Definition of Polytree. Meaning of Polytree. Synonyms of Polytree

- In mathematics, and more specifically in graph theory, a polytree (also called directed tree, oriented tree or singly connected network) is a directed...
- equivalently a disjoint union of trees. A directed tree, oriented tree, polytree, or singly connected network is a directed acyclic graph (DAG) whose underlying...
- tree. A polytree (also called a directed tree) is a multitree formed by orienting the edges of an undirected tree. An arborescence is a polytree formed...
- acyclic undirected graph, or equivalently a disjoint union of trees. A polytree (or directed tree or oriented tree or singly connected network) is a directed...
- any directed cycles Forest (graph theory), an undirected acyclic graph Polytree, a directed graph without any undirected cycles This disambiguation page...
- }}\leq 2{\frac {3}{11}}} , and it is conjectured that the limit is 2. A polytree, a directed acyclic graph formed by orienting the edges of an undirected...
- A polytree is an orientation of an undirected tree. Sumner's conjecture states that every tournament with 2n – 2 vertices contains every polytree with...
- tournaments are universal for polytrees, in the sense that every tournament with 2n − 2 vertices contains every polytree with n vertices as a subgraph...
- tree Free tree Game tree K-ary tree Octree P**** tree Phylogenetic tree Polytree Positional tree PQ tree R-tree Rooted tree Ordered tree Recursive tree...
- blanket – Subset of variables that contains all the useful information Polytree – directed acyclic graph whose underlying undirected graph is a treePages...