A hodgepodge of sets of reals


Abstract


We open up a grab bag of miscellaneous results and remarks about sets of reals.Results concern: Kysiak and Laver-null sets, Kočinac and γk-sets, Fleissner and square Q-sets,Alikhani-Koopaei and minimal Q-like-sets, Rubin and σ-sets, and Zapletal and the Souslin number. See the survey papers Brown, Cox [1], and Miller [17, 19].

DOI Code: 10.1285/i15900932v27supn1p25

Keywords: γ-set; σ-sets; Laver forcing; Q-sets; Universal Gδ-sets; Retractive boolean algebras; Souslin numbers; Borel hierarchies; Meager ideal

Classification: 03E17; 54D20; 03E50

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