1. Cappable recursively enumerable degrees and Post's program;Ambos-Spies;Arch. Math. Logic,1992
2. The translation theorem;Cholak;Arch. Math. Logic,1994
3. Automorphisms of the lattice of recursively enumerable sets;Cholak;Mem. Amer. Math. Soc.,1995
4. The dense simple sets are orbit complete;Cholak,1996
5. [Cholak and Downey, ta] A pair of automorphic computably enumerable sets which are not Δ3-automorphic, Ann. Pure Appl. Logic, to appear.