Kalmurzaev Birzhan Seilkhanovich

Publications in Math-Net.Ru

1. A note on joins and meets for positive linear preorders
   
   Sib. Èlektron. Mat. Izv., 20:1 (2023),  1–16
2. On universal positive graphs
   
   Sibirsk. Mat. Zh., 64:1 (2023),  98–112
3. Minimal generalized computable numberings and families of positive preorders
   
   Algebra Logika, 61:3 (2022),  280–307
4. Index sets for classes of positive preorders
   
   Algebra Logika, 61:1 (2022),  42–76
5. One-element rogers semilattices in the Ershov hierarchy
   
   Algebra Logika, 60:4 (2021),  433–437
6. Special classes of positive preorders
   
   Sib. Èlektron. Mat. Izv., 18:2 (2021),  1657–1666
7. The structure of computably enumerable preorder relations
   
   Algebra Logika, 59:3 (2020),  293–314
8. Weakly precomplete equivalence relations in the Ershov hierarchy
   
   Algebra Logika, 58:3 (2019),  297–319
9. Rogers semilattices for families of equivalence relations in the Ershov hierarchy
   
   Sibirsk. Mat. Zh., 60:2 (2019),  290–305
10. On dark computably enumerable equivalence relations
    
    Sibirsk. Mat. Zh., 59:1 (2018),  29–40
11. Embeddability of the semilattice $\mathbf{L^0_m}$ in Rogers semilattices
    
    Algebra Logika, 55:3 (2016),  328–340