Cardinal characteristics of the continuum

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Cardinal Characteristics and the Product of Countably Many Infinite Cyclic Groups

Journal of Algebra, 1994
We study, from a set-theoretic point of view, those subgroups of the infinite direct product [aleph]0 for which all homomorphisms to annihilate all but finitely many of the standard unit vectors.
Blass A. ,, Blass, A.
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A Galvin–Hajnal theorem for generalized cardinal characteristics

European Journal of Mathematics, 2023
Chris Lambie-Hanson
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Cardinal invariants of the continuum and combinatorics on uncountable cardinals

Annals of Pure and Applied Logic, 2006
Jörg Brendle
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Andreas Blass. Simple cardinal characteristics of the continuum. Set theory of the reals, edited by Haim Judah, Israel mathematical conference proceedings, vol. 6, Gelbart Research Institute for Mathematical Sciences, Bar-Ilan University, Ramat-Gan 1993, distributed by the American Mathematical Society, Providence, pp. 63–90.

Bulletin of Symbolic Logic, 2002
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Cardinal invariants above the continuum

Annals of Pure and Applied Logic, 1995
James Cummings, Saharon Shelah
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Questions on cardinal invariants of Boolean algebras