DFA Minimization: Difference between revisions

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== Parameters ==  
== Parameters ==  


<pre>$n$: number of states
$n$: number of states
 
$d$: number of transitions
$d$: number of transitions
$k$: size of alphabet</pre>
 
$k$: size of alphabet


== Table of Algorithms ==  
== Table of Algorithms ==  

Revision as of 12:02, 15 February 2023

Description

Given a finite deterministic automaton (DFA) from a class $C$ of DFAs, determine its minimal automaton given by the equivalence relation on states.

Related Problems

Subproblem: Acyclic DFA Minimization, Cyclic Nontrivial SCCs DFA Minimization

Related: Cyclic Nontrivial SCCs DFA Minimization

Parameters

$n$: number of states

$d$: number of transitions

$k$: size of alphabet

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Hopcroft's algorithm 1971 $O(kn \log n)$ $O(kn)$ Exact Deterministic Time & Space
Moore's algorithm 1956 $O(n^{2} k)$ $O(n)$ Exact Deterministic Time
Brzozowski's algorithm 1963 $O({2}^n)$ $O({2}^n)$ Exact Deterministic Time & Space

Time Complexity graph

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Space Complexity graph

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Pareto Decades graph

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