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" P. Hell, J. Nesetfil, and X. Zhu, Duality and polynomial testing of tree homomorphisms, Trans. Amer. Math. Soc. "
Graphs, Morphisms, and Statistical Physics: DIMACS Workshop Graphs ... - Page 85
edited by - 193 pages
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Diagraphs: Theory, Algorithms and Applications

Jørgen Bang-Jensen, Gregory Gutin - Computers - 2002 - 780 pages
...core of a graph. Discrete Math., 109(1-3):117-126, 1992. Algebraic graph theory (Leibnitz, 1989). 414. P. Hell, J. Nesetfil, and X. Zhu. Duality and polynomial testing of tree homomorphisms. Trans. Amer. Math. Soc., 348(4):1281-1297, 1996. 415. P. Hell and M. Rosenfeld. The complexity of finding...
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Computer Science Logic: 17th International Workshop, CSL 2003 ..., Volume 17

Matthias Baaz, Johann A. Makowsky, European Association for Computer Science Logic. Conference - Computers - 2003 - 603 pages
...Nesetfil. On the complexity of H-coloring. Journal of Combinatorial Theory, Series B, 48:92-110, 1990. 21. P. Hell, J. Nesetfil, and X. Zhu. Duality and polynomial testing of tree homomorphisms. Trans. Amer. Math. Soc., 348(4):1281-1297, 1996. 22. W. Hodges. A shorter model theory. Cambridge University...
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Surveys in Combinatorics 2003

C. D. Wensley - Mathematics - 2003 - 382 pages
...press. [57] P. Hell and J. Nesetfil, Graphs and Homomorphisms, Clarendon Press, Oxford (2003). [58] P. Hell, J. Nesetfil and X. Zhu, Duality and polynomial testing of tree homomorphisms, Trans. Amer. Math. Soc. 348 (1996), 147-156. [59] P. Hell, J. Nesetfil and X. Zhu, Complexity of tree...
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