%0 Journal Article %T Wiener-Hopf operators on spaces of functions on R+ with values in a Hilbert space %A Violeta Petkova %J Mathematics %D 2006 %I arXiv %X A Wiener-Hopf operator on a Banach space of functions on R+ is a bounded operator T such that P^+S_{-a}TS_a=T, for every positive a, where S_a is the operator of translation by a. We obtain a representation theorem for the Wiener-Hopf operators on a large class of functions on R+ with values in a separable Hilbert space. %U http://arxiv.org/abs/math/0612359v1