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- W2949630952 abstract "Let P be the direct product of countably many copies of the additive group Z of integers. We study, from a set-theoretic point of view, those subgroups of P for which all homomorphisms to Z annihilate all but finitely many of the standard unit vectors. Specifically, we relate the smallest possible size of such a subgroup to several of the standard cardinal characteristics of the continuum. We also study some related properties and cardinals, both group-theoretic and set-theoretic. One of the set-theoretic properties and the associated cardinal are combinatorially natural, independently of any connection with algebra." @default.
- W2949630952 created "2019-06-27" @default.
- W2949630952 creator A5043571692 @default.
- W2949630952 date "1992-09-08" @default.
- W2949630952 modified "2023-09-27" @default.
- W2949630952 title "Cardinal Characteristics and the Product of Countably Many Infinite Cyclic Groups" @default.
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