[PDF] Euler Paths and Euler Circuits





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GRAPH CONNECTIVITY

Definition 9.1: A graph G is said to be connected if for every pair of vertices there is a path joining them. The maximal connected subgraphs are called.



2-Connected Graphs Definition 1 A graph is connected if for any two

Definition 1. A graph is connected if for any two vertices x y ? V (G)



Reasoning about a highly connected world: graph theory game

Main themes. • Graphs (basic concepts paths and connectivity). • Applications of graphs



A theory of 3-connected graphs

Reduced formsof separators are always proper. Now let A be an edge of a simple 3-connected graph G. We write G'(A) for the graph obtained from 



Graph Theory

Here are some examples. 1. By replacing our set E with a set of ordered pairs of vertices we obtain a directed graph



Graphical introduction to parapolar spaces

Example 2 can you find a connected graph G which is locally 2 non-adjacent vertices? i.e. the neighborhood of each vertex is this graph:.



5.2 Graph Isomorphism

Figure 10: Two isomorphic graphs A and B and a non-isomorphic graph C; each have four vertices and three edges. graph. For example both graphs are connected



Euler Paths and Euler Circuits

odd vertices Euler path? Euler circuit? 0. No. Yes*. 2. Yes*. No. 4 6



Euler Paths and Euler Circuits

odd vertices Euler path? Euler circuit? 0. No. Yes*. 2. Yes*. No. 4 6



Introduction to Graph Theory

For example the graph in Figs 1.3-1.5 is Hamiltonian; a suitable walk is of all the connected unlabelled graphs with up to five vertices is given in ...

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