论文信息 - Simple directed trees - 字舞流文

Simple directed trees

Those directed trees which are determined up to isomorphism by their demi-degrees are characterized.

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[2] J. K. Senior. Partitions and Their Representative Graphs , 1951 .

[3] D. R. Fulkerson,et al. Some Properties of Graphs with Multiple Edges , 1965, Canadian Journal of Mathematics.