Hirschfeldt Denis R

Publications in Math-Net.Ru

1. Finitely presented expansions of computably enumerable semigroups
   
   Algebra Logika, 51:5 (2012),  652–667
2. Uniformity in Computable Structure Theory
   
   Algebra Logika, 42:5 (2003),  566–593
3. Degree Spectra of Relations on Boolean Algebras
   
   Algebra Logika, 42:2 (2003),  182–193