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The left side of Cichoń's diagram

Authors: Martin Goldstern, Diego Alejandro Mejía and Saharon Shelah
Journal: Proc. Amer. Math. Soc. 144 (2016), 4025-4042
MSC (2010): Primary 03E17, 03E35, 03E40
Published electronically: April 27, 2016
MathSciNet review: 3513558
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Abstract: Using a finite support iteration of ccc forcings, we construct a model of $ \aleph _1<\mathrm {add}(\mathcal {N})<\mathrm {cov}(\mathcal {N})<\mathfrak{b}< \mathrm {non}(\mathcal {M})<\mathrm {cov}(\mathcal {M})=\mathfrak{c}$.

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Additional Information

Martin Goldstern
Affiliation: Institut für Diskrete Mathematik und Geometrie, Technische Universität Wien, Wiedner Hauptstrasse 8-10/104, 1040 Vienna, Austria

Diego Alejandro Mejía
Affiliation: Institut für Diskrete Mathematik und Geometrie, Technische Universität Wien, Wiedner Hauptstrasse 8-10/104, 1040 Vienna, Austria
Address at time of publication: Department of Mathematics, Shizuoka University, Ohya 836, Shizuoka, 422-8529 Japan

Saharon Shelah
Affiliation: Einstein Institute of Mathematics, Edmond J. Safra Campus, Givat Ram, The hebrew University of Jerusalem, Jerusalem, 91904, Israel — and — Department of Mathematics, Rutgers University, New Brunswick, New Jersey 08854

Keywords: Forcing, eventually different reals, Cicho\'n's diagram, finite support iteration
Received by editor(s): April 19, 2015
Received by editor(s) in revised form: November 17, 2015
Published electronically: April 27, 2016
Additional Notes: This work was partially supported by European Research Council grant 338821. The first and second authors were supported by the Austrian Science Fund (FWF) P24725-N25 (first author), P23875-N13 and I1272-N25 (second author) and they were partially supported by the National Science Foundation under grant DMS-1101597. Publication 1066 on the third author’s list.
Communicated by: Mirna Džamonja
Article copyright: © Copyright 2016 American Mathematical Society

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