TY - JOUR AU - Cobos Díaz, Fernando AU - Kühn, Thomas AU - Peetre, Jaak PY - 2000 SN - 0039-3223 UR - https://hdl.handle.net/20.500.14352/57309 T2 - Studia Mathematica AB - We characterize all the extreme points of the unit ball in the space of trilinear forms on the Hilbert space C-2. This answers a question posed by R. Grzaslewicz and K. John [7], who solved the corresponding problem for the real Hilbert space R-2. As... LA - eng M2 - 81 PB - Polish Acad Sciencies Inst Mathematics KW - Trilinear form KW - Norm KW - Hilbert-Schmidt norm KW - Extreme point KW - Extreme point of unit ball TI - Extreme points of the complex binary trilinear ball TY - journal article VL - 138 ER -