TY - CHAP AU - Cobos Díaz, Fernando AU - Resina, Ivam A4 - Martín Peinador, Elena A4 - Rodés, A. PY - 1989 SN - 9780521367523 UR - https://hdl.handle.net/20.500.14352/60759 AB - The authors prove a representation theorem in terms of finite rank operators for operators´T on Banach spaces which satisfy sup n2N (log n) an(T) < 1, 0 < < 1.Here an(T) denote the approximation numbers. The theorem is in formal analogy to the... M2 - 133 PB - Cambridge University Press KW - Espacios de Banach TI - On some operator ideals defined by approximation numbers TY - book part ER -