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Developments in Language Theory

25th International Conference, DLT 2021, Porto, Portugal, August 16–20, 2021, Proceedings

  • Conference proceedings
  • © 2021

Overview

Editors:
  1. Nelma Moreira

    1. University of Porto, Porto, Portugal

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    You can also search for this editor in PubMed   Google Scholar

  2. Rogério Reis

    1. University of Porto, Porto, Portugal

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Part of the book series: Lecture Notes in Computer Science (LNCS, volume 12811)

Part of the book sub series: Theoretical Computer Science and General Issues (LNTCS)

Included in the following conference series:

Conference proceedings info: DLT 2021.

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Table of contents (30 papers)

  1. Front Matter

    Pages i-xvii
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  2. Invited Talks

    1. Front Matter

      Pages 1-1
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    2. Morphic Sequences Versus Automatic Sequences

      • Jean-Paul Allouche
      Pages 3-11

    3. Parsimonious Computational Completeness

      • Henning Fernau
      Pages 12-26

    4. Pointlike Sets and Separation: A Personal Perspective

      • Benjamin Steinberg
      Pages 27-40

  3. Regular Papers

    1. Front Matter

      Pages 41-41
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    2. A Strong Non-overlapping Dyck Code

      • Elena Barcucci, Antonio Bernini, Renzo Pinzani
      Pages 43-53

    3. Active Learning of Sequential Transducers with Side Information About the Domain

      • Raphaël Berthon, Adrien Boiret, Guillermo A. Pérez, Jean-François Raskin
      Pages 54-65

    4. Compositions of Constant Weighted Extended Tree Transducers

      • Malte Blattmann, Andreas Maletti
      Pages 66-77

    5. Extremal Binary PFAs in a Černý Family

      • Stijn Cambie, Michiel de Bondt, Henk Don
      Pages 78-89

    6. Variations on the Post Correspondence Problem for Free Groups

      • Laura Ciobanu, Alan D. Logan
      Pages 90-102

    7. Reducing Local Alphabet Size in Recognizable Picture Languages

      • Stefano Crespi Reghizzi, Antonio Restivo, Pierluigi San Pietro
      Pages 103-116

    8. Properties of Graphs Specified by a Regular Language

      • Volker Diekert, Henning Fernau, Petra Wolf
      Pages 117-129

    9. Balanced-By-Construction Regular and \(\omega \)-Regular Languages

      • Luc Edixhoven, Sung-Shik Jongmans
      Pages 130-142

    10. Weighted Prefix Normal Words: Mind the Gap

      • Yannik Eikmeier, Pamela Fleischmann, Mitja Kulczynski, Dirk Nowotka
      Pages 143-154

    11. Two-Way Non-uniform Finite Automata

      • Fabian Frei, Juraj Hromkovič, Richard Královič, Rastislav Královič
      Pages 155-166

    12. Integer Weighted Automata on Infinite Words

      • Vesa Halava, Tero Harju, Reino Niskanen, Igor Potapov
      Pages 167-179

    13. Deciding FO2 Alternation for Automata over Finite and Infinite Words

      • Viktor Henriksson, Manfred Kufleitner
      Pages 180-191

    14. State Complexity of Projection on Languages Recognized by Permutation Automata and Commuting Letters

      • Stefan Hoffmann
      Pages 192-203

    15. Constrained Synchronization and Subset Synchronization Problems for Weakly Acyclic Automata

      • Stefan Hoffmann
      Pages 204-216
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  1. Developments in Language Theory

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About this book

This book constitutes the proceedings of the 25th International Conference on Developments in Language Theory, DLT 2021, which was held in Porto, Portugal, during August 16-20, 2021. The conference took place in an hybrid format with both in-person and online participation.

The 27 full papers included in these proceedings were carefully reviewed and selected from 48 submissions. The DLT conference series provides a forum for presenting current developments in formal languages and automata. Its scope is very general and includes, among others, the following topics and areas: grammars, acceptors and transducers for words, trees and graphs; algebraic theories of automata; algorithmic, combinatorial, and algebraic properties of words and languages; variable length codes; symbolic dynamics; cellular automata; polyominoes and multidimensional patterns; decidability questions; image manipulation and compression; efficient text algorithms; relationships to cryptography, concurrency, complexity theory, and logic; bio-inspired computing; quantum computing. The book also includes 3 invited talks in full paper length.

 

Editors and Affiliations

  • University of Porto, Porto, Portugal

    Nelma Moreira, Rogério Reis

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