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The almost-disjointness number may have countable cofinality |
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| Authors: | Jö rg Brendle |
| Affiliation: | The Graduate School of Science and Technology, Kobe University, Rokko--dai 1--1, Nada--ku, Kobe 657--8501, Japan |
| Abstract: | We show that it is consistent for the almost-disjointness number  to have countable cofinality. For example, it may be equal to  . |
| Keywords: | Maximal almost-disjoint families almost-disjointness number iterated forcing. |
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