This year, FICS workshop (Workshop on Fixed Points in Computer Science) will take place in Naples on the 19th and 20th of February, 2024, affiliated with CSL 2024 (https://csl2024.github.io/Home/).

The goal is to bring together people from different subfields such as algebra/coalgebra, verification, logic, around the thematic of fixed points. Fixed points play a fundamental role in several areas of computer science. They are used to justify (co)recursive definitions and associated reasoning techniques. The construction and properties of fixed points have been investigated in many different settings such as: design and implementation of programming languages, logics, verification, databases.

Topics include, but are not restricted to:

• fixed points in algebra and coalgebra
• fixed points in formal languages and automata
• fixed points in game theory
• fixed points in programming language semantics
• fixed points in proofs
• fixed points in the mu-calculus and modal logics
• fixed points in process algebras and process calculi
• fixed points in functional programming and type theory
• fixed points in relation to dataflow and circuits
• fixed points in automated theorem proving, interactive theorem proving and logic programming
• fixed points in finite model theory, descriptive complexity theory, and databases
• fixed points in category theory for logic in computer science

• (NEW) Paper registration deadline (title and abstract) : Sunday 3 December (23:59 AoE);
• (NEW) Submission deadline for short and extended abstracts: Wednesday 6 December (23:59 AoE);
• Notification: 21st December 2023;
• Workshop: 19th and 20th February 2024.

Registration will be handled by CSL 2024. Online participation will be possible with reduced registration fees, but an author at least of each abstract will have to register with on-site fees.

This year, we welcome two categories of submissions, short abstracts as well as extended abstracts:

• Both types of submissions will be handled via Easychair and will be peer-reviewed by the PC.
• In order to submit a short or extended abstract to FICS, please visit the following this link: https://easychair.org/conferences/?conf=fics2024
• A proceedings volume gathering the extended abstracts will be published by EPTCS shortly after the workshop (see details below).

Here are details on each type of submission:

• short abstracts are abstracts of 3 to 5 pages, references included, describing the topic of the proposed contributed talk. They may contain (i) new completed results, (ii) work in progress or (iii) already (recently) published or submitted works. The submission can refer to a published paper or a preprint but the description given in the short abstract should be sufficiently detailed for the PC to judge the relevance of the proposed talk to the workshop program.

• extended abstracts are papers of 6 to 10 pages, references excluded, describing original results which have not been published nor are currently submitted elsewhere. The results must be presented in sufficient details to constitute a scientific publication. An appendix can provide additional details for the reviewer but will be read at the discretion of the reviewers. A volume of proceedings containing the extended abstracts will be publisehd soon after the workshop by EPTCS: the authors of extended abstracts will be asked to submit a revised version few weeks after the event, allowing them to take into account the workshop discussions. Details will be released later.

Depending on the number and quality of submissions, we will plan a subsequent special issue of a journal, as often done for previous editions of the workshop.

• Zena Ariola (University of Oregon, USA)
• Abhishek De (University of Birmingham, UK)
• Zeinab Galal (Università degli sutdi di Bologna, Italy)
• Guilhem Jaber (Université de Nantes, France)
• Ekaterina Komendantskaya (Heriot-Watt University, UK)
• Denis Kuperberg (CNRS & ENS Lyon, France)
• Martin Lange (University of Kassel, Germany)
• Christine Paulin-Mohring (Université Paris Saclay, France)
• Daniela Petrisan (Université Paris Cité, France)
• Alexis Saurin (CNRS & Université Paris Cité, France), PC Chair
• Thomas Studer (University of Bern, Switzerland)
• Tarmo Uustalu (Reykjavik University, Iceland)
• Yde Venema (University of Amsterdam, Netherland)

• Bahareh Afshari (University of Gothenburg)
• Denis Kuperberg (CNRS & ENS Lyon)
• Ralph Matthes (IRIT, CNRS & Université de Toulouse), chair of the steering committee
• Damian Niwinski (University of Warsaw)
• Luigi Santocanale (LIS, Université Aix-Marseille)
• Alexis Saurin (IRIF, CNRS, Université Paris Cité & INRIA Picube)
• Tarmo Uustalu (Reykjavik University)
• Igor Walukiewicz (LaBRI, Bordeaux)

Alexis Saurin, alexis.saurin@irif.fr

https://www.irif.fr/users/saurin/index