Online publications of H. Ganchev

 

The jump operator on the ω-enumeration degrees,  to appear in Annals of  Pure and Applied Logic.

The groups Aut(D_e) and Aut(D_ω) are isomorphic, 6th Pan-Hellenic Logic Symposium, Volos, 2007.

Exact pair theorem for the ω-enumeration degrees,  Lecture Notes in Comp. Sci,  v. 4497 (2007), Springer-Verlag,  316-324.

 

A total degree spitting theorem and a jump inversion splitting theorem , 5th Pan-Hellenic Logic Symposium, Athens, 2005.

A jump inversion theorem for the infinite enumeration jump,  to appear in Ann. Univ. Sofia.