Greg Hjorth

Publication Activity (10 Years)

Years Active: 1993-2013
Publications (10 Years): 0

Top Topics

Information Systems

Rough Set Approximations

Equivalence Relation

Top Venues

Publications

Greg Hjorth, Leigh Humphries, Arnold W. Miller
level of the projective hierarchy. J. Symb. Log. 78 (1) (2013)
Greg Hjorth
Treeable Equivalence Relations. J. Math. Log. 12 (1) (2012)
Greg Hjorth, André Nies
Borel structures and Borel theories. J. Symb. Log. 76 (2) (2011)
Greg Hjorth
Uniquely undefinable elements. J. Symb. Log. 75 (1) (2010)
Greg Hjorth, Ioannis A. Souldatos
theories. J. Symb. Log. 74 (4) (2009)
Greg Hjorth
Glimm-Effros for coanalytic equivalence relations. J. Symb. Log. 74 (2) (2009)
Greg Hjorth, Bakhadyr Khoussainov, Antonio Montalbán, André Nies
From Automatic Structures to Borel Structures. LICS (2008)
Greg Hjorth
Borel equivalence relations which are highly unfree. J. Symb. Log. 73 (4) (2008)
Greg Hjorth
A Note on Counterexamples to the Vaught Conjecture. Notre Dame J. Formal Log. 48 (1) (2007)
Alessandro Andretta, Greg Hjorth, Itay Neeman
Effective Cardinals of Boldface pointclasses. J. Math. Log. 7 (1) (2007)
Greg Hjorth
A lemma for cost attained. Ann. Pure Appl. Log. 143 (1-3) (2006)
Greg Hjorth, Simon Thomas
The Classification Problem for P-Local torsion-Free Abelian Groups of Rank two. J. Math. Log. 6 (2) (2006)
Greg Hjorth
Bi-Borel reducibility of essentially countable Borel equivalence relations. J. Symb. Log. 70 (3) (2005)
Greg Hjorth
Knight's Model, its automorphism Group, and Characterizing the uncountable Cardinals. J. Math. Log. 2 (1) (2002)
Greg Hjorth
Cardinalities in the Projective Hierarchy. J. Symb. Log. 67 (4) (2002)
Greg Hjorth
A Dichotomy Theorem for Turbulence. J. Symb. Log. 67 (4) (2002)
Greg Hjorth
A Boundedness Lemma for Iterations. J. Symb. Log. 66 (3) (2001)
Greg Hjorth
Actions by The Classical Banach Spaces. J. Symb. Log. 65 (1) (2000)
Greg Hjorth
An Absoluteness Principle for Borel Sets. J. Symb. Log. 63 (2) (1998)
Greg Hjorth, Alexander S. Kechris, Alain Louveau
Borel Equivalence Relations Induced by Actions of the Symmetric Group. Ann. Pure Appl. Log. 92 (1) (1998)
Kai Hauser, Greg Hjorth
Strong Cardinals in the Core Model. Ann. Pure Appl. Log. 83 (2) (1997)
Greg Hjorth, Alexander S. Kechris
New dichotomies for Borel equivalence relations. Bull. Symb. Log. 3 (3) (1997)
Greg Hjorth
Some Applications of Coarse Inner Model Theory. J. Symb. Log. 62 (2) (1997)
Greg Hjorth
Many Minimal Models. J. Symb. Log. 61 (3) (1996)
Greg Hjorth
Some applications of illfoundedness. Arch. Math. Log. 35 (3) (1996)
Greg Hjorth
Variations of the Martin-Solovay Tree. J. Symb. Log. 61 (1) (1996)
Greg Hjorth
sets. Bull. Symb. Log. 2 (1) (1996)
Greg Hjorth, Alexander S. Kechris
Borel Equivalence Relations and Classifications of Countable Models. Ann. Pure Appl. Log. 82 (3) (1996)
Greg Hjorth
Wadge Degrees. Ann. Pure Appl. Log. 77 (1) (1996)
Greg Hjorth
A Dichotomy for the Definable Universe. J. Symb. Log. 60 (4) (1995)
Greg Hjorth, Alexander S. Kechris
Analytic Equivalence Relations and Ulm-Type Classifications. J. Symb. Log. 60 (4) (1995)
Jörg Brendle, Greg Hjorth, Otmar Spinas
Regularity Properties for Dominating Projective Sets. Ann. Pure Appl. Log. 72 (3) (1995)
Greg Hjorth
Wellfounded Relations. Notre Dame J. Formal Log. 35 (4) (1994)
Greg Hjorth
Thin Equivalence Relations and Effective Decompositions. J. Symb. Log. 58 (4) (1993)