Constructing Eulerian Trails in a Graph: Difference between revisions

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== Parameters ==  
== Parameters ==  


No parameters found.
$V$: number of vertices
 
$E$: number of edges


== Table of Algorithms ==  
== Table of Algorithms ==  
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| [[Hierholzer's algorithm (Constructing Eulerian Trails in a Graph Constructing Eulerian Trails in a Graph)|Hierholzer's algorithm]] || 1873 || $O(E)$ || $O(E)$ || Exact || Deterministic ||   
| [[Hierholzer's algorithm (Constructing Eulerian Trails in a Graph Constructing Eulerian Trails in a Graph)|Hierholzer's algorithm]] || 1873 || $O(E)$ || $O(E)$ || Exact || Deterministic ||   
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| [[Fleury's algorithm + Thorup (Constructing Eulerian Trails in a Graph Constructing Eulerian Trails in a Graph)|Fleury's algorithm + Thorup]] || 2000 || $O(E log^{3}(E)$ loglogE) || $O(E)$ || Exact || Deterministic || [https://www.cs.princeton.edu/courses/archive/spr10/cos423/handouts/NearOpt.pdf Time]
| [[Fleury's algorithm + Thorup (Constructing Eulerian Trails in a Graph Constructing Eulerian Trails in a Graph)|Fleury's algorithm + Thorup]] || 2000 || $O(E \log^{3}(E)$ \log\log E) || $O(E)$ || Exact || Deterministic || [https://www.cs.princeton.edu/courses/archive/spr10/cos423/handouts/NearOpt.pdf Time]
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Revision as of 07:52, 10 April 2023

Description

In graph theory, an Eulerian trail (or Eulerian path) is a trail in a finite graph that visits every edge exactly once (allowing for revisiting vertices). Similarly, an Eulerian circuit or Eulerian cycle is an Eulerian trail that starts and ends on the same vertex.

Parameters

$V$: number of vertices

$E$: number of edges

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Fleury's algorithm + Tarjan 1974 $O(E^{2})$ $O(E)$ Exact Deterministic Time
Hierholzer's algorithm 1873 $O(E)$ $O(E)$ Exact Deterministic
Fleury's algorithm + Thorup 2000 $O(E \log^{3}(E)$ \log\log E) $O(E)$ Exact Deterministic Time

Time Complexity Graph

Constructing Eulerian Trails in a Graph - Time.png

Space Complexity Graph

Constructing Eulerian Trails in a Graph - Space.png

Time-Space Tradeoff

Constructing Eulerian Trails in a Graph - Pareto Frontier.png