- FCT, the International Symposia on Fundamentals of Computation Theory was established in 1977 as a forum for researchers interested in all aspects of theoretical computer science, and in particular algorithms, complexity, formal and logical methods. It is a biennial series of conferences previously held in Poznan (Poland, 1977), Wendisch-Rietz (Germany, 1979), Szeged (Hungary, 1981), Borgholm (Sweden, 1983), Cottbus (Germany, 1985), Kazan (Russia, 1987), Szeged (Hungary, 1989), Gosen-Berlin (Germany, 1991), Szeged (Hungary, 1993), Dresden (Germany, 1995), Krakow (Poland, 1997), Iasi (Romania, 1999), Riga (Latvia, 2001), Malmö (Sweden, 2003), Lübeck (Germany, 2005), Budapest (Hungary, 2007), Wroclaw (Poland, 2009), Oslo (Norway, 2011), Liverpool (United Kingdom, 2013), Gdansk (Poland, 2015), Bordeaux (France, 2017), and Copenhagen (Denmark, 2019).