JournalsprimsVol. 50, No. 4Volume 50, No. 4 (2014) Publications of the Research Institute for Mathematical Sciencespp. 589–661Variations of Mixed Hodge Structure and Semipositivity TheoremsOsamu FujinoTaro Fujisawapp. 663–694Non-symmetrizable Quantum Groups: Defining Ideals and SpecializationXin Fangpp. 695–721Normalizers inside Amalgamated Free Product von Neumann AlgebrasStefaan Vaes