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Universal graphs at $aleph_{omega_1+1}$ | | Jacob Davis
; | | Date: |
2 May 2016 | | Abstract: | Starting from a supercompact cardinal we build a model in which
$2^{aleph_{omega_1}}=2^{aleph_{omega_1+1}}=aleph_{omega_1+3}$ but there
is a jointly universal family of size $aleph_{omega_1+2}$ of graphs on
$aleph_{omega_1+1}$. The same technique will work for any uncountable
cardinal in place of $omega_1$. | | Source: | arXiv, 1605.0605 | | Services: | Forum | Review | PDF | Favorites | |
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