On the existence of a $\sigma $-closed dense subset

Jindřich Zapletal

Skip to main content (access key 's'), Skip to navigation (access key 'n'), Accessibility information (access key '0')

Displaying similar documents to “On the existence of a $σ$ -closed dense subset”

On the groupwise density number for filters

Heike Mildenberger (2005)

Acta Universitatis Carolinae. Mathematica et Physica

Similarity:

Destroying precaliber $ℵ_{1}$ : an application of a Δ-systems lemma for closed sets

Juris Steprans, Stephen Watson (1988)

Fundamenta Mathematicae

Similarity:

OCA and towers in $𝒫 (ℕ) / f i n$

Ilijas Farah (1996)

Commentationes Mathematicae Universitatis Carolinae

Similarity:

We shall show that Open Coloring Axiom has different influence on the algebra $𝒫 (ℕ) / f i n$ than on $ℕ^{ℕ} / f i n$ . The tool used to accomplish this is forcing with a Suslin tree.

Displaying similar documents to “On the existence of a σ -closed dense subset”

On the groupwise density number for filters

Destroying precaliber ℵ 1 : an application of a Δ-systems lemma for closed sets

OCA and towers in 𝒫 ( ℕ ) / f i n

Displaying similar documents to “On the existence of a $σ$ -closed dense subset”

Destroying precaliber $ℵ_{1}$ : an application of a Δ-systems lemma for closed sets

OCA and towers in $𝒫 (ℕ) / f i n$