| Line spreads of PG (5, 2) ZT Mateva, ST Topalova Journal of Combinatorial Designs 17 (1), 90-102, 2009 | 25 | 2009 |
| 2-spreads and transitive and orthogonal 2-parallelisms of PG (5, 2) S Topalova, S Zhelezova Graphs and Combinatorics 26 (5), 727-735, 2010 | 21 | 2010 |
| On point-transitive and transitive deficiency one parallelisms of PG S Topalova, S Zhelezova Designs, Codes and Cryptography 75, 9-19, 2015 | 20 | 2015 |
| On transitive parallelisms of S Topalova, S Zhelezova Applicable Algebra in Engineering, Communication and Computing 24, 159-164, 2013 | 17 | 2013 |
| On automorphism groups of perfect binary codes and Steiner triple systems FI Solov'eva, ST Topalova Problemy Peredachi Informatsii 36 (4), 53-58, 2000 | 17 | 2000 |
| Classification of Hadamard matrices of order 44 with automorphisms of order 7 S Topalova Discrete mathematics 260 (1-3), 275-284, 2003 | 15 | 2003 |
| New regular parallelisms of PG (3, 5) S Topalova, S Zhelezova Journal of Combinatorial Designs 24 (10), 473-482, 2016 | 14 | 2016 |
| Optimal (v, 4, 2, 1) optical orthogonal codes with small parameters T Baicheva, S Topalova Journal of Combinatorial Designs 20 (2), 142-160, 2012 | 14 | 2012 |
| Types of spreads and duality of the parallelisms of PG(3, 5) with automorphisms of order 13 S Topalova, S Zhelezova Designs, Codes and Cryptography 87, 495-507, 2019 | 12 | 2019 |
| Parallelisms of invariant under cyclic groups of order 4 A Betten, S Topalova, S Zhelezova International Conference on Algebraic Informatics, 88-99, 2019 | 11 | 2019 |
| New parallelisms of PG (3, 4) S Topalova, S Zhelezova Electronic Notes in Discrete Mathematics 57, 193-198, 2017 | 10 | 2017 |
| On the Steiner triple systems of order 21 with automorphisms of order 3 SN Kapralov, S Topalova Proceedings of the Third International Workshop on Algebraic and …, 1992 | 10 | 1992 |
| Perfect binary codes and Steiner triple systems with maximum orders of automorphism groups FI Solov'eva, ST Topalova Diskretnyi Analiz i Issledovanie Operatsii 7 (4), 101-110, 2000 | 9 | 2000 |
| Isomorphism and invariants of parallelisms of projective spaces S Topalova, S Zhelezova International Congress on Mathematical Software, 162-172, 2020 | 8 | 2020 |
| Classification of optimal (v, 4, 1) binary cyclically permutable constant-weight codes and cyclic 2-(v, 4, 1) designs with v ≤ 76 T Baicheva, S Topalova Problems of Information Transmission 47 (3), 224-231, 2011 | 8 | 2011 |
| Optimal conflict-avoiding codes for 3, 4 and 5 active users T Baicheva, S Topalova Problems of Information Transmission 53 (1), 42-50, 2017 | 7 | 2017 |
| Doubly resolvable designs with small parameters. S Topalova, S Zhelezova Ars Comb. 117, 289-302, 2014 | 7 | 2014 |
| Parallelisms of PG (3, 4) invariant under a Baer involution A Betten, S Topalova, S Zhelezova Proceedings of the 16th International Workshop on Algebraic and …, 2018 | 6 | 2018 |
| Optimal optical orthogonal codes of small T Baicheva, S Topalova Applicable Algebra in Engineering, Communication and Computing 24, 165-177, 2013 | 6 | 2013 |
| Parallelisms of PG (3, 5) with automorphisms of order 13 S Topalova, S Zhelezova Proc. VII Intern. Workshop Optimal Codes and Related Topics, Albena …, 2013 | 6 | 2013 |
Tsonka BaichevaProfessor, Institute of Mathematics and Informatics, BASVerified email at math.bas.bg
