TY - JOUR AU - Gámez Merino, José Luis AU - Seoane Sepúlveda, Juan Benigno PY - 2013 DO - 10.1016/j.jmaa.2012.10.067 SN - 0022-247X UR - https://hdl.handle.net/20.500.14352/33279 T2 - Journal of Mathematical Analysis and Applications AB - Recently, it has been proved that, assuming that there is an almost disjoint family of cardinality 2(c) in c (which is assured, for instance, by either Martin's Axiom, or the Continuum Hypothesis, or even 2(