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Random gaps under CH

Author(s): James Hirschorn
Journal: Trans. Amer. Math. Soc. 356 (2004), 1281-1290.
MSC (2000): Primary 03E05; Secondary 03E40, 03E50, 28E15
Posted: November 25, 2003
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Abstract | References | Similar articles | Additional information

Abstract: It is proved that if the Continuum Hypothesis is true, then one random real always produces a destructible $(\omega_1,\omega_1)$ gap.


References:

[AT97]
Uri Abraham and Stevo Todorcevic, Partition properties of $\omega_1$ compatible with CH, Fund. Math. 152 (1997), no. 2, 165-181. MR 98b:03064

[Dow95]
Alan Dow, More set-theory for topologists, Topology Appl. 64 (1995), no. 3, 243-300. MR 97a:54005

[Hau36]
Felix Hausdorff, Summen $\aleph_1$ von Mengen, Fund. Math. 26 (1936), 241-255.

[Hir00a]
James Hirschorn, Random trees under CH, preprint, 2000.

[Hir00b]
James Hirschorn, Towers of measurable functions, Fund. Math. 164 (2000), no. 2, 165-192. MR 2002i:03056

[Hir01]
James Hirschorn, Summable gaps, Ann. Pure Appl. Logic 120 (2003), no. 1-3, 1-63.

[Hir03]
James Hirschorn, Random gaps, preprint, October 2003.

[Jec97]
Thomas Jech, Set theory, second ed., Springer-Verlag, Berlin, 1997. MR 99b:03061

[Kan94]
Akihiro Kanamori, The higher infinite. Large cardinals in the set theory from their beginnings, Springer-Verlag, Berlin, 1994. MR 96k:03125

[Kun76a]
Kenneth Kunen, $(\kappa,\lambda^*)$ gaps under MA, handwritten note, August 1976.

[Kun76b]
-, Some points in $\beta N$, Math. Proc. Cambridge Philos. Soc. 80 (1976), no. 3, 385-398. MR 55:106

[Lav79]
Richard Laver, Linear orders in $(\omega)^\omega$under eventual dominance, Logic Colloquium '78 (Mons, 1978), North-Holland, Amsterdam, 1979, pp. 299-302. MR 81e:03051

[Sch93]
Marion Scheepers, Gaps in $\omega^\omega$, Set theory of the reals (Ramat Gan, 1991), Bar-Ilan Univ., Ramat Gan, 1993, pp. 439-561. MR 95a:03061

[Sol71]
Robert M. Solovay, Real-valued measurable cardinals, Axiomatic set theory (Proc. Sympos. Pure Math., Vol. XIII, Part I, Univ. California, Los Angeles, Calif., 1967), Amer. Math. Soc., Providence, R.I., 1971, pp. 397-428. MR 45:55

[TF95]
Stevo Todorcevic and Ilijas Farah, Some applications of the method of forcing, Yenisei, Moscow, 1995. MR 99f:03001

[Tod89]
Stevo Todorcevic, Partition problems in topology, American Mathematical Society, Providence, RI, 1989. MR 90d:04001

[Tod00]
-, A dichotomy for $P$-ideals of countable sets, Fund. Math. 166 (2000), no. 3, 251-267. MR 2001k:03111

[Woo84]
W. Hugh Woodin, Discontinuous homomorphisms of $C( \Omega)$ and set theory, Ph.D. thesis, University of California, Berkeley, 1984.


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Additional Information:

James Hirschorn
Affiliation: Department of Mathematics, University of Helsinki, Helsinki, Finland
Address at time of publication: Centre de Recerca Matemàtica, Apartat 50, E-08193 Bellaterra, Spain
Email: jhirschorn@crm.es, James.Hirschorn@logic.univie.ac.at

DOI: 10.1090/S0002-9947-03-03380-4
PII: S 0002-9947(03)03380-4
Keywords: Gap, destructible gap, random real, Continuum Hypothesis
Received by editor(s): October 1, 2001
Posted: November 25, 2003
Copyright of article: Copyright 2003, American Mathematical Society


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