A new method for counting trees with vertex partition |
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| Authors: | YanPei Liu |
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| Affiliation: | (1) Institute of Mathematics, Beijing Jiaotong University, Beijing, 100044, China |
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| Abstract: | A direct and elementary method is provided in this paper for counting trees with vertex partition instead of recursion, generating function, functional equation, Lagrange inversion, and matrix methods used before. This work was supported by the National Natural Science Foundation of China (Grant No. 10571013) |
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| Keywords: | tree planted tree joint tree model vertex partition code |
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