Kehayopulu Niovi

Publications in Math-Net.Ru

1. Retract extensions of lattices
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2011, no. 3,  20–29
2. Ideal extensions of lattices
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2009, no. 2,  46–64
3. Ordered semigroups having the $P$-property
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2008, no. 12,  28–33
4. Semilattice composition of ordered semigroups
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2007, no. 3,  29–37
5. Weakly prime and prime fuzzy ideals in ordered semigroups
   
   Lobachevskii J. Math., 27 (2007),  31–40
6. $\mathcal{CS}$-indecomposable ordered semigroups
   
   Zap. Nauchn. Sem. POMI, 343 (2007),  222–232
7. Weak presentations of computable partially ordered semigroups
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2006, no. 3,  3–8
8. Decomposition of commutative ordered semigroups into archimedean components
   
   Lobachevskii J. Math., 22 (2006),  27–34
9. Fuzzy interior ideals in ordered semigroups
   
   Lobachevskii J. Math., 21 (2006),  65–71
10. On ordered left groups
    
    Lobachevskii J. Math., 18 (2005),  131–137
11. Retract extensions of ordered sets
    
    Zap. Nauchn. Sem. POMI, 321 (2005),  205–212
12. A note on maximal ideals in ordered semigroups
    
    Algebra Discrete Math., 2003, no. 1,  32–35
13. Adjoining zero to ordered groupoid-semigroups
    
    Izv. Vyssh. Uchebn. Zaved. Mat., 2003, no. 9,  28–35
14. A note on semi-pseudoorders in semigroups
    
    Lobachevskii J. Math., 13 (2003),  51–55
15. The embedding of an ordered semigroup into an le-semigroup
    
    Lobachevskii J. Math., 13 (2003),  45–50
16. On weakly simple ideals of partially ordered semigroups
    
    Algebra i Analiz, 14:4 (2002),  54–62
17. A note on pseudocongruences in semigroups
    
    Lobachevskii J. Math., 11 (2002),  19–21
18. A note on minimal and maximal ideals of ordered semigroups
    
    Lobachevskii J. Math., 11 (2002),  3–6
19. A remark on congruences in ordered semigroups
    
    Izv. Vyssh. Uchebn. Zaved. Mat., 2000, no. 5,  37–39
20. A remark on semilattice congruences in ordered semigroups
    
    Izv. Vyssh. Uchebn. Zaved. Mat., 2000, no. 2,  50–52
21. Note on bi-ideals in ordered semigroups and in ordered groups
    
    Zap. Nauchn. Sem. POMI, 265 (1999),  198–201
22. The embedding of an ordered semigroup into an ordered group by means of pseudoorder
    
    Zap. Nauchn. Sem. POMI, 236 (1997),  106–110
23. The chain of right simple semigroups in ordered semigroups
    
    Zap. Nauchn. Sem. POMI, 227 (1995),  83–88