
We say that we have a chromatic colouring of n-space if we assign each point of n-space to a set and there is some distance d (an excluded distance) so that no two points in the same set are distance d apart. The minimum number of sets needed is known as the chromatic number of n-space. At the moment it is known only that the chromatic number of two space lies between 4 and 7 (inclusive) and that the chromatic number of three space lies between 5 and 15 (inclusive). A polychromatic colouring of n-space is similar to a chromatic colouring of n-space but we allow each set to have an excluded distance that is different from another set (rather than a common one d). There are polychromatic colourings of 2-space with 6 sets bettering the most efficient known chromatic colouring with 7 sets. It is not known whether 3-space admits a polychromatic colouring with less than 15 sets (the number of sets in the most efficient chromatic colouring of 3-space uses 15 sets).
Past Postgraduate Supervision
Name | Thesis title |
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Ashish GUPTA | "Irreducible representations of some classes of quantum laurent polynomials" |
Past Honours & MSc Students
Name | Project title |
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Benjamin FLEMING | "Quantizing properties of the 12-16 partition of 3-space" |
Candice RABUSA |