| Word problem of the Perkins semigroup via directed acyclic graphs S Kitaev, S Seif Order 25 (3), 177-194, 2008 | 59 | 2008 |
| Computational complexity of checking identities in 0-simple semigroups and matrix semigroups over finite fields S Seif, C Szabó Semigroup Forum 72 (2), 207-222, 2006 | 49 | 2006 |
| The Perkins semigroup has co-NP-complete term-equivalence problem S Seif International Journal of Algebra and Computation 15 (02), 317-326, 2005 | 38 | 2005 |
| Combinatorial techniques for determining rank and idempotent rank of certain finite semigroups I Levi, S Seif Proceedings of the Edinburgh Mathematical Society 45 (3), 617-630, 2002 | 24 | 2002 |
| Algebra complexity problems involving graph homomorphism, semigroups and the constraint satisfaction problem S Seif, C Szabó Journal of complexity 19 (2), 153-160, 2003 | 19 | 2003 |
| Monoids with sub-log-exponential free spectra S Seif Journal of Pure and Applied Algebra 212 (5), 1162-1174, 2008 | 16 | 2008 |
| The poset on connected induced subgraphs of a graph need not be Sperner MS Jacobson, AE Kézdy, S Seif Order 12, 315-318, 1995 | 15 | 1995 |
| When is a poset isomorphic to the poset of connected induced subgraphs of a graph? A Kézdy, S Seif Southwest Journal of Pure and Applied Mathematics [electronic only] 1, 42-50, 1996 | 12 | 1996 |
| An approach to tame congruence theory via subtraces J Berman, S Seif algebra universalis 30, 479-520, 1993 | 12 | 1993 |
| Finite normal semigroups I Levi, S Seif Semigroup Forum 57, 69-74, 1998 | 10 | 1998 |
| On congruences of-normal semigroups-normal semigroups I Levi, S Seif Semigroup Forum 43, 93-113, 1991 | 10 | 1991 |
| Counting techniques to label constant weight Gray codes with links to minimal generating sets of semigroups I Levi, S Seif Journal of Algebra 266 (1), 220-238, 2003 | 9 | 2003 |
| Constructive techniques for labeling constant weight Gray codes with applications to minimal generating sets of semigroups I Levi, S Seif Journal of Algebra 266 (1), 189-219, 2003 | 8 | 2003 |
| Asymptotic growth of free spectra of band monoids S Seif, J Wood Semigroup Forum 75 (1), 77-94, 2007 | 5 | 2007 |
| E-minimal semigroups S Seif Semigroup forum 50, 117-119, 1995 | 4 | 1995 |
| Constrained eden S Seif Complex Systems 18 (3), 379, 2009 | 2 | 2009 |
| Terseness: Minimal idempotent generating sets for K(n,r) RB McFadden, S Seif Semigroup Forum 67, 31-36, 2003 | 2 | 2003 |
| Permutational labelling of constant weight Gray codes I Levi, S Seif Bulletin of the Australian Mathematical Society 65 (3), 399-406, 2002 | 2 | 2002 |
| Range sets and partition sets in connection with congruences and algebraic invariants I Levi, S Seif Semigroup forum 47, 285-293, 1993 | 2 | 1993 |
| Algorithms for labeling constant weight Gray codes I Levi, RB McFADDEN, S Seif Glasgow Mathematical Journal 47 (2), 221-236, 2005 | 1 | 2005 |
