Shimon Garti

dblp:76/5705 · DBLP profile ↗
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3ranked-venue papers
2as first author
1since 2021 · last 2021
0000-0002-4566-9440ORCID · verified

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Theory of computation · 3 · 2 first-author · 1 since 2021
YearPublicationVenuePosition
2021 Stationary and closed rainbow subsets
Shimon Garti
Ann. Pure Appl. Log.1
2020 On Configurations Concerning cardinal characteristics at Regular Cardinals
abstract
Abstract We study the consistency and consistency strength of various configurations concerning the cardinal characteristics $\mathfrak {s}_\theta , \mathfrak {p}_\theta , \mathfrak {t}_\theta , \mathfrak {g}_\theta , \mathfrak {r}_\theta $ at uncountable regular cardinals $\theta $ . Motivated by a theorem of Raghavan–Shelah who proved that $\mathfrak {s}_\theta \leq \mathfrak {b}_\theta $ , we explore in the first part of the paper the consistency of inequalities comparing $\mathfrak {s}_\theta $ with $\mathfrak {p}_\theta $ and $\mathfrak {g}_\theta $ . In the second part of the paper we study variations of the extender-based Radin forcing to establish several consistency results concerning $\mathfrak {r}_\theta ,\mathfrak {s}_\theta $ from hyper-measurability assumptions, results which were previously known to be consistent only from supercompactness assumptions. In doing so, we answer questions from [1], [15] and [7], and improve the large cardinal strength assumptions for results from [10] and [3].
Omer Ben-Neria, Shimon Garti
J. Symb. Log.2
2012 A strong polarized relation
abstract
Abstract We prove that the strong polarized relation is consistent with ZFC, for a singularμwhich is a limit of measurable cardinals.
Shimon Garti, Saharon Shelah
J. Symb. Log.1