# unitree

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## English[edit]

### Noun[edit]

**unitree** (*plural* **unitrees**)

- (mathematics) A unique tree (for a set of vertices)
**2015**, Fedor Pakovich, Alexander K. Zvonkin, “Minimum Degree of the Difference of Two Polynomials over . Part II: Davenport-Zannier pairs”, in arXiv^{[1]}:- When such a tree is uniquely determined by the set of black and white degrees of its vertices, it is called
**unitree**, and the corresponding DZ-pair is defined over .