For their thirtieth year of existence, the French-speaking meetings on the topic of fuzzy logic and its applications will take place in Paris, on October 21 and 22, 2021. These meetings aim to bring together the French-speaking community on topics related to fuzzy logic and its applications, as was the case in previous editions: after a first edition in Nîmes (1992, 1993) and Lille (1994) for the Journées nationales sur les Applications des Ensembles Flous (AEF), they were organized under the name of the French-speaking meetings on fuzzy logic and its applications (LFA) in Paris (1995), Nancy (1996), Lyon (1997), Rennes (1998), Valenciennes (1999), La Rochelle (2000), Mons (2001), Montpellier (2002), Tours (2003), Nantes (2004), Barcelona (2005), Toulouse (2006), Nïmes (2007), Lens (2008), Annecy (2009), Lannion (2010), Aix-les-Bains (2011), Compiègne (2012), Reims (2013), Cargèse (2014), Poitiers (2015), La Rochelle (2016), Amiens (2017), Arras (2018), Alès (2019) and Sète (2020).

Themes of the meetings
Here is the list (not exhaustive) of the themes addressed during these meetings:
- Aggregation and fusion of information
- Decision support
- Applications
- Machine learning
- Data bases
- Classification and pattern recognition
- Fuzzy control (command, diagnosis...)
- Multi-criteria decision
- Explicability / Interpretation of information
- Belief functions
- Data mining
- Preference management
- Logic and reasoning
- Measurement and subjective evaluation
- Operations research
- Robotics and vision
- Image processing and interpretation