Kravchenko Aleksandr Vladimirovich

Publications in Math-Net.Ru

1. On nonstandard quasivarieties of differential groupoids and unary algebras
   
   Sib. Èlektron. Mat. Izv., 19:2 (2022),  768–783
2. On directed and finitely partitionable bases for quasi-identities
   
   Sib. Èlektron. Mat. Izv., 19:2 (2022),  741–746
3. Structure of quasivariety lattices. IV. Nonstandard quasivarieties
   
   Sibirsk. Mat. Zh., 62:5 (2021),  1049–1060
4. Structure of quasivariety lattices. III. Finitely partitionable bases
   
   Algebra Logika, 59:3 (2020),  323–333
5. On the complexity of the lattices of subvarieties and congruences. II. Differential groupoids and unary algebras
   
   Sib. Èlektron. Mat. Izv., 17 (2020),  753–768
6. Structure of quasivariety lattices. II. Undecidable problems
   
   Algebra Logika, 58:2 (2019),  179–199
7. Structure of Quasivariety Lattices. I. Independent Axiomatizability
   
   Algebra Logika, 57:6 (2018),  684–710
8. Quasivarieties of graphs and independent axiomatizability
   
   Mat. Tr., 20:2 (2017),  80–89
9. On quasi-equational bases for differential groupoids and unary algebras
   
   Sib. Èlektron. Mat. Izv., 14 (2017),  1330–1337
10. Embeddings of differential groupoids into modules over commutative rings
    
    Sib. Èlektron. Mat. Izv., 13 (2016),  599–606
11. Complexity of quasivariety lattices for varieties of unary algebras. II
    
    Sib. Èlektron. Mat. Izv., 13 (2016),  388–394
12. Complexity of quasivariety lattices for varieties of differential groupoids. II
    
    Mat. Tr., 15:2 (2012),  89–99
13. Minimal quasivarieties of differential groupoids with nonzero multiplication
    
    Sib. Èlektron. Mat. Izv., 9 (2012),  201–207
14. Complexity of quasivariety lattices for varieties of differential groupoids
    
    Mat. Tr., 12:1 (2009),  26–39
15. $\mathcal Q$-Universal Quasivarieties of Graphs
    
    Algebra Logika, 41:3 (2002),  311–325
16. Complexity of Quasivariety Lattices for Varieties of Unary Algebras
    
    Mat. Tr., 4:2 (2001),  113–127
17. Universal Horn classes and antivarieties of algebraic systems
    
    Algebra Logika, 39:1 (2000),  3–22
18. On the lattice complexity of quasivarieties of graphs and endographs
    
    Algebra Logika, 36:3 (1997),  273–281