Sorbi Andrea

Publications in Math-Net.Ru

1. The category of equivalence relations
   
   Algebra Logika, 60:5 (2021),  451–470
2. Positive undecidable numberings in the Ershov hierarchy
   
   Algebra Logika, 50:6 (2011),  759–780
3. Some remarks on completion of numberings
   
   Sibirsk. Mat. Zh., 49:5 (2008),  986–991
4. Isomorphism types of Rogers semilattices for families from different levels of the arithmetical hierarchy
   
   Algebra Logika, 45:6 (2006),  637–654
5. Elementary Theories for Rogers Semilattices
   
   Algebra Logika, 44:3 (2005),  261–268
6. Generalized computable numerations and nontrivial Rogers semilattices
   
   Algebra Logika, 36:6 (1997),  621–641