Greg Hjorth - researchr alias

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Viewing Publication 1 - 34 from 34

2013

th level of the projective hierarchyGreg Hjorth, Leigh Humphries, Arnold W. Miller. JSYML, 78(1):237-244, 2013. [doi]

2012

Treeable Equivalence RelationsGreg Hjorth. jml, 12(1):1250003, 2012. [doi]

2011

Borel structures and Borel theoriesGreg Hjorth, André Nies. JSYML, 76(2):461-476, 2011. [doi]

2010

Uniquely undefinable elementsGreg Hjorth. JSYML, 75(1):269-274, 2010. [doi]

2009

Independently axiomatizable ::::L::::::omega::1::, omega:: theoriesGreg Hjorth, Ioannis A. Souldatos. JSYML, 74(4):1273-1286, 2009. [doi]

Glimm-Effros for coanalytic equivalence relationsGreg Hjorth. JSYML, 74(2):402-422, 2009. [doi]

2008

Borel equivalence relations which are highly unfreeGreg Hjorth. JSYML, 73(4):1271-1277, 2008. [doi]

From Automatic Structures to Borel StructuresGreg Hjorth, Bakhadyr Khoussainov, Antonio Montalbán, André Nies. lics 2008: 431-441 [doi]

2007

Effective Cardinals of Boldface pointclassesAlessandro Andretta, Greg Hjorth, Itay Neeman. jml, 7(1), 2007. [doi]

A Note on Counterexamples to the Vaught ConjectureGreg Hjorth. ndjfl, 48(1):49-51, 2007. [doi]

2006

A lemma for cost attainedGreg Hjorth. APAL, 143(1-3):87-102, 2006. [doi]

The Classification Problem for P-Local torsion-Free Abelian Groups of Rank twoGreg Hjorth, Simon Thomas 0001. jml, 6(2), 2006. [doi]

2005

Bi-Borel reducibility of essentially countable Borel equivalence relationsGreg Hjorth. JSYML, 70(3):979-992, 2005. [doi]

2002

A Dichotomy Theorem for TurbulenceGreg Hjorth. JSYML, 67(4):1520-1540, 2002.

Cardinalities in the Projective HierarchyGreg Hjorth. JSYML, 67(4):1351-1372, 2002.

Knight's Model, its automorphism Group, and Characterizing the uncountable CardinalsGreg Hjorth. jml, 2(1), 2002. [doi]

2001

A Boundedness Lemma for IterationsGreg Hjorth. JSYML, 66(3):1058-1072, 2001.

2000

Actions by The Classical Banach SpacesGreg Hjorth. JSYML, 65(1):392-420, 2000.

1998

Borel Equivalence Relations Induced by Actions of the Symmetric GroupGreg Hjorth, Alexander S. Kechris, Alain Louveau. APAL, 92(1):63-112, 1998.

An Absoluteness Principle for Borel SetsGreg Hjorth. JSYML, 63(2):663-693, 1998.

1997

Strong Cardinals in the Core ModelKai Hauser, Greg Hjorth. APAL, 83(2):165-198, 1997.

New dichotomies for Borel equivalence relationsGreg Hjorth, Alexander S. Kechris. bsl, 3(3):329-346, 1997. [doi]

Some Applications of Coarse Inner Model TheoryGreg Hjorth. JSYML, 62(2):337-365, 1997.

1996

Two applications of inner model theory to the study of Sigma:::1:::::2:: setsGreg Hjorth. bsl, 2(1):94-107, 1996. [doi]

Variations of the Martin-Solovay TreeGreg Hjorth. JSYML, 61(1):40-51, 1996.

Borel Equivalence Relations and Classifications of Countable ModelsGreg Hjorth, Alexander S. Kechris. APAL, 82(3):221-272, 1996.

On aleph::1:: Many Minimal ModelsGreg Hjorth. JSYML, 61(3):906-919, 1996.

Pi:::1:::::2:: Wadge DegreesGreg Hjorth. APAL, 77(1):53-74, 1996.

Some applications of illfoundednessGreg Hjorth. AML, 35(3):131-144, 1996. [doi]

1995

Regularity Properties for Dominating Projective SetsJörg Brendle, Greg Hjorth, Otmar Spinas. APAL, 72(3):291-307, 1995.

A Dichotomy for the Definable UniverseGreg Hjorth. JSYML, 60(4):1199-1207, 1995.

Analytic Equivalence Relations and Ulm-Type ClassificationsGreg Hjorth, Alexander S. Kechris. JSYML, 60(4):1273-1300, 1995.

1994

Pi::1:::::1::: Wellfounded RelationsGreg Hjorth. ndjfl, 35(4):542-549, 1994.

1993

Thin Equivalence Relations and Effective DecompositionsGreg Hjorth. JSYML, 58(4):1153-1164, 1993.

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