Tuesdays 3rd, 10th and 24th October Anthony Morphett (Leeds) An Introduction to Kolmogorov Complexity and Randomness Slides of Part 1: , Part 2: and Part 3:

Tuesdays 14th and 21st November Mariya Soskova (Leeds) Introducing a New Characterisation of the Lown Hierarchy Slides of Part 1: , Part 2: - and background paper by Kenneth Harris:

All seminars 4pm in Emmanuel Centre Seminar Room 1 (entrance to Emmanuel Centre next to University Main Entrance).

Preliminary announcement - GRADUATE COURSE Tuesdays 23rd January - 13th March, 2007 George Barmpalias (Leeds) Measure, Computability and Randomness

In Emmanuel Centre Seminar Room 1, 4pm

Preliminary announcement - COMPUTABILITY SEMINAR Mondays 5th - 19th February, 2007 Angsheng Li (Chinese Academy of Sciences, Beijing) Priority Arguments I, II and III

In Emmanuel Centre Seminar Room 3, 4pm

Some past computability seminars.

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