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Let be a graph (with multiple edges allowed) and let be a tree in . We say that is if every leaf of belongs to the same part of the bipartition of , and that is if every leaf of that has maximum degree in belongs to the same part of the bipartition of . We confirm two recent conjectures of Jackson and Yoshimoto by showing that every connected graph that is not a regular bipartite graph has a spanning weakly even tree.

生成讲解博客的中文版本

生成AI智能校验的中文版本