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    118
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    JSYML
    2007
    100views more  JSYML 2007»
    Combinatorial principles weaker than Ramsey's Theorem for pairs
    15 years 16 days ago
    Combinatorial principles weaker than Ramsey's Theorem for pairs
    Download  www.math.uchicago.edu
    We investigate the complexity of various combinatorial theorems about linear and partial orders, from the points of view of computability theory and reverse mathematics. We focus ...
    Denis R. Hirschfeldt, Richard A. Shore
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    59
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    JSYML
    2007
    50views more  JSYML 2007»
    Erdos-Rado without choice
    15 years 16 days ago
    Erdos-Rado without choice
    Download  www.dpmms.cam.ac.uk
    Thomas Forster
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    54
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    JSYML
    2007
    40views more  JSYML 2007»
    Parallel interpolation, splitting, and relevance in belief change
    15 years 16 days ago
    Parallel interpolation, splitting, and relevance in belief change
    Download  eprints.lse.ac.uk
    George Kourousias, David Makinson
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    89
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    JSYML
    2007
    80views more  JSYML 2007»
    Theories very close to PA where Kreisel's Conjecture is false
    15 years 16 days ago
    Theories very close to PA where Kreisel's Conjecture is false
    Download  www.math.ias.edu
    We give four examples of theories in which Kreisel’s Conjecture is false: (1) the theory PA(-) obtained by adding a function symbol minus, ‘−’, to the language of PA, and t...
    Pavel Hrubes
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    89
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    JSYML
    2007
    95views more  JSYML 2007»
    Applications of Kolmogorov complexity to computable model theory
    15 years 16 days ago
    Applications of Kolmogorov complexity to computable model theory
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    In this paper we answer the following well-known open question in computable model theory. Does there exist a computable not ℵ0-categorical saturated structure with a unique com...
    Bakhadyr Khoussainov, Pavel Semukhin, Frank Stepha...
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    53
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    JSYML
    2007
    44views more  JSYML 2007»
    Classifying Borel automorphisms
    15 years 16 days ago
    Classifying Borel automorphisms
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    John D. Clemens
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    70
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    JSYML
    2007
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    Transfer principle in quantum set theory
    15 years 16 days ago
    Transfer principle in quantum set theory
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    Masanao Ozawa
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    100
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    JSYML
    2007
    97views more  JSYML 2007»
    Sublocales in formal topology
    15 years 16 days ago
    Sublocales in formal topology
    Download  www.cs.bham.ac.uk
    The paper studies how the localic notion of sublocale transfers to formal topology. For any formal topology (not necessarily with positivity predicate) we define a sublocale to b...
    Steven Vickers
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    51
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    JSYML
    2007
    48views more  JSYML 2007»
    An analysis of the W*-hierarchy
    15 years 16 days ago
    An analysis of the W*-hierarchy
    Download  www2.informatik.hu-berlin.de
    We observe that the W∗ -hierarchy, a variant (introduced by Downey, Fellows, and Taylor [8]) of the better known W-hierarchy, coincides with the W-hierarchy, though not level wi...
    Yijia Chen, Jörg Flum, Martin Grohe
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    60
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    JSYML
    2007
    70views more  JSYML 2007»
    Winning the pressing down game but not Banach-Mazur
    15 years 16 days ago
    Winning the pressing down game but not Banach-Mazur
    Download  www.logic.univie.ac.at
    Jakob Kellner, Matti Pauna, Saharon Shelah
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