BCS-FACS Evening Seminar -- Joint event with the London Mathematical Society "The Equations of Computer Science" Professor John Tucker (Swansea University) 11th November 2008 17.45 (Refreshments will be served from 17.30) London Mathematical Society De Morgan House 57-58 Russell Square London WC1B 4HS United Kingdom The seminar is free of charge and open to everyone. If you would like to attend, please email Paul Boca [[log in to unmask]] by ***** 7th November 2008 ***** Abstract Throughout science and engineering our knowledge of the world is most elegantly and usefully expressed in equations. Most fields have equations they use all the time and are treasured for the profound insights they reveal through their study. Several equations are truly famous, especially those of physics. But what are the equations of Computer Science? This lecture will examine the role of equations in specifying data, software and hardware. I will show how skills in equation formation have transformed our capacity to analyse computing systems of all kinds. I will explain the historical context and development of these ideas in algebra, logic, and computability theory and how they were transformed to solve practical questions of programming. Finally, I will discuss how these conceptual insights and methods are finding new applications in the foundations of physics.