TY - GEN AU - Ortus Escudier, Francisco AU - Pardo Espino, Enrique A4 - Matemáticas PY - 2003 SN - 0092-7872 UR - http://hdl.handle.net/10498/16093 AB - We show that the representation of the monoid of intervals of a simple refinement monoid in terms of affine semicontinuous functions, given by Perera in 2001, fails to be faithful in the case of strictly perforated monoids. We give some potential... LA - eng TI - Monoids of intervals of simple refinement monoids and non-stable K-Theory of multiplier algebras DO - 10.1081/agb-120023145 ER -