TY - JOUR AU - Grecu, B.C. AU - Muñoz-Fernández, Gustavo A. AU - Seoane-Sepúlveda, Juan B. PY - 2009 DO - 10.1007/s00209-008-0438-y SN - 0025-5874 UR - https://hdl.handle.net/20.500.14352/50167 T2 - Mathematische Zeitschrift AB - Let H be a two-dimensional complex Hilbert space and P(H-3) the space of 3-homogeneous polynomials on H. We give a characterization of the extreme points of its unit ball, B-P(3H), from which we deduce that the unit sphere of P(H-3) is the disjoint... LA - eng M2 - 775 PB - Springer KW - Unconditional constant KW - Polynomial inequalities KW - Trinomials KW - Homogeneous polynomials KW - Extreme points TI - The unit ball of the complex P(H-3) TY - journal article VL - 263 ER -