Covering a bounded set of functions by an increasing chain of slaloms

Kada, Masaru

doi:10.1016/j.topol.2006.04.008

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A Partial Characterization Of Od1

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2007

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“…Kada has pointed out to us that in the Cohen model, θ * = c + for all f . This is proved in [6], where he also gives an elegant extension of Theorem 5.7.…”

Section: A Partial Characterization Of Odmentioning

confidence: 90%

The combinatorics of τ-covers

Mildenberger

Shelah

Tsaban

2007

Topology and its Applications

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We solve four out of the six open problems concerning critical cardinalities of topological diagonalization properties involving τ -covers, show that the remaining two cardinals are equal, and give a consistency result concerning this remaining cardinal. Consequently, 21 open problems concerning potential implications between these properties are settled. We also give structural results based on the combinatorial techniques.1991 Mathematics Subject Classification. 03E05, 54D20, 54D80.

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“…Kada has pointed out to us that in the Cohen model, θ * = c + for all f . This is proved in [6], where he also gives an elegant extension of Theorem 5.7.…”

Section: A Partial Characterization Of Odmentioning

confidence: 90%