adjacent is a graph operator that tests if there is an edge between two vertices;

The two vertices have the following binary relation, if the test is:

• false: is not adjacent to

A synonym for adjacent is connected

Discover More Graph - Data Structure (Physical Representation)

A graph is represented generally in a physical data structure The graph is composed of two set. a set of vertices (node) Node a b c and set of egde represented for a : directed graph... Graph - Degree

In a graph, the degree of a vertex (node) is the number of edges that touch the node (vertex) (ie the number of adjacent edges) degree is also known as valency The original 'six degrees of separation'... Graph - Operator (Operations)

on a graph Operations Description degree(G, x) the number of adjacent (connected) edge for the node x (ie degree) adjacent(G, x, y) adjacent tests whether there is an edge from the vertex x... Graph - Relationship

in Graph neighbors are the node that are adjacent (directly connected) to another node. Logical Data Modeling - Binary Relation

A binary relation is a relationship between two elements that is implemented via a binary function. Binary relations are used in many branches of mathematics to model concepts like: order relation... 