On a Class of M.A.D. Families

Journal of Symbolic Logic 64 (2):737-746 (1999)

Yi Zhang
Humboldt-University, Berlin
We compare several closely related continuum invariants, i.e., $\mathfrak{a}$, $\mathfrak{a}_\mathfrak{e}$, $\mathfrak{a}_\mathfrak{p}$ in two forcing models. And we shall ask some open questions in this field.
Keywords Forcing   M.A.D. Families
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DOI http://projecteuclid.org/euclid.jsl/1183745805
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Cardinal Invariants Related to Permutation Groups.Bart Kastermans & Yi Zhang - 2006 - Annals of Pure and Applied Logic 143 (1):139-146.

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