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About me

If you don't want to read everything here and just want to know something specific, you can always ask me.

Still here? Then I guess I'll carry on. I'm currently Reader in Computer Security at Liverpool John Moores University in the School of Computing and Mathematical Sciences. I'm now working on various projects relating to security, secure component composition, networks and ubiquitous computing, amongst others.

For more information about this, take a look at the Network and Information Security Technology Lab site or my research pages.

Before moving to Liverpool I worked for Codemasters programming computer games. I helped in the production of Race Driver, a fantastic touring-cars-racing type game.

DavidI worked at Codemasters for about a year and a half. Before that I was doing a PhD at the University of Birmingham, researching under Richard Kaye. The subject of my thesis involved a particular area of mathematics called model theory. I studied a mathematical structure known as Presburger arithmetic (or Z-Groups as they are also called), which is effectively the 'addition' part of arithmetic. Although all of the models which I looked at contain the integers, they will also often have extra 'infinite' elements larger than any of the integers but which behave in similar ways. I looked especially at automorphisms of the models, which constitute mappings which go from a model to itself; in other words they rearrange the elements of the model whilst still preserving its essential properties.

You can read a brief description of the subject, where you can also download an electronic copy of my thesis. Please also feel free to e-mail me if you are interested in this subject or would like more information.

Apart from mathematics there are a number of other activities which I enjoy, including programming and art. For computer related things have a look at my computer pages. For a lot of the programs I like to combine the two interests, so many of the things you'll find there are connected in some way to computer graphics.

I also like to spend time delving into various areas of philosophy, although I prefer to concentrate less on the historical aspects and more on the ideas involved. As yet there isn't really anything on this site related to the topic, but there might be one day.

JoannaFinally, but certainly not least, the love of my life is my beautiful wife Joanna. We got married at in the year 2000 and you can see how lovely she is in the photo on the left.

Joanna and I both live in Liverpool, and exciting and historic city. Liverpool is going to be European City of Culture in 2008. Hopefully I'll still be here then to enjoy it! If you're interested, take a look at some recent photographs of Liverpool at night.

We recently moved from a flat in Pall Mall to a new flat nearby that's been converted from the old Tobacco Wharf building.

The picture above right, was taken in Florence.

I think I've rambled enough. If you want to know more about me you'd best get in contact or AMA.

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