Scientists have discovered a way to create black holes without the mysterious singularities where physics breaks down. By ...

Earlier this month the Mathematics Institute at Uppsala University hosted a conference called Categorification in Algebra and Topology, clearly a theme close to our collective heart. As yet there are ...

Departments of Mathematics, University of York, York YO10 5DD, U.K. Departments of Mathematics, University of York, York YO10 5DD, U.K. Department of Biology ...