Joseph S. Ullian

1978
11		Jon Barwise, Kenneth Kunen, Joseph S. Ullian: Annual Meeting of the Association for Symbolic Logic: Saint Louis, 1977. J. Symb. Log. 43(2): 365-372 (1978)
1972
10		Carl G. Jockusch Jr., Joseph S. Ullian, Robert B. Barrett Jr.: Meeting of the Association for Symbolic Logic: St. Louis 1972. J. Symb. Log. 37(4): 775-782 (1972)
1971
9		Joseph S. Ullian: Three Theorems Concerning Principal AFLs. J. Comput. Syst. Sci. 5(3): 304-314 (1971)
1970
8		Joseph S. Ullian: Three Theorems on Abstract Families of Languages STOC 1970: 226-230
1969
7		Joseph S. Ullian: The Inherent Ambiguity Partial Algorithm Problem for Context Free Languages STOC 1969: 19-20
1967
6		Joseph S. Ullian: Partial Algorithm Problems for Context Free Languages Information and Control 11(1/2): 80-101 (1967)
1966
5		Joseph S. Ullian: Failure of a Conjecture About Context Free Languages Information and Control 9(1): 61-65 (1966)
4	EE	Seymour Ginsburg, Joseph S. Ullian: Ambiguity in context free languages. J. ACM 13(1): 62-89 (1966)
3	EE	Seymour Ginsburg, Joseph S. Ullian: Preservation of unambiguity and inherent ambiguity in context-free languages. J. ACM 13(3): 364-368 (1966)
2	EE	Thomas N. Hibbard, Joseph S. Ullian: The Independence of Inherent Ambiguity From Complementedness Among Context-Free Languages. J. ACM 13(4): 588-593 (1966)
1960
1		Joseph S. Ullian: Splinters of Recursive Functions. J. Symb. Log. 25(1): 33-38 (1960)

Coauthor Index

1	Robert B. Barrett Jr.	[10]
2	K. Jon Barwise (Jon Barwise)	[11]
3	Seymour Ginsburg	[3] [4]
4	Thomas N. Hibbard	[2]
5	Carl G. Jockusch Jr.	[10]
6	Kenneth Kunen	[11]

Colors in the list of coauthors