Dear all, We are pleased to announce that Computable90, a conference in honor of the 90th anniversary of Alan Turing's article "On Computable Numbers, with an Application to the Entscheidungsproblem," will take place 16-18 September 2026 at Bletchley Park. The Computable90 website is https://www.tnmoc.org/computable90-conference The Computable90 conference is the flagship launch for the Computable90 program of events, exhibitions, talks, challenges, workshops and more presented by The National Museum of Computing. See https://www.tnmoc.org/computable90 for more information. The Computable90 conference consists of: * A public lecture, "Reading Alan Turing," by Prof Avi Wigderson (Abel Prize and ACM Turing Award winner), on the evening of Thursday 17 September * Plenary lectures * Panel sessions on Turing's mathematical impact and on his historical impact * A poster session * Admission to Bletchley Park and The National Museum of Computing Confirmed speakers include: * Prof VerĂ³nica Becher (Universidad de Buenos Aires) * Prof Rod Downey (Victoria University of Wellington) * Prof Juliet Floyd (Boston University) * Prof Julia Knight (University of Notre Dame) * Prof Michael Rathjen (University of Leeds) * Prof Avi Wigderson (Institute for Advanced Study, Princeton) The full program, including speakers' abstracts, is available on the conference website. Key dates and deadlines: * 31 July 2026: Early bird registration deadline * 16-18 September 2026: Computable90 conference Registration links: * Conference: https://www.eventbrite.com/e/1837259555789 * Public lecture: https://www.eventbrite.com/e/1987092132058 Proximate event: Computable90 is proximate to the conference Computability, Complexity, and Randomness 2026, which will be held 7-11 September 2026 at the University of Leeds. The CCR 2026 website is https://www.computability.org/ccr2026/ Computable90 is supported by the London Mathematical Society, the Bletchley Park Trust, The National Museum of Computing, and the Heilbronn Institute for Mathematical Research. With best wishes, John Lapinskas on behalf of the Computable90 organizers ********************************************************** * * Contributions to be spread via DMANET are submitted to * * DMANET@zpr.uni-koeln.de * * Replies to a message carried on DMANET should NOT be * addressed to DMANET but to the original sender. The * original sender, however, is invited to prepare an * update of the replies received and to communicate it * via DMANET. * * DISCRETE MATHEMATICS AND ALGORITHMS NETWORK (DMANET) * http://www.zaik.uni-koeln.de/AFS/publications/dmanet/ * **********************************************************