# Graph theory

study of graphs, which are mathematical structures used to model pairwise relations between objects

**English:**

**Graph theory**is the mathematical study of arbitrary networks consisting of nodes connected by edges.

## Contents

## VariousEdit

## Complete graphsEdit

## Planar graphsEdit

## Directed graphsEdit

See also Category:Directed graphs

## Network topologyEdit

See also Topology (Network)

## NatureEdit

Graphs in nature:

## Man-madeEdit

Graphs in man-made works:

A fishing net