2008 |
4 | EE | Sergey Kitaev,
Steve Seif:
Word Problem of the Perkins Semigroup via Directed Acyclic Graphs.
Order 25(3): 177-194 (2008) |
2005 |
3 | EE | Steve Seif:
The Perkins Semigroup has Co-Np-Complete Term-Equivalence Problem.
IJAC 15(2): 317-326 (2005) |
2004 |
2 | | Inessa Levi,
Steve Seif:
Orthogonal Labeling of Constant Weight Gray Codes by Partitions With Blocks Of Size At Most Two.
Ars Comb. 71: (2004) |
2003 |
1 | EE | Steve Seif,
Csaba Szabó:
Algebra complexity problems involving graph homomorphism, semigroups and the constraint satisfaction problem.
J. Complexity 19(2): 153-160 (2003) |