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  1. Tree (graph theory) - Wikipedia

    Tree (graph theory) ... In graph theory, a tree is an undirected graph in which every pair of distinct vertices is connected by exactly one path, or equivalently, a connected acyclic undirected …

  2. Tree Diagram Maker | Free Online App - SmartDraw

    With SmartDraw, anyone can easily make tree diagrams and decision trees in just minutes. Quick start templates and automation make it the quickest way to produce professional-looking trees.

  3. Difference Between Graph and Tree - GeeksforGeeks

    Jul 11, 2025 · Graphs and trees are two fundamental data structures used in computer science to represent relationships between objects. While they share some similarities, they also have …

  4. 12.10: Trees - Mathematics LibreTexts

    Jan 2, 2025 · A path graph or linear graph is a tree graph that has exactly two vertices of degree 1 such that the only other vertices form a single path between them, which means that it can be …

  5. Graph Theory - Trees - Online Tutorials Library

    A tree is a special type of graph that is connected and acyclic, meaning it has no cycles or loops. It consists of nodes (vertices) and edges (connections between nodes), where there is exactly …

  6. Example 1.2. The graph shown in Figure 1.5 below does not have a non-trivial automorphism because the three leaves are all di erent distances from the center, and hence, an …

  7. Chapter 5 Trees and Spanning Trees | Intro to Graph Theory

    Trees are graphs that are connected and have no circuits.

  8. Tree - from Wolfram MathWorld

    A tree is a mathematical structure that can be viewed as either a graph or as a data structure. The two views are equivalent, since a tree data structure contains not only a set of elements, but …

  9. Today we’ll talk about a very special class of graphs called trees. Trees arise in all sorts of applications and you’ll see them in just about every computer science class that you’ll take at …

  10. Trees & Graphs Explained Simply — With Real-World Examples

    Jun 30, 2025 · A tree is a special kind of graph with a clear hierarchy. Think of it as a top-down structure where each item (called a node) can have children — but only one parent.