The mathematical research in Uppsala has traditionally been dominated by analysis. You may have heard of Lennart Carleson who was awarded the Abel Prize or Arne Beurling who cracked the cipher machine Geheimschreiber during World War II. They were both very prominent in harmonic analysis. But during the 1990s, an internationalisation of the mathematical research in Uppsala took place and it has grown since, both in terms of the number of researchers and research areas. Some areas that are particularly distinguished today are probability theory, symplectic geometry, analytic number theory, dynamical systems and algebra.