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On simple characterizations of k-trees. (English) Zbl 0285.05128


MSC:

05C99 Graph theory
05C05 Trees
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References:

[1] Harary, F., Graph Theory (1969), Addison-Wesley: Addison-Wesley Reading, Mass · Zbl 0797.05064
[2] Harary, F.; Palmer, E. M., On acyclic simplicial complexes, Mathematika, 15, 112-115 (1968) · Zbl 0157.54903
[3] Haskins, L.; Rose, D. J., Toward characterization of perfect elimination digraphs, SIAM J. Comp., 2 (1973) · Zbl 0288.05115
[4] Rose, D. J., A graph-theoretic study of the numerical solution of sparse positive definite systems of linear equations, (Read, R., Graph Theory and Computing (1972), Academic Press: Academic Press New York), 183-217 · Zbl 0266.65028
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