The 40th ARTIN (Algebra and Representation Theory in the North) meeting will take place at the University of Sheffield May 9-10. Any algebraically-inclined category theorists in the area are welcome to join us. The schedule of the conference is as follows. Friday: 14:30-15:30 James Griffin (Glasgow): Moduli spaces of labelled graphs. 16:00-17:00 Behrang Noohi (Queen Mary, Univ. of London): Lie theory for 2-groups. Saturday: 9:00-10:00 John Huerta (Lisbon): Trigroups and M-theory. 10:30-11:30 Dmitry Roytenberg (MPIM-Bonn): Equivalence of models of "up to homotopy" algebras of differentiable functions. 11:45-12:45 Jacob Rasmussen (Cambridge): Torus knots and the rational DAHA. All talks will be in LT-3, and there will be a dinner on Friday night. The conference website is http://hodge.maths.ed.ac.uk/tiki/ARTIN-40 if you would like more information, and if you intend to join us please let me know (nick.gurski@sheffield.ac.uk). Nick Gurski [For admin and other information see: http://www.mta.ca/~cat-dist/ ]