2009 | ||
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3 | EE | Libor Barto, Marcin Kozik, Todd Niven: The CSP Dichotomy Holds for Digraphs with No Sources and No Sinks (A Positive Answer to a Conjecture of Bang-Jensen and Hell). SIAM J. Comput. 38(5): 1782-1802 (2009) |
2008 | ||
2 | EE | Libor Barto, Marcin Kozik, Todd Niven: Graphs, polymorphisms and the complexity of homomorphism problems. STOC 2008: 789-796 |
2005 | ||
1 | EE | Libor Barto: Weakly Terminal Objects in Quasicategories of SET Endofunctors. Applied Categorical Structures 13(3): 257-264 (2005) |
1 | Marcin Kozik | [2] [3] |
2 | Todd Niven | [2] [3] |