Results 11 to 20 of about 242 (42)

Descriptional Complexity of Finite Automata -- Selected Highlights

open access: yes, 2023
The state complexity, respectively, nondeterministic state complexity of a regular language $L$ is the number of states of the minimal deterministic, respectively, of a minimal nondeterministic finite automaton for $L$.
Salomaa, Arto   +2 more
core  

The Origins of Computational Mechanics: A Brief Intellectual History and Several Clarifications [PDF]

open access: yes, 2017
The principle goal of computational mechanics is to define pattern and structure so that the organization of complex systems can be detected and quantified.
Crutchfield, James P.
core   +1 more source

Kunz languages for numerical semigroups are context sensitive

open access: yes, 2023
There is a one-to-one and onto correspondence between the class of numerical semigroups of depth $n$, where $n$ is an integer, and a certain language over the alphabet $\{1,\ldots,n\}$ which call Kunz language of depth $n$.
Cubertorer, Usó i, Delgado, Manuel
core  

Real-time Regular Expression Matching

open access: yes, 2023
This paper is devoted to finite state automata, regular expression matching, pattern recognition, and the exponential blow-up problem, which is the growing complexity of automata exponentially depending on regular expression length. This paper presents a
Bernadotte, Alexandra
core  

An approach to computing downward closures

open access: yes, 2015
The downward closure of a word language is the set of all (not necessarily contiguous) subwords of its members. It is well-known that the downward closure of any language is regular.
A Ehrenfeucht   +17 more
core   +1 more source

Weighted languages recognizable by weighted tree automata [PDF]

open access: yes, 2018
Yields of recognizable weighted tree languages, yields of local weighted tree languages, and weighted context-free languages are related. It is shown that the following five classes of weighted languages are the same: (i) the class of weighted languages ...
Fülöp Zoltán, Gazdag Zsolt
core  

Colored operads, series on colored operads, and combinatorial generating systems [PDF]

open access: yes, 2019
We introduce bud generating systems, which are used for combinatorial generation. They specify sets of various kinds of combinatorial objects, called languages.
Giraudo, Samuele
core   +1 more source

String Diagrammatic Trace Theory

open access: yes, 2023
We extend the theory of formal languages in monoidal categories to the multi-sorted, symmetric case, and show how this theory permits a graphical treatment of topics in concurrency.
Earnshaw, Matthew, Sobociński, Paweł
core  

Classical and quantum Merlin-Arthur automata

open access: yes, 2022
We introduce Merlin-Arthur (MA) automata as Merlin provides a single certificate and it is scanned by Arthur before reading the input. We define Merlin-Arthur deterministic, probabilistic, and quantum finite state automata (resp., MA-DFAs, MA-PFAs, MA ...
Yakaryılmaz, Abuzer
core  

Alternating weak automata from universal trees [PDF]

open access: yes, 2019
An improved translation from alternating parity automata on infinite words to alternating weak automata is given. The blow-up of the number of states is related to the size of the smallest universal ordered trees and hence it is quasi-polynomial, and it ...
Daviaud, Laure   +2 more
core   +1 more source

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