Can groupwise density be much bigger than the non-dominating number?

Shelah, Saharon

Can groupwise density be much bigger than the non-dominating number?

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We prove that g (the groupwise density number) is smaller or equal to b^+ (the successor of the minimal cardinality of a non-dominated subset of omega^omega).

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Logic

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http://salesiana.dossiersoluciones.com/handle/123456789/136083

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0612353
http://arxiv.org/abs/math/0612353
MLQ Math. Log. Q. 54 No. 4 (2008) 340--344

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Can groupwise density be much bigger than the non-dominating number?

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Consulte el texto completo en el siguiente enlace:

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