Christopher J. Ash

23 papers Journal 23
YearRankTypeTitle / Venue / Authors
1997 J jnl
Permitting, Forcing, and Copying of a Given Recursive Relation.
Ann. Pure Appl. Log.
Christopher J. Ash, Peter Cholak, Julia F. Knight
1997 J jnl
Possible Degrees in Recursive Copies II.
Ann. Pure Appl. Log.
Christopher J. Ash, Julia F. Knight
1997 J jnl
Quasi-Simple Relations in Copies of a Given Recursive Structure.
Ann. Pure Appl. Log.
Christopher J. Ash, Julia F. Knight, Jeffrey B. Remmel
1996 J jnl
Recursive Structures and Ershov's Hierarchy.
Math. Log. Q.
Christopher J. Ash, Julia F. Knight
1995 J jnl
Possible Degrees in Recursive Copies.
Ann. Pure Appl. Log.
Christopher J. Ash, Julia F. Knight
1994 J jnl
A Completeness Theorem for Certain Classes of Recursive Infinitary Formulas.
Math. Log. Q.
Christopher J. Ash, Julia F. Knight
1994 J jnl
A Conjecture Concerning the Spectrum of a Sentence.
Math. Log. Q.
Christopher J. Ash
1994 J jnl
Mixed Systems.
J. Symb. Log.
Christopher J. Ash, Julia F. Knight
1994 J jnl
On Countable Fractions from an Elementary Class.
J. Symb. Log.
Christopher J. Ash
1994 J jnl
Ramified Systems.
Ann. Pure Appl. Log.
Christopher J. Ash, Julia F. Knight
1992 J jnl
Generalizations of Enumeration Reducibility Using Recursive Infinitary Propositional Sentences.
Ann. Pure Appl. Log.
Christopher J. Ash
1991 J jnl
A Construction for Recursive Linear Orderings.
J. Symb. Log.
Christopher J. Ash
1991 J jnl
Inevitable Graphs: a Proof of the Type II Conjecture and some Related Decision Procedures.
Int. J. Algebra Comput.
Christopher J. Ash
1990 J jnl
Labelling Systems and r.e. Structures.
Ann. Pure Appl. Log.
Christopher J. Ash
1990 J jnl
On the Varieties of Languages Associated with Some Varieties of Finite Monoids with Commuting Idempotents
Inf. Comput.
Christopher J. Ash, Thomas Eric Hall, Jean-Eric Pin
1990 J jnl
Pairs of Recursive Structures.
Ann. Pure Appl. Log.
Christopher J. Ash, Julia F. Knight
1989 J jnl
Generic Copies of Countable Structures.
Ann. Pure Appl. Log.
Christopher J. Ash, Julia F. Knight, Mark S. Manasse, Theodore A. Slaman
1987 J jnl
Categoricity in hyperarithmetical degrees.
Ann. Pure Appl. Log.
Christopher J. Ash
1986 J jnl
Intersections of algebraically closed fields.
Ann. Pure Appl. Log.
Christopher J. Ash, John W. Rosenthal
1986 J jnl
Stability of recursive structures in arithmetical degrees.
Ann. Pure Appl. Log.
Christopher J. Ash
1984 J jnl
Decidable Subspaces and Recursively Enumerable Subspaces.
J. Symb. Log.
Christopher J. Ash, Rodney G. Downey
1980 J jnl
Some Theories Associated with Algebraically Closed Fields.
J. Symb. Log.
Christopher J. Ash, John W. Rosenthal
1975 J jnl
Sentences with finite models.
Math. Log. Q.
Christopher J. Ash