Talks
Invited talks:
- 4.
-  5th Logic Mentoring Workshop (LMW 2020, affiliated to LICS 2020 and ICALP 2020)
 Saarbrücken, Germany (online), 07.2020:
 “Combinatorics on Words (through the Word-Equations-lens)”.
 
- 3.
- 12th International Conference on Combinatorics on Words, WORDS 2019
 Loughborough, UK, 09.2019:
 “Matching Patterns with Variables”.
 
- 2.
- Anniversary Conference Faculty of Sciences 150 years, University of Bucharest
 Bucharest, Romania, 08.2013:
 “Hidden structures in words”.
 
- 1.
- 21. Theorietag der Fachgruppe “Automaten und Formale Sprachen” 2011
 Allrode im Harz, Germany, 09.2011:
 “Turing Machines Deciding According to the Shortest Computations and Deciding Networks of Evolutionary Processors”.
Conference talks:
- 40.
- Highlights of Logic, Games and Automata
 HIGHLIGHTS 2020, online, 09.2020:
 ”Efficiently Testing Simon's Congruence”.
 
- 39.
- International Colloquium on Automata, Languages, and Programming
 ICALP 2019, Patras, Greece, 07.2019:
 ”Graph and String Parameters: Connections Between Pathwidth, Cutwidth and the Locality Number”.
 
- 38.
- International Symposium on Theoretical Aspects of Computer Science
 STACS 2019, Berlin, Germany, 02.2019:
 “Fast and Longest Rollercoasters”.
 
- 37.
- International Colloquium on Automata, Languages, and Programming
 ICALP 2018, Prague, Czech Republic, 07.2018:
 ”Rollercoasters and Caterpillars”.
 
- 36.
- European Workshop on Computational Geometry
 EuroCG 2018, Berlin, Germany, 03.2018:
 “Rollercoasters: Long Sequences without Short Runs”.
 
- 35.
- International Symposium on Theoretical Aspects of Computer Science
 STACS 2016, Orleans, France, 02.2016:
 “Efficiently Finding All Maximal α-gapped Repeats”.
 
- 34.
- International Conference on Developments in Language Theory
 DLT 2015, Liverpool, UK, 07.2015:
 “Unary Patterns under Permutations”.
 
- 33.
- International Symposium on Fundamentals of Computation Theory
 FCT 2015, Gdansk, Poland, 08.2015:
 “Longest α-gapped Repeat and Palindrome”.
 
- 32.
- International Symposium on Mathematical Foundations of Computer Science
 MFCS 2015, Milan, Italy, 08.2015:
 “Longest Gapped Repeats and Palindromes”.
 
- 31.
- International Conference on WORDS 2015,
 WORDS 2015 Kiel, Germany 09.2015:
 “Prefix-Suffix Square Completion”.
 
- 30.
- International Symposium on Theoretical Aspects of Computer Science
 STACS 2014, Lyon, France, 03.2014:
 “Testing Generalised Freeness of Words”.
 
- 29.
- International Conference Implementation and Application of Automata
 CIAA 2014, Gießen, Germany, 08.2014:
 “Bounded Duplication Languages”.
 
- 28.
- International Symposium on Mathematical Foundations of Computer Science
 MFCS 2014, Budapest, Hungary, 08.2014:
 “Generalised Lyndon-Schützenberger Equations”.
 
- 27.
- International Symposium on Theoretical Aspects of Computer Science
 STACS 2013, Kiel, Germany, 02.2013:
 “Finding pseudo-repetitions”.
 
- 26.
- Computability in Europe
 CiE 2013, Milan, Italy, 07.2013:
 “Discovering Hidden Repetitions in Words”.
 
- 25.
- Computability in Europe
 CiE 2012, Cambridge, UK, 06.2012:
 “Connecting Partial Words and Regular Languages”.
 
- 24.
- International Symposium on Mathematical Foundations of Computer Science
 MFCS 2012, Bratislava, Slovakia, 08.2012:
 “Fine and Wilf Theorem and Pseudo-repetitions”.
 
- 23.
- International Conference on Unconventional and Natural Computation
 UCNC 2012, Orleans, France, 09.2012:
 “String Matching with Involutions”.
 
- 22.
- International Conference on Unconventional Computation
 UC 2011, Turku, Finland, 06.2011:
 “On Normal Forms for Networks of Evolutionary Processors”.
 
- 21.
- International Workshop on Descriptional Complexity of Formal Systems
 DCFS 2011, Limburg, Germany, 07.2011:
 “k-Local Internal Contextual Grammars”.
 
- 20.
- International Workshop on Descriptional Complexity of Formal Systems
 DCFS 2011, Limburg, Germany, 07.2011:
 “On Contextual Grammars with Subregular Selection Languages”.
 
- 19.
- Computability in Europe
 CiE 2011, Sofia, Bulgaria, 07.2011:
 “Deciding according to the shortest computations”.
 
- 18.
- Workshop on Non-Classical Models for Automata and Applications
 NCMA 2011, Milan, Italy, 08.2011:
 “Generating Networks of Evolutionary Processors”.
 
- 17.
- International Conference on Developments in Language Theory
 DLT 2011, Milan, Italy, 08.2011:
 “Deciding Networks of Evolutionary Processors”.
 
- 16.
- International Symposium on Mathematical Foundations of Computer Science
 MFCS 2011, Warsaw, Poland, 08.2011:
 “Periodicity Algorithms for Partial Words”.
 
- 15.
- International Conference on Language and Automata Theory and Applications
 LATA 2010, Trier, Germany, 05.2010:
 “Hard Counting Problems for Partial Words”.
 
- 14.
- Computability in Europe
 CiE 2010, Ponta Delgada, Portugal, 07.2010:
 “Hairpin Lengthening”.
 
- 13.
- International Conference on Agents and Artificial Intelligence
 ICAART 2009, Porto, Portugal, 01.2009:
 “Accepting Networks of Evolutionary Processors: Complexity Aspects. Recent Results and New Challenges”.
 
- 12.
- International Conference on Developments in Language Theory
 DLT 2009, Stuttgart, Germany, 07.2009:
 “Some Remarks on Superposition Based on Watson-Crick-like Complementarity”.
 
- 11.
- International Workshop on Descriptional Complexity of Formal Systems
 DCFS 2009, Magdeburg, Germany, 07.2009:
 “Small Universal Accepting Networks of Evolutionary Processors with Filtered Connections”.
 
- 10.
- International Symposium on Fundamentals of Computation Theory
 FCT 2009, Wroclaw, Poland, 09.2009:
 ”Combinatorial Queries and Updates on Partial Words”.
 
- 9.
- International Conference on Unconventional Computation
 UC 2009, Ponta Delgada, Portugal, 09.2009:
 “Networks of Evolutionary Picture Processors With Filtered Connections”.
 
- 8.
- International Conference on Automata and Formal Languages
 AFL 2008, Balatonfüred, Hungary, 05.2008:
 “Some Remarks on the Hairpin Completion”.
 
- 7.
- Computability in Europe
 CiE 2007, Siena, Italy, 06.2007:
 “Hairpin Completion Versus Hairpin Reduction”.
 
- 6.
- International Conference on Machines, Computations, and Universality
 MCU 2007, Orleans, France, 09.2007:
 “Accepting Networks of Splicing Processors With Filtered Connections”.
 
- 5.
- International Conference on Automata and Formal Languages
 AFL 2005, Dobogókö, Hungary, 05.2004:
 “A CYK-based parser for Local Internal Contextual Grammars with Context-Free choice”.
 
- 4.
- Computability in Europe
 CiE 2005, Amsterdam, The Netherlands, 06.2005:
 “Accepting Networks of Splicing Processors”.
 
- 3.
- European Conference on Artificial Intelligence Workshop on Symbolic Networks,
 ECAI 2004 W05, Valencia, Spain, 08.2004:
 “Using AHNEPs in the Recognition of Context Free Languages”.
 
- 2.
- International Conference on Machines, Computations, and Universality
 MCU 2004, Sankt Petersburg, Russia, 09.2004:
 “Solving 3CNF-SAT and HPP in Linear Time Using WWW”.
 
- 1.
- European Summer School in Logic, Language and Information Student Session
 ESSLLI 2003 Student Session, Vienna, Austria, 08.2003:
 “Contextual Grammars and Go Through Automata”.
Invitation-only workshop talks:
- 3.
- Dagstuhl Seminar on Combinatorics and Algorithmics of Strings,
 Schloß Dagstuhl, 03.2015.
 “Testing k-binomial equivalence”.
 
- 2.
- Second workshop “Representing Streams”
 Lorentz Center, Leiden, The Netherlands, 01.2014:
 “Pseudo-repetitions: combinatorics and stringology results”.
 
- 1.
- Workshop on Challenges in Combinatorics on Words,
 Fields Institute, Toronto. Canada, 04.2013.
 “Discovering hidden repetitions in words”.
Workshop talks:
- 16.
- 30. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Vienna, Austria, 09.2020:
 “On the structure of solution sets to regular word equations”.
 
- 15.
- 29. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Bremen, Germany, 09.2019:
 “Graph and String Parameters: Connections Between Pathwidth, Cutwidth and the Locality Number”.
 
- 14.
- 28. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Wittenberg, Germany, 09.2018:
 “The Satisfiability of Word Equations: Decidable and Undecidable Theories”.
 
- 13.
- 28. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Wittenberg, Germany, 09.2018:
 “On Matching Repetitive Patterns”.
 
- 12.
- 27. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Bonn, Germany, 09.2017:
 “On Matching Restricted Patterns with Variables”.
 
- 11.
- 74. Workshop über Algorithmen und Komplexität, und
 Lübeck, Germany, 11.2017:
 “Local Patterns”.
 
- 10.
- 25. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Speyer, Germany, 10.2015:
 “Longest Gapped Repeats and Palindromes”.
 
- 9.
- 67. Theorietag über Algorithmen und Komplexität
 Kiel, Germany, 05.2014:
 “Finding generalised periodicities in words”.
 
- 8.
- 24. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Potsdam, Germany, 09.2014:
 “News on the Square Conjecture”.
 
- 7.
- 68. Theorietag über Algorithmen und Komplexität
 Jena, Germany, 11.2014:
 “Pattern matching with variables: fast algorithms and new hardness results”.
 
- 6.
- 23. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Illmenau, Germany, 09.2013:
 “Discovering hidden repetitions in words”.
 
- 5.
- 22. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Prague, Czech Republic, 10.2012:
 “Finding Pseudo-Repetitions”.
 
- 4.
- 21. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Allrode im Harz, Germany, 09.2011:
 “On Periodic Partial Words”.
 
- 3.
- 21. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Allrode im Harz, Germany, 09.2011:
 “Algorithms and Pseudo-Periodicity in Words”.
 
- 2.
- 20. Theorietag der Fachgruppe “Automaten und Formale Sprachen”
 Kassel, Germany, 09.2010:
 “Algorithmic Results on Hairpin Completion and Lengthening”.
 
- 1.
- Optimal Discrete Structures and Algorithms
 ODSA 2010, Rostock, Germany, 09.2010:
 “Two ways to construct partial words, seen from a combinatorics on words perspective”.
Invited seminar talks:
- 9.
- Verification Seminar,
 Oxford University, Oxford, UK, 10.2019:
 “Matching Patterns with Variables”.
 
- 8.
- Theoretical Computer Science Seminar,
 Loughborough University, Loughborough, UK, 10.2019:
 “Rollercoasters and Caterpillars”.
 
- 7.
- Theoretical Computer Science Seminar,
 University of Bucharest, Bucharest, Romania, 09.2019:
 “Rollercoasters and Caterpillars”.
 
- 6.
- AlgoLab, Department of Computer Science,
 University of Milano-Bicocca, Milan, Italy, 04.2017:
 “Matching Patterns with Variables”.
 
- 5.
- Algorithms and Bioinformatics Group,
 King’s College, London, UK, 01.2015:
 “Finding generalised periodicities in words”.
 
- 4.
- Logics Group,
 Institute of Mathematics of the Romanian Academy, Bucharest, Romania, 06.2014:
 “Finding generalised periodicities in words”.
 
- 3.
- Computational Biomodelling Laboratory,
 Åbo Akademi, Turku, Finland, 06.2011:
 “Turing Machines Deciding According to the Shortest Computations”.
 
- 2.
- Research Group on Mathematical Linguistics - GRLMC,
 University of Tarragona, Spain, 07.2006
 “Networks of Evolutionary processors: Computability and Complexity”,
 “A Generalization of the Assignment Problem”.
 
- 1.
- Research Group on Mathematical Linguistics - GRLMC,
 University of Tarragona, Spain, 08.2004
 “Using AHNEPs in the Recognition of Context Free Languages”.