PUBLICATIONS OF HRISTO GANCHEV

 

 

1) I. N. Soskov and H. Ganchev,  The jump operator on the ω-enumeration degrees, to appear in Annals of Pure and Applied Logic.

2) H. Ganchev and I. N. Soskov, The groups Aut(D_e) and Aut(D_ω) are isomorphic, Sixth Panhellenic Logic Symposium, Volos, 2007.

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

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

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

6) H. Ganchev, St. Mihov and K. U. Schulz, One-Letter Automata: How to Reduce k Tapes to One, CIS-Bericht, Centrum fur Informations- und Sprachverarbeitung, Universitaet Munchen, 2003.