TY - JOUR AU - Mera Rivas, María Eugenia AU - Morán Cabré, Manuel PY - 2000 SN - 0147-1937 UR - https://hdl.handle.net/20.500.14352/60448 T2 - Real Analysis Exchange AB - In this paper we introduce two definitions of upper porosity of a measure which range from 0 to (1/2) and from 0 to 1 respectively, and prove that actually the first porosity only can take the extreme values 0 or (1/2), and the second one takes either... LA - eng M2 - 101 PB - Michigan State University Press KW - Doubling condition KW - Porosity of Stes KW - Porosity of Measures KW - Tangent measures. TI - Attainable values for upper porosities of measures TY - journal article VL - 26 ER -